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
In September, the average high-temperature marginally drops from a warm 76.8°F (24.9°C) in August to an agreeable 70.5°F (21.4°C). In September, Gilmanton's temperature tends to fall to an average low of 50.9°F (10.5°C) during the night.Humidity
In September, the average relative humidity in Gilmanton, Wisconsin, is 80%.Rainfall
In Gilmanton, in September, during 12.1 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. Throughout the year, in Gilmanton, there are 135.6 rainfall days, and 26.57" (675mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Gilmanton.Daylight
The average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 6:30 am and sunset at 7:42 pm. On the last day of September, sunrise is at 7:04 am and sunset at 6:48 pm CDT.
Sunshine
The average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September in Gilmanton is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Gilmanton?
What is the average humidity in September in Gilmanton?
How many days does it rain in September in Gilmanton?
When it does not snow in Gilmanton?
Does it snow in Gilmanton in September?
What is the average length of the day in September in Gilmanton?
When are sunrise and sunset in September in Gilmanton?
How many hours of sunshine does Gilmanton have in September?
How high is the UV index in September in Gilmanton?
Average temperature in September
Gilmanton, WI
- Average high temperature in September: 70.5°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (19.9°F).
- Average low temperature in September: 50.9°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 (6.3°F).
Average pressure in September
Gilmanton, WI
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Gilmanton, WI
- Average wind speed in September: 7.3mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in September
Gilmanton, WI
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (91%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in September
Gilmanton, WI
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is June (4.57").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in September
Gilmanton, WI
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in September
Gilmanton, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.38").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Gilmanton, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Gilmanton, WI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 3min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Gilmanton, WI
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is October (16.3 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in September
Gilmanton, WI
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Gilmanton, WI
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Gilmanton, WI
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, August, October and November (6mi).
The month with the lowest visibility is January (4mi).
Gilmanton, Wisconsin, USA
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