September weather forecastClayborn, AL
September
Weather in September
The first month of the autumn, September, is still a warm month in Clayborn, Alabama, with an average temperature varying between 82.4°F (28°C) and 63°F (17.2°C).Temperature
The arrival of September marks a slight shift to an average high-temperature of a warm 82.4°F (28°C) from August's 87.4°F (30.8°C). September brings an average low-temperature of 63°F (17.2°C) to Clayborn.Heat index
The heat index in September is appraised at a hot 87.8°F (31°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.Understanding the heat index involves considering values for shaded locales with light wind. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'feels like' or 'felt air temperature', combines both the air temperature and the humidity level to give a perceived human temperature. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Humidity
In Clayborn, the average relative humidity in September is 75%.Rainfall
In September, the rain falls for 15 days. Throughout September, 2.56" (65mm) of precipitation is accumulated. Throughout the year, there are 179.7 rainfall days, and 41.89" (1064mm) of precipitation is accumulated.Snowfall
In Clayborn, snow does not fall in April through October.Daylight
In Clayborn, Alabama, the average length of the day in September 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
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 radiation for the average person.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Ensure safety - Recommendations to avert sunburn are presented. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Clayborn, 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
Clayborn, 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
Clayborn, 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
Clayborn, 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
Clayborn, 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
Clayborn, 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
Clayborn, 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
Clayborn, 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
Clayborn, AL
- Average daylight in September: 12h and 24min
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 42min
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
Clayborn, 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
Clayborn, 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
Clayborn, 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
Clayborn, 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).





