September weather forecastAllison Mills, AL
September
Weather in September
September, the first month of the autumn in Allison Mills, is still a warm month, with an average temperature varying between 84.6°F (29.2°C) and 64°F (17.8°C).Temperature
The unfolding of September shows an average high-temperature of a warm 84.6°F (29.2°C), indicating a slight variance from August's 89.1°F (31.7°C). Allison Mills experiences a consistent average temperature of 64°F (17.8°C) throughout the nights in September.Heat index
In September, the heat index is estimated at a hot 93.2°F (34°C). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.For clarity, heat index numbers account for light winds and areas under shade. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for 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 Allison Mills, the average relative humidity in September is 74%.Rainfall
In Allison Mills, in September, during 14 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. In Allison Mills, during the entire year, the rain falls for 176.1 days and collects up to 38.11" (968mm) of precipitation.Snowfall
In Allison Mills, snow does not fall in March through November.Daylight
In Allison Mills, the average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:19 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 6:29 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 estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 5 in September leads to these recommendations:
Adopt protective measures - It is advised to guard against sun damage. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Allison Mills, AL
- Average high temperature in September: 84.6°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (50.9°F).
- Average low temperature in September: 64°F
The month with the highest average low temperature is August (69.8°F).
The coldest month (with the lowest average low temperature) is January (35.1°F).
Average pressure in September
Allison Mills, 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
Allison Mills, AL
- Average wind speed in September: 4.6mph
The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).
Average humidity in September
Allison Mills, 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
Allison Mills, AL
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is August (3.78").
The driest month (with the least rainfall) is October (2.13").
Average rainfall days in September
Allison Mills, AL
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is July (21.5 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in September
Allison Mills, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.87").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Allison Mills, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.4 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
Allison Mills, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Allison Mills, AL
- Average sunshine days in September: 13.3 days
The months with the most sunshine days are October and November (19.5 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in September
Allison Mills, 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 January (UV index 2).
Average cloud cover in September
Allison Mills, AL
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June, September and October (Cloud cover 31).
Average visibility in September
Allison Mills, 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).
