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 implies a soft temperature shift, with average high-temperatures reducing from August's warm 78.8°F (26°C) to a pleasant 72°F (22.2°C). Nighttime temperatures in Fennimore consistently average a cool 52°F (11.1°C) during September.Humidity
In September, the average relative humidity in Fennimore is 80%.Rainfall
In Fennimore, during September, the rain falls for 13 days and regularly aggregates up to 2.91" (74mm) of precipitation. In Fennimore, during the entire year, the rain falls for 145.9 days and collects up to 31.97" (812mm) of precipitation.Snowfall
June through September are months without snowfall in Fennimore.Daylight
In September, the average length of the day in Fennimore, Wisconsin, is 12h and 29min.On the first day of September in Fennimore, sunrise is at 6:27 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:45 pm CDT.
Sunshine
In Fennimore, the average sunshine in September is 8.8h.UV index
In Fennimore, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 3 in September translates into this advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Fennimore?
What is the average humidity in September in Fennimore?
How much does it rain in Fennimore in September?
When it does not snow in Fennimore?
Does it snow in Fennimore in September?
How many hours of daylight does Fennimore have in September?
What time are sunrise and sunset in September in Fennimore?
How long on average sun shines in September in Fennimore?
How high is the UV index in September in Fennimore?
Average temperature in September
Fennimore, WI
- Average high temperature in September: 72°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in September: 52°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).
Average pressure in September
Fennimore, WI
- Average pressure in September: 30.02"Hg
The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Fennimore, WI
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in September
Fennimore, WI
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (89%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in September
Fennimore, WI
- Average rainfall in September: 2.91"
The wettest month (with the highest rainfall) is June (4.41").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in September
Fennimore, WI
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in September
Fennimore, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Fennimore, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Fennimore, WI
- 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 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Fennimore, WI
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is June (8.6 days).
Average UV index in September
Fennimore, WI
- Average UV index in September: 3
The months with the highest UV index are June and 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
Fennimore, WI
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Fennimore, WI
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, July, August, September and December (5mi).
Fennimore, Wisconsin, USA
Weather forecast for your location
2. Allow the app to use your location