September weather forecast
Douglas, AL

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Douglas, Alabama, with an average temperature fluctuating between 63°F (17.2°C) and 82.4°F (28°C).

Temperature

September's arrival shows an average high-temperature of a moderately hot 82.4°F (28°C), hardly different from the previous month. Throughout September, Douglas encounters an average temperature drop to a refreshing 63°F (17.2°C).

Heat index

The heat index in September is appraised at a tropical 87.8°F (31°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.
In the scope of the heat index, its values resonate with shade and light wind conditions. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', takes into account both air temperature and humidity to illustrate what people actually feel. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.

Humidity

In September, the average relative humidity is 75%.

Rainfall

In Douglas, in September, during 15 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. In Douglas, during the entire year, the rain falls for 179.7 days and collects up to 41.89" (1064mm) of precipitation.

Snowfall

In Douglas, snow does not fall in April through October.

Daylight

In September, the average length of the day in Douglas is 12h and 22min.
On the first day of the month, sunrise is at 6:19 am and sunset at 7:10 pm. On the last day of September, sunrise is at 6:39 am and sunset at 6:30 pm CDT.

Sunshine

The average sunshine in September is 8.7h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index, 5 during September, leads to the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in September?

In September, the average high-temperature and low-temperature are 82.4°F (28°C) and 63°F (17.2°C) respectively. In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 87.8°F (31°C).

What is the average humidity in September?

The average relative humidity in September is 75%.

How many days does it rain in September?

In Douglas, in September, during 15 rainfall days, 2.56" (65mm) of precipitation is typically accumulated.

When it does not snow?

April through October are months without snowfall.

What is the average length of the day in September?

In Douglas, the average day length in September is 12h and 22min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:19 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:30 pm CDT.

How long on average sun shines in September?

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

What is the UV index intensity in September?

In Douglas, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
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
Douglas, AL

Average temperature in September - Douglas, AL
  • Average high temperature in September: 82.4°F

The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (48.6°F).

  • Average low temperature in September: 63°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).

Average pressure in September
Douglas, AL

Average pressure in September - Douglas, AL
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in September
Douglas, AL

Average wind speed in September - Douglas, AL
  • Average wind speed in September: 4.9mph

The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in September
Douglas, AL

Average humidity in September - Douglas, AL
  • Average humidity in September: 75%

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (74%).

Average rainfall in September
Douglas, AL

Average rainfall in September - Douglas, AL
  • Average rainfall in September: 2.56"

The wettest month (with the highest rainfall) is December (4.45").
The driest month (with the least rainfall) is October (2.48").

Average rainfall days in September
Douglas, AL

Average rainfall days in September - Douglas, AL
  • Average rainfall days in September: 15 days

The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is November (10.3 days).

Average snowfall in September
Douglas, AL

Average snowfall in September - Douglas, AL
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Douglas, AL

Average snowfall days in September - Douglas, AL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Douglas, AL

Average daylight in September / Average sunshine in September - Douglas, AL
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in September
Douglas, AL

Average sunshine days in September - Douglas, AL
  • Average sunshine days in September: 12.9 days

The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (8.6 days).

Average UV index in September
Douglas, AL

Average UV index in September - Douglas, AL
  • Average UV index in September: 5

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in September
Douglas, AL

Average cloud cover in September - Douglas, AL
  • Average cloud cover in September: 30

The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and September (Cloud cover 30).

Average visibility in September
Douglas, AL

Average visibility in September - Douglas, AL
  • 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).

Douglas, Alabama, USA

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