September weather forecastSayner, WI
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Sayner, Wisconsin, with an average temperature ranging between min 48.6°F (9.2°C) and max 66.9°F (19.4°C).Temperature
September signals a slight drop in average high-temperature, sliding from August's warm 74.7°F (23.7°C) to an enjoyable 66.9°F (19.4°C). Sayner's nighttime temperature in September drops to an average of 48.6°F (9.2°C).Humidity
In September, the average relative humidity is 80%.Rainfall
In Sayner, in September, it is raining for 14.2 days, with typically 1.69" (43mm) of accumulated precipitation. Throughout the year, there are 128.5 rainfall days, and 24.76" (629mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 32min.On the first day of September, sunrise is at 6:19 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:39 pm CDT.
Sunshine
The average sunshine in September is 7.9h.UV index
In Sayner, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In September, an average UV index of 3 transforms into the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sayner, WI
- Average high temperature in September: 66.9°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (18.5°F).
- Average low temperature in September: 48.6°F
The month with the highest average low temperature is July (56.3°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).
Average pressure in September
Sayner, WI
- Average pressure in September: 30.01"Hg
The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Sayner, WI
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is November (8.7mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in September
Sayner, WI
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Sayner, WI
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (1.38").
Average rainfall days in September
Sayner, WI
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in September
Sayner, WI
- Average snowfall in September: 0"
The month with the highest snowfall is December (11.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Sayner, WI
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (26.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Sayner, WI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
Average sunshine days in September
Sayner, WI
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is September (13.4 days).
The month with the least sunshine days is January (5 days).
Average UV index in September
Sayner, WI
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, March, November and December (UV index 1).
Average cloud cover in September
Sayner, WI
- Average cloud cover in September: 44
The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in September
Sayner, WI
- Average visibility in September: 5mi
The months with the highest visibility are May, June and July (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
