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
The beginning of September brings a slight decrease in the average high-temperature, transitioning from a moderately hot 78.3°F (25.7°C) in August to an agreeable 72°F (22.2°C). Shullsburg reports an average nighttime low-temperature of 52.7°F (11.5°C) in September.Humidity
In September, the average relative humidity is 80%.Rainfall
In September, the rain falls for 12 days. Throughout September, 2.6" (66mm) of precipitation is accumulated. In Shullsburg, during the entire year, the rain falls for 140.6 days and collects up to 28.03" (712mm) of precipitation.Snowfall
In Shullsburg, snow does not fall in June through September.Daylight
In Shullsburg, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:26 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:43 pm CDT.
Sunshine
In Shullsburg, Wisconsin, the average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Undertake precautions - Obligation exists to protect against skin and eye damage. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. 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
What is the temperature in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Shullsburg have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Shullsburg, WI
- Average high temperature in September: 72°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (24.4°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (11.8°F).
Average pressure in September
Shullsburg, WI
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Shullsburg, WI
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in September
Shullsburg, WI
- Average humidity in September: 80%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in September
Shullsburg, WI
- Average rainfall in September: 2.6"
The wettest month (with the highest rainfall) is June (3.94").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in September
Shullsburg, WI
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in September
Shullsburg, WI
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Shullsburg, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Shullsburg, 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 month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Shullsburg, WI
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in September
Shullsburg, 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, November and December (UV index 1).
Average cloud cover in September
Shullsburg, WI
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in September
Shullsburg, WI
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Shullsburg, Wisconsin, USA
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