September weather forecast
Alturas, FL

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Weather in September

The first month of the autumn, September, is also a hot month in Alturas, Florida, with temperature in the range of an average low of 73.6°F (23.1°C) and an average high of 88°F (31.1°C).

Temperature

Alturas starts September with an average high-temperature of a still hot 88°F (31.1°C), a minor shift from August's 90°F (32.2°C). September witnesses an average nighttime temperature of 73.6°F (23.1°C) in Alturas.

Heat index

In September, the average heat index is estimated at a scorching 105.8°F (41°C). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.
Heat index specifics point out values are for conditions of shade and a slight breeze. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', measures the perceived warmth when incorporating the humidity present in the air. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.

Humidity

The most humid month is September, with an average relative humidity of 80%.

Rainfall

In Alturas, during September, the rain falls for 20.2 days and regularly aggregates up to 1.85" (47mm) of precipitation. In Alturas, during the entire year, the rain falls for 166.5 days and collects up to 19.09" (485mm) of precipitation.

Daylight

In Alturas, the average length of the day in September is 12h and 19min.
On the first day of September in Alturas, sunrise is at 7:05 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:13 pm EDT.

Sunshine

In Alturas, the average sunshine in September is 8.7h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily maximum UV index of 7 in September translates into the following instructions:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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Frequently asked questions

How hot is it in Alturas in September?

During September, Alturas experiences an average high-temperature of 88°F (31.1°C) and a low-temperature of 73.6°F (23.1°C). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 105.8°F (41°C).

What is the most humid month in Alturas?

The most humid month in Alturas is September, with an average relative humidity of 80%.

What is the average humidity in September in Alturas?

The average relative humidity in September in Alturas, Florida, is 80%.

How many days does it rain in September in Alturas?

In Alturas, in September, it is raining for 20.2 days, with typically 1.85" (47mm) of accumulated precipitation.

How many hours of daylight does Alturas have in September?

In Alturas, the average day length in September is 12h and 19min.

When is the sunrise / sunset in September in Alturas?

On the first day of September in Alturas, Florida, sunrise is at 7:05 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:13 pm EDT.

How long on average sun shines in September in Alturas?

In September, the average sunshine duration in Alturas, Florida, is 8.7h.

What are the months with the highest UV index in Alturas?

The months with the highest UV index in Alturas are May through September, with an average maximum UV index of 7.

What is the UV index intensity in September in Alturas?

In September, the average daily maximum UV index in Alturas, Florida, is 7. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Alturas, FL

Average temperature in September - Alturas, FL
  • Average high temperature in September: 88°F

The warmest months (with the highest average high temperature) are July and August (90°F).
The month with the lowest average high temperature is January (69.3°F).

  • Average low temperature in September: 73.6°F

The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (51.8°F).

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Average pressure in September
Alturas, FL

Average pressure in September - Alturas, FL
  • Average pressure in September: 29.96"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).

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Average wind speed in September
Alturas, FL

Average wind speed in September - Alturas, FL
  • Average wind speed in September: 5.2mph

The windiest months (with the highest average wind speed) are January, March and April (6.8mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).

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Average humidity in September
Alturas, FL

Average humidity in September - Alturas, FL
  • Average humidity in September: 80%

The month with the highest relative humidity is September (80%).
The month with the lowest relative humidity is March (71%).

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Average rainfall in September
Alturas, FL

Average rainfall in September - Alturas, FL
  • Average rainfall in September: 1.85"

The wettest month (with the highest rainfall) is August (3.7").
The driest month (with the least rainfall) is March (0.47").

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Average rainfall days in September
Alturas, FL

Average rainfall days in September - Alturas, FL
  • Average rainfall days in September: 20.2 days

The month with the highest number of rainy days is July (24.3 days).
The month with the least rainy days is January (7.4 days).

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Average daylight in September /
Average sunshine in September
Alturas, FL

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

The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).

  • Average sunshine in September: 8h and 4min

The months with the most sunshine are May and July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).

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Average sunshine days in September
Alturas, FL

Average sunshine days in September - Alturas, FL
  • Average sunshine days in September: 6.7 days

The month with the most sunshine days is January (21.9 days).
The months with the least sunshine days are July and August (4.8 days).

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Average UV index in September
Alturas, FL

Average UV index in September - Alturas, FL
  • Average UV index in September: 7

The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).

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Average cloud cover in September
Alturas, FL

Average cloud cover in September - Alturas, FL
  • Average cloud cover in September: 33

The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is May (Cloud cover 29).

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Average visibility in September
Alturas, FL

Average visibility in September - Alturas, 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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Alturas, Florida, USA

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