September weather forecastCleveland, WI
September
Weather in September
September, the first month of the autumn in Cleveland, is also an agreeable month, with an average temperature ranging between max 68°F (20°C) and min 56.1°F (13.4°C).Temperature
September witnesses a gentle descent in average high-temperature, descending from August's warm 74.5°F (23.6°C) to a pleasant 68°F (20°C). In September, Cleveland experiences an average nighttime temperature of 56.1°F (13.4°C).Humidity
In September, the average relative humidity is 80%.Rainfall
In Cleveland, in September, it is raining for 13.4 days, with typically 2.36" (60mm) of accumulated precipitation. Throughout the year, there are 137.7 rainfall days, and 27.64" (702mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in Cleveland.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September in Cleveland, sunrise is at 6:15 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:33 pm CDT.
Sunshine
In Cleveland, the average sunshine in September is 9.1h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 4 in September leads to these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cleveland, WI
- Average high temperature in September: 68°F
The warmest months (with the highest average high temperature) are July and August (74.5°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in September: 56.1°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in September
Cleveland, WI
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Cleveland, WI
- Average wind speed in September: 9.7mph
The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in September
Cleveland, WI
- Average humidity in September: 80%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is November (77%).
Average rainfall in September
Cleveland, WI
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is May (3.5").
The driest months (with the least rainfall) are January and February (1.14").
Average rainfall days in September
Cleveland, WI
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in September
Cleveland, 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
Cleveland, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cleveland, 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: 9h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 3h and 36min).
Average sunshine days in September
Cleveland, WI
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is December (17.1 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in September
Cleveland, WI
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Cleveland, WI
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in September
Cleveland, 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).





