Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September's arrival brings an average high-temperature of a moderately hot 84.9°F (29.4°C), slightly deviating from August's 90°F (32.2°C). In the month of September, Wilsonville records a consistent average low-temperature of 65.7°F (18.7°C).Heat index
The heat index for September is computed to be a hot 93.2°F (34°C). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.Heat index details are generally centered around shaded locations and a mild breeze. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Humidity
In September, the average relative humidity in Wilsonville is 73%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.3 days and typically collects 2.05" (52mm) of precipitation.Snowfall
In Wilsonville, Alabama, snow does not fall in April through October.Daylight
In Wilsonville, the average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 6:20 am and sunset at 7:10 pm. On the last day of September, sunrise is at 6:39 am and sunset at 6:31 pm CDT.
Sunshine
In Wilsonville, Alabama, the average sunshine in September is 8.8h.UV index
In Wilsonville, Alabama, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
How hot is it in Wilsonville in September?
What is the average humidity in September in Wilsonville?
What is the driest month in Wilsonville?
How much does it rain in Wilsonville in September?
When it does not snow in Wilsonville?
What is the average length of the day in September in Wilsonville?
When is the sunrise / sunset in September in Wilsonville?
How long on average sun shines in September in Wilsonville?
What is the UV index intensity in September in Wilsonville?
Average temperature in September
Wilsonville, AL
- Average high temperature in September: 84.9°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 (51.4°F).
- Average low temperature in September: 65.7°F
The months with the highest average low temperature are July and August (70.5°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in September
Wilsonville, AL
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in September
Wilsonville, AL
- Average wind speed in September: 4.8mph
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 (4.3mph).
Average humidity in September
Wilsonville, AL
- Average humidity in September: 73%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Wilsonville, AL
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is April (4.06").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in September
Wilsonville, AL
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is July (21.2 days).
The month with the least rainy days is November (7.9 days).
Average snowfall in September
Wilsonville, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Wilsonville, AL
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and 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
Wilsonville, AL
- Average daylight in September: 12h and 2min
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 5min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in September
Wilsonville, AL
- Average sunshine days in September: 14.6 days
The months with the most sunshine days are October and November (20.4 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in September
Wilsonville, AL
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Wilsonville, AL
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are September and October (Cloud cover 30).
Average visibility in September
Wilsonville, 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).
Wilsonville, Alabama, USA
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