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 moderately hot 73.4°F (23°C) in August to an enjoyable 67.1°F (19.5°C). The temperature during September nights demonstrates a small drop from the daytime highs, settling to an average of 58.3°F (14.6°C).Humidity
In September, the average relative humidity is 79%.Rainfall
In Sheboygan, during September, the rain falls for 12.3 days and regularly aggregates up to 2.52" (64mm) of precipitation. In Sheboygan, during the entire year, the rain falls for 143.2 days and collects up to 28.23" (717mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Sheboygan, Wisconsin, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:15 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:33 pm CDT.
Sunshine
In September, the average sunshine is 9.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 4 in September transforms into this advice:
Take necessary precautions - Suggestions to elude sunburn are provided. To guard against the harmful effects of the Sun, minimize exposure during midday. Experience reduced UV exposure by about half when donning a wide-brim hat.
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?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Sheboygan have in September?
What is the UV index reading in September?
Average temperature in September
Sheboygan, WI
- Average high temperature in September: 67.1°F
The warmest month (with the highest average high temperature) is August (73.4°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in September: 58.3°F
The month with the highest average low temperature is August (64.4°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in September
Sheboygan, WI
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Sheboygan, WI
- Average wind speed in September: 10.7mph
The windiest month (with the highest average wind speed) is January (14.2mph).
The calmest month (with the lowest average wind speed) is July (8.8mph).
Average humidity in September
Sheboygan, WI
- Average humidity in September: 79%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are October and November (77%).
Average rainfall in September
Sheboygan, WI
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is February (1.18").
Average rainfall days in September
Sheboygan, WI
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is April (15.9 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in September
Sheboygan, WI
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.87").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Sheboygan, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sheboygan, WI
- Average daylight in September: 12h and 3min
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: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Sheboygan, WI
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is April (11.1 days).
Average UV index in September
Sheboygan, 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, March and December (UV index 1).
Average cloud cover in September
Sheboygan, WI
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in September
Sheboygan, WI
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Sheboygan, Wisconsin, USA
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