September weather forecastAcmar, AL
September
Weather in September
The first month of the autumn, September, is still a warm month in Acmar, Alabama, with temperature in the range of an average low of 64.6°F (18.1°C) and an average high of 84.6°F (29.2°C).Temperature
The average high-temperature during September registers at a warm 84.6°F (29.2°C), maintaining a close resemblance to the previous month. Acmar's nights in September cool down to an average low-temperature of 64.6°F (18.1°C).Heat index
For September, the heat index is evaluated at a hot 93.2°F (34°C). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.Always consider that heat index estimations are for light winds and places in the shade. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', gives a temperature feeling by integrating air temperature and humidity. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humidity
The average relative humidity in September is 74%.Rainfall
In Acmar, in September, during 12.4 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. Throughout the year, there are 149.3 rainfall days, and 20.04" (509mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day 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
In September, the average sunshine is 8.6h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 5 suggests these recommendations:
Take precautions - Protection against skin and eye damage is obliged. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Acmar, AL
- Average high temperature in September: 84.6°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (50.7°F).
- Average low temperature in September: 64.6°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (34.9°F).
Average pressure in September
Acmar, 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
Acmar, AL
- Average wind speed in September: 4.9mph
The windiest months (with the highest average wind speed) are January and February (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).
Average humidity in September
Acmar, AL
- Average humidity in September: 74%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Acmar, AL
- Average rainfall in September: 1.3"
The wettest month (with the highest rainfall) is August (2.24").
The driest month (with the least rainfall) is October (1.06").
Average rainfall days in September
Acmar, AL
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is November (7.9 days).
Average snowfall in September
Acmar, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Acmar, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Acmar, AL
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 36min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in September
Acmar, AL
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (9.6 days).
Average UV index in September
Acmar, 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
Acmar, AL
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Acmar, 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).





