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
The arrival of September sees a recorded average high-temperature of a warm 84°F (28.9°C), showing little divergence from the previous month's conditions. In September, Vinnette records an average nighttime temperature of 64°F (17.8°C).Heat index
The heat index value during September is calculated to be a hot 91.4°F (33°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.Consider that heat index readings are for situations in the shade and light wind. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Humidity
The average relative humidity in September is 75%.Rainfall
In Vinnette, in September, during 12.2 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. Throughout the year, there are 171.1 rainfall days, and 37.05" (941mm) of precipitation is accumulated.Snowfall
In Vinnette, snow does not fall in April through November.Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 6:18 am and sunset at 7:08 pm. On the last day of September, sunrise is at 6:37 am and sunset at 6:28 pm CDT.
Sunshine
The average sunshine in September is 8.6h.UV index
In Vinnette, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Vinnette, AL
- Average high temperature in September: 84°F
The warmest month (with the highest average high temperature) is July (89.2°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 July (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.7°F).
Average pressure in September
Vinnette, 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
Vinnette, AL
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in September
Vinnette, AL
- Average humidity in September: 75%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Vinnette, AL
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is October (1.81").
Average rainfall days in September
Vinnette, AL
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is July (21.8 days).
The month with the least rainy days is November (8 days).
Average snowfall in September
Vinnette, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.79").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Vinnette, 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 April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Vinnette, AL
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 4min
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 54min).
Average sunshine days in September
Vinnette, AL
- Average sunshine days in September: 16 days
The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is July (7.4 days).
Average UV index in September
Vinnette, 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, February, November and December (UV index 3).
Average cloud cover in September
Vinnette, 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
Vinnette, AL
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Vinnette, Alabama, USA
Weather forecast for your location
2. Allow the app to use your location