September weather forecastComo, WI
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Como, Wisconsin, with an average temperature varying between 71.6°F (22°C) and 53.6°F (12°C).Temperature
September reveals a small adjustment in temperature, transitioning from an average high of a moderately hot 77.5°F (25.3°C) in August to a pleasant 71.6°F (22°C). September nights cool down to an average low-temperature of 53.6°F (12°C).Humidity
In Como, the average relative humidity in September is 81%.Rainfall
In Como, in September, it is raining for 12.4 days, with typically 1.81" (46mm) of accumulated precipitation. Throughout the year, there are 139.3 rainfall days, and 25.79" (655mm) of precipitation is accumulated.Snowfall
In Como, snow does not fall in June through September.Daylight
In Como, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:19 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:50 am and sunset at 6:36 pm CDT.
Sunshine
The average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September in Como is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 4 in September transforms into this advice:
Take necessary precautions - Suggestions to elude sunburn are provided. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Como, WI
- Average high temperature in September: 71.6°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in September: 53.6°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 (13.3°F).
Average pressure in September
Como, WI
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Como, WI
- Average wind speed in September: 7.3mph
The windiest months (with the highest average wind speed) are February and April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in September
Como, WI
- Average humidity in September: 81%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in September
Como, WI
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is December (1.14").
Average rainfall days in September
Como, WI
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is January (3.1 days).
Average snowfall in September
Como, 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
Como, 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
Como, WI
- Average daylight in September: 12h and 30min
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 30min
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 30min).
Average sunshine days in September
Como, WI
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in September
Como, WI
- Average UV index in September: 4
The months with the highest UV index are May, 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
Como, WI
- Average cloud cover in September: 34
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 34).
Average visibility in September
Como, 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).





