September weather forecastAlgoma, WI
September
Weather in September
September, the first month of the autumn in Algoma, is also an enjoyable month, with an average temperature varying between 56.1°F (13.4°C) and 67.1°F (19.5°C).Temperature
As September begins, there is a minor decrease in the average high-temperature, softly falling from a warm 74.1°F (23.4°C) in August to a refreshing 67.1°F (19.5°C). Throughout September, an average nighttime temperature of 56.1°F (13.4°C) is experienced in Algoma.Humidity
In Algoma, the average relative humidity in September is 78%.Rainfall
In Algoma, during September, the rain falls for 9.9 days and regularly aggregates up to 0.79" (20mm) of precipitation. Throughout the year, there are 106.4 rainfall days, and 10.35" (263mm) of precipitation is accumulated.Snowfall
In Algoma, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 30min.On the first day of the month, sunrise is at 6:13 am and sunset at 7:25 pm. On the last day of September, in Algoma, sunrise is at 6:47 am and sunset at 6:31 pm CDT.
Sunshine
In September, the average sunshine in Algoma is 8.8h.UV index
The average daily maximum UV index in September in Algoma, Wisconsin, is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Algoma, WI
- Average high temperature in September: 67.1°F
The warmest months (with the highest average high temperature) are July and August (74.1°F).
The month with the lowest average high temperature is January (24.8°F).
- Average low temperature in September: 56.1°F
The month with the highest average low temperature is August (61.9°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in September
Algoma, WI
- Average pressure in September: 30.02"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
Algoma, WI
- Average wind speed in September: 10.1mph
The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is July (8.4mph).
Average humidity in September
Algoma, WI
- Average humidity in September: 78%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April, May, October and November (77%).
Average rainfall in September
Algoma, WI
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is May (1.3").
The driest months (with the least rainfall) are February and November (0.55").
Average rainfall days in September
Algoma, WI
- Average rainfall days in September: 9.9 days
The months with the highest number of rainy days are June and July (11.8 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in September
Algoma, WI
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (1.73").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Algoma, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Algoma, WI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Algoma, WI
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is February (14.6 days).
Average UV index in September
Algoma, 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 and December (UV index 1).
Average cloud cover in September
Algoma, WI
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in September
Algoma, 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).
