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 onset introduces a mild reduction in the average high-temperature, from a moderately hot 78.1°F (25.6°C) in August to an agreeable 71.8°F (22.1°C). An average low-temperature of 54.3°F (12.4°C) is expected during September.Humidity
In Alabama, the average relative humidity in September is 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.6 days and typically collects 1.5" (38mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:38 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:56 pm EDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 in September interprets into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September in Alabama?
When it does not snow?
Does it snow in September?
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
Alabama, NY
- Average high temperature in September: 71.8°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in September: 54.3°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in September
Alabama, NY
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Alabama, NY
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in September
Alabama, NY
- Average humidity in September: 77%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is May (76%).
Average rainfall in September
Alabama, NY
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in September
Alabama, NY
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (6.5 days).
Average snowfall in September
Alabama, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (9.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Alabama, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Alabama, NY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 2h and 18min).
Average sunshine days in September
Alabama, NY
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is September (14.4 days).
The months with the least sunshine days are January and February (6.5 days).
Average UV index in September
Alabama, NY
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Alabama, NY
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Alabama, NY
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (4mi).
Alabama, New York, USA
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