September weather forecast
Cluster Springs, FL

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Weather in September

The first month of the autumn, September, is still a tropical month in Cluster Springs, Florida, with temperature in the range of an average low of 71.2°F (21.8°C) and an average high of 87.4°F (30.8°C).

Temperature

Cluster Springs experiences an average high-temperature of a still hot 87.4°F (30.8°C) with the onset of September, subtly varied from August's 90.5°F (32.5°C). Cluster Springs, during the month of September, experiences an average low-temperature of 71.2°F (21.8°C).

Heat index

The heat index value for September is estimated at a sweltering 100.4°F (38°C). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
Heat index determinations are made taking into account the shade and light air movements. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

In Cluster Springs, the average relative humidity in September is 74%.

Rainfall

In September, the rain falls for 15.5 days. Throughout September, 1.22" (31mm) of precipitation is accumulated. Throughout the year, there are 145 rainfall days, and 17.91" (455mm) of precipitation is accumulated.

Snowfall

February through December are months without snowfall.

Daylight

In Cluster Springs, the average length of the day in September is 12h and 20min.
On the first day of September in Cluster Springs, sunrise is at 6:21 am and sunset at 7:07 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 6:30 pm CDT.

Sunshine

The average sunshine in September in Cluster Springs is 9.2h.

UV index

The average daily maximum UV index in September in Cluster Springs is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum daily UV index of 6 during September morphs into the following directions:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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Frequently asked questions

How hot does it get in Cluster Springs in September?

The high-temperature, in September, in Cluster Springs, is 87.4°F (30.8°C), while the low-temperature averages to 71.2°F (21.8°C). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is estimated at 100.4°F (38°C).

What is the average humidity in September in Cluster Springs?

In September, the average relative humidity in Cluster Springs, Florida, is 74%.

How much does it rain in Cluster Springs in September?

In September, the rain falls for 15.5 days. Throughout September, 1.22" (31mm) of precipitation is accumulated.

When it does not snow in Cluster Springs?

February through December are months without snowfall in Cluster Springs.

What is the average length of the day in September in Cluster Springs?

The average day length in September in Cluster Springs, Florida, is 12h and 20min.

What time are sunrise and sunset in September in Cluster Springs?

On the first day of September in Cluster Springs, Florida, sunrise is at 6:21 am and sunset at 7:07 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 6:30 pm CDT.

How long on average sun shines in September in Cluster Springs?

The average sunshine duration in September is 9.2h.

How high is the UV index in September in Cluster Springs?

The average daily maximum UV index in September in Cluster Springs, Florida, is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Cluster Springs, FL

Average temperature in September - Cluster Springs, FL
  • Average high temperature in September: 87.4°F

The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (59.4°F).

  • Average low temperature in September: 71.2°F

The month with the highest average low temperature is August (75.6°F).
The coldest month (with the lowest average low temperature) is January (43.3°F).

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Average pressure in September
Cluster Springs, FL

Average pressure in September - Cluster Springs, FL
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).

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Average wind speed in September
Cluster Springs, FL

Average wind speed in September - Cluster Springs, FL
  • Average wind speed in September: 5.1mph

The windiest months (with the highest average wind speed) are January, February and March (7mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in September
Cluster Springs, FL

Average humidity in September - Cluster Springs, FL
  • Average humidity in September: 74%

The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are May and October (70%).

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Average rainfall in September
Cluster Springs, FL

Average rainfall in September - Cluster Springs, FL
  • Average rainfall in September: 1.22"

The wettest month (with the highest rainfall) is August (2.95").
The driest months (with the least rainfall) are January and November (0.83").

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Average rainfall days in September
Cluster Springs, FL

Average rainfall days in September - Cluster Springs, FL
  • Average rainfall days in September: 15.5 days

The month with the highest number of rainy days is August (21.3 days).
The month with the least rainy days is November (6.8 days).

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Average snowfall in September
Cluster Springs, FL

Average snowfall in September - Cluster Springs, FL
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in September
Cluster Springs, FL

Average snowfall days in September - Cluster Springs, FL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in September /
Average sunshine in September
Cluster Springs, FL

Average daylight in September / Average sunshine in September - Cluster Springs, FL
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is June (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 5h and 24min).

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Average sunshine days in September
Cluster Springs, FL

Average sunshine days in September - Cluster Springs, FL
  • Average sunshine days in September: 11.7 days

The month with the most sunshine days is November (21.8 days).
The months with the least sunshine days are July and August (6.3 days).

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Average UV index in September
Cluster Springs, FL

Average UV index in September - Cluster Springs, FL
  • Average UV index in September: 6

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

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Average cloud cover in September
Cluster Springs, FL

Average cloud cover in September - Cluster Springs, FL
  • Average cloud cover in September: 26

The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 24).

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Average visibility in September
Cluster Springs, FL

Average visibility in September - Cluster Springs, FL
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Cluster Springs, Florida, USA

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