September weather forecastRedgranite, WI
September
Weather in September
September, the first month of the autumn in Redgranite, is also an agreeable month, with an average temperature varying between 51.6°F (10.9°C) and 69.6°F (20.9°C).Temperature
The advent of September brings a subtle shift in temperature, with the average high moving from a moderately hot 77.2°F (25.1°C) in August to a pleasant 69.6°F (20.9°C). Throughout September, Redgranite encounters an average temperature drop to a cool 51.6°F (10.9°C).Humidity
The average relative humidity in September is 80%.Rainfall
In Redgranite, in September, it is raining for 12 days, with typically 2.01" (51mm) of accumulated precipitation. Throughout the year, there are 131 rainfall days, and 26.42" (671mm) of precipitation is accumulated.Snowfall
In Redgranite, snow does not fall in June through September.Daylight
In September, the average length of the day in Redgranite is 12h and 30min.On the first day of September in Redgranite, sunrise is at 6:20 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:38 pm CDT.
Sunshine
The average sunshine in September in Redgranite is 8.6h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In September, an average UV index of 3 transforms into the following instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Redgranite, WI
- Average high temperature in September: 69.6°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (21.7°F).
- Average low temperature in September: 51.6°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (10.4°F).
Average pressure in September
Redgranite, WI
- Average pressure in September: 30.02"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Redgranite, WI
- Average wind speed in September: 7.7mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in September
Redgranite, WI
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Redgranite, WI
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is May (3.43").
The driest months (with the least rainfall) are January and February (1.22").
Average rainfall days in September
Redgranite, WI
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is February (4 days).
Average snowfall in September
Redgranite, WI
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Redgranite, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Redgranite, WI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Redgranite, WI
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is November (16.6 days).
The months with the least sunshine days are April and June (11.9 days).
Average UV index in September
Redgranite, WI
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Redgranite, WI
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Redgranite, WI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
