September weather forecast and climate
Belltown, AL

The first month of the autumn, September, is still a warm month in Belltown, Alabama, with temperature in the range of an average low of 63.3°F (17.4°C) and an average high of 82.9°F (28.3°C).

Temperature

In September, the average high-temperature is relatively the same as in August - a warm 82.9°F (28.3°C). In September, the average low-temperature is 63.3°F (17.4°C).

Heat index

In September, the average heat index is estimated at a hot 90°F (32.2°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'felt air temperature', 'real feel', or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like pregnancy, metabolic differences, differences in body mass, height, and shape, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In September, the average relative humidity in Belltown, Alabama, is 76%.

Rainfall

In Belltown, in September, during 13.8 rainfall days, 3.15" (80mm) of precipitation is typically accumulated. Throughout the year, there are 186.4 rainfall days, and 42.36" (1076mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Belltown, Alabama.

Daylight

In Belltown, Alabama, the average length of the day is 12.4h.

Sunshine

The average sunshine in Belltown, Alabama, is 8.3h.

UV index

In Belltown, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Belltown?

In September, in Belltown, Alabama, the average high-temperature is 82.9°F (28.3°C), and the average low-temperature is 63.3°F (17.4°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), that combines air temperature and relative humidity, in September is evaluated at 90°F (32.2°C).

What is the average humidity in September in Belltown?

In September, the average relative humidity in Belltown is 76%.

How much does it rain in Belltown in September?

In Belltown, in September, during 13.8 rainfall days, 3.15" (80mm) of precipitation is typically accumulated.

When it does not snow in Belltown?

In Belltown, Alabama, snow does not fall in April through October.

How many hours of daylight does Belltown have in September?

In Belltown, the average length of the day in September is 12.4h.

How many hours of sunshine does Belltown have in September?

In Belltown, Alabama, the average sunshine in September is 8.3h.

What is the UV index reading in September in Belltown?

In September, the average daily maximum UV index in Belltown is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in September - Belltown, AL
  • Average high temperature in September: 82.9°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (50.4°F).

  • Average low temperature in September: 63.3°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).

Average pressure in September - Belltown, AL
  • Average pressure in September: 30.02"

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

Average wind speed in September - Belltown, AL
  • Average wind speed in September: 4.7mph

The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in September - Belltown, AL
  • Average humidity in September: 76%

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

Average rainfall in September - Belltown, AL
  • Average rainfall in September: 3.15"

The wettest month (with the highest rainfall) is August (4.45").
The driest month (with the least rainfall) is October (2.17").

Average rainfall days in September - Belltown, AL
  • Average rainfall days in September: 13.8 days

The month with the highest number of rainy days is July (23.1 days).
The month with the least rainy days is November (9.5 days).

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

The month with the highest snowfall is January (0.94").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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

The month with the highest number of snowfall days is January (1.7 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September / Average sunshine in September - Belltown, AL
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in September: 8.3h

The month with the most sunshine is June (Average sunshine: 10.5h).
Months with the least sunshine are February and December (Average sunshine: 4.9).

Average sunshine days in September - Belltown, AL
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is July (6.8 days).

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

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 - Belltown, AL
  • Average cloud cover in September: 33

Months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 31).

Average visibility in September - Belltown, AL
  • Average visibility in September: 5mi

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