September weather forecast
Grandin, FL

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Weather in September

The first month of the autumn, September, is also a hot month in Grandin, Florida, with an average temperature ranging between min 72.3°F (22.4°C) and max 88.2°F (31.2°C).

Temperature

The arrival of September marks a slight shift to an average high-temperature of a still tropical 88.2°F (31.2°C) from August's 90.9°F (32.7°C). Grandin, in September, experiences an average temperature of 72.3°F (22.4°C) at night.

Heat index

During September, the heat index is evaluated at a blistering 105.8°F (41°C). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', marries air temperature and humidity to produce a value illustrating perceived warmth. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

The months with the highest humidity are August and September, with an average relative humidity of 78%.

Rainfall

In September, the rain falls for 21.7 days. Throughout September, 3.15" (80mm) of precipitation is accumulated. In Grandin, during the entire year, the rain falls for 188.6 days and collects up to 33.5" (851mm) of precipitation.

Snowfall

In Grandin, snow does not fall in January through November.

Daylight

In September, the average length of the day in Grandin is 12h and 20min.
On the first day of September in Grandin, sunrise is at 7:05 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:14 pm EDT.

Sunshine

In September, the average sunshine is 8.5h.

UV index

The average daily maximum UV index in September in Grandin is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, the UV index of 6 transforms into the following advice:
Prevent overexposure. Protection from the sun's harmful effects is needed. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Opt for tightly woven and loose clothing to enhance protection from the Sun.
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Frequently asked questions

Is it hot in Grandin during September?

The average high-temperature, in September, in Grandin, is 88.2°F (31.2°C), while the average low-temperature is 72.3°F (22.4°C). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is evaluated at 105.8°F (41°C).

What is the most humid month in Grandin?

August and September, with an average relative humidity of 78%, are most humid months in Grandin.

What is the average humidity in September in Grandin?

In September, the average relative humidity in Grandin is 78%.

How much does it rain in Grandin in September?

In Grandin, in September, during 21.7 rainfall days, 3.15" (80mm) of precipitation is typically accumulated.

When it does not snow in Grandin?

January through November are months without snowfall in Grandin, Florida.

How many hours of daylight does Grandin have in September?

In September, the average day length in Grandin is 12h and 20min.

When are sunrise and sunset in September in Grandin?

In September, on the first day of the month, sunrise is at 7:05 am and sunset at 7:49 pm. On the last day of the month, in Grandin, sunrise is at 7:20 am and sunset at 7:14 pm EDT.

How many hours of sunshine does Grandin have in September?

In September, the average sunshine duration in Grandin, Florida, is 8.5h.

What is the UV index intensity in September in Grandin?

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Grandin, FL

Average temperature in September - Grandin, FL
  • Average high temperature in September: 88.2°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (64.2°F).

  • Average low temperature in September: 72.3°F

The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (46.6°F).

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Average pressure in September
Grandin, FL

Average pressure in September - Grandin, FL
  • Average pressure in September: 29.97"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).

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Average wind speed in September
Grandin, FL

Average wind speed in September - Grandin, FL
  • Average wind speed in September: 4.8mph

The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).

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Average humidity in September
Grandin, FL

Average humidity in September - Grandin, FL
  • Average humidity in September: 78%

The months with the highest relative humidity are August and September (78%).
The month with the lowest relative humidity is March (71%).

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Average rainfall in September
Grandin, FL

Average rainfall in September - Grandin, FL
  • Average rainfall in September: 3.15"

The wettest month (with the highest rainfall) is July (5.31").
The driest months (with the least rainfall) are January and November (1.5").

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Average rainfall days in September
Grandin, FL

Average rainfall days in September - Grandin, FL
  • Average rainfall days in September: 21.7 days

The month with the highest number of rainy days is August (25.9 days).
The month with the least rainy days is November (9 days).

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Average snowfall days in September
Grandin, FL

Average snowfall days in September - Grandin, FL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, 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
Grandin, FL

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

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).

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Average sunshine days in September
Grandin, FL

Average sunshine days in September - Grandin, FL
  • Average sunshine days in September: 6.9 days

The month with the most sunshine days is January (19.9 days).
The month with the least sunshine days is July (3.6 days).

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Average UV index in September
Grandin, FL

Average UV index in September - Grandin, 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 4).

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Average cloud cover in September
Grandin, FL

Average cloud cover in September - Grandin, FL
  • Average cloud cover in September: 34

The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are May and October (Cloud cover 31).

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Average visibility in September
Grandin, FL

Average visibility in September - Grandin, FL
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is December (5mi).

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Grandin, Florida, USA

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