September weather forecast
Selfville, AL

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Weather in September

The first month of the autumn, September, is still a warm month in Selfville, Alabama, with an average temperature varying between 64°F (17.8°C) and 83.5°F (28.6°C).

Temperature

Selfville experiences an average high-temperature of a moderately hot 83.5°F (28.6°C) with the onset of September, subtly varied from August's 88.3°F (31.3°C). An average low-temperature of 64°F (17.8°C) marks the nights throughout September.

Heat index

For most parts of September, the heat index is estimated at a tropical 91.4°F (33°C). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', arises from combining readings of air temperature and relative moisture content. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.

Humidity

In September, the average relative humidity is 75%.

Rainfall

In Selfville, in September, it is raining for 14.6 days, with typically 2.64" (67mm) of accumulated precipitation. In Selfville, during the entire year, the rain falls for 179.3 days and collects up to 43.15" (1096mm) of precipitation.

Snowfall

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

Daylight

In Selfville, the average length of the day in September is 12h and 22min.
On the first day of September, sunrise is at 6:20 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:31 pm CDT.

Sunshine

The average sunshine in September is 8.6h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 5 in September translates into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. It's recommended to limit sun exposure when its radiation is at its peak during midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during September?

In September, in Selfville, the average high-temperature is 83.5°F (28.6°C), and the average low-temperature is 64°F (17.8°C). In September, the average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, is estimated at 91.4°F (33°C).

What is the average humidity in September?

In Selfville, the average relative humidity in September is 75%.

How many days does it rain in September?

In September, the rain falls for 14.6 days. Throughout September, 2.64" (67mm) of precipitation is accumulated.

When it does not snow?

April through October are months without snowfall.

How many hours of daylight does Selfville have in September?

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

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:20 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:31 pm CDT.

How long on average sun shines in September?

The average sunshine duration in September is 8.6h.

How high is the UV index in September?

In Selfville, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents 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
Selfville, AL

Average temperature in September - Selfville, AL
  • Average high temperature in September: 83.5°F

The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (49.8°F).

  • Average low temperature in September: 64°F

The months with the highest average low temperature are July and August (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).

Average pressure in September
Selfville, AL

Average pressure in September - Selfville, AL
  • Average pressure in September: 30.01"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
Selfville, AL

Average wind speed in September - Selfville, AL
  • Average wind speed in September: 4.8mph

The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).

Average humidity in September
Selfville, AL

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

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).

Average rainfall in September
Selfville, AL

Average rainfall in September - Selfville, AL
  • Average rainfall in September: 2.64"

The wettest month (with the highest rainfall) is August (4.41").
The driest month (with the least rainfall) is October (2.36").

Average rainfall days in September
Selfville, AL

Average rainfall days in September - Selfville, AL
  • Average rainfall days in September: 14.6 days

The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is November (9.5 days).

Average snowfall in September
Selfville, AL

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

The month with the highest snowfall is January (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Selfville, AL

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

The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Selfville, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in September
Selfville, AL

Average sunshine days in September - Selfville, AL
  • Average sunshine days in September: 13.5 days

The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is July (6.9 days).

Average UV index in September
Selfville, AL

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

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

Average cloud cover in September
Selfville, AL

Average cloud cover in September - Selfville, AL
  • Average cloud cover in September: 31

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 31).

Average visibility in September
Selfville, AL

Average visibility in September - Selfville, 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).

Selfville, Alabama, USA

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