September weather forecastChisago City, MN
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Chisago City, Minnesota, with temperature in the range of an average high of 70.2°F (21.2°C) and an average low of 51.8°F (11°C).Temperature
The arrival of September is marked by a minor reduction in average high-temperature, sliding from a moderately hot 77.2°F (25.1°C) in August to a pleasant 70.2°F (21.2°C). Throughout the month of September, Chisago City sees a steady low-temperature average of 51.8°F (11°C).Humidity
In September, the average relative humidity in Chisago City is 77%.Rainfall
In Chisago City, during September, the rain falls for 12 days and regularly aggregates up to 1.77" (45mm) of precipitation. Throughout the year, there are 120.2 rainfall days, and 21.46" (545mm) of precipitation is accumulated.Snowfall
In Chisago City, snow does not fall in June through September.Daylight
In Chisago City, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:48 pm. On the last day of September, sunrise is at 7:09 am and sunset at 6:53 pm CDT.
Sunshine
The average sunshine in September is 8.5h.UV index
In Chisago City, 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 maximum daily UV index of 4 during September morphs into the following directions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chisago City, MN
- Average high temperature in September: 70.2°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (18.9°F).
- Average low temperature in September: 51.8°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).
Average pressure in September
Chisago City, MN
- Average pressure in September: 30"Hg
The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Chisago City, MN
- Average wind speed in September: 7.8mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in September
Chisago City, MN
- Average humidity in September: 77%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Chisago City, MN
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is June (3.66").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in September
Chisago City, MN
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is January (2.3 days).
Average snowfall in September
Chisago City, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (5.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Chisago City, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Chisago City, MN
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Chisago City, MN
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is December (17.1 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in September
Chisago City, MN
- 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, February, November and December (UV index 1).
Average cloud cover in September
Chisago City, MN
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in September
Chisago City, MN
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).





