September weather forecastFreeport, MN
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Freeport, Minnesota, with an average temperature varying between 70.5°F (21.4°C) and 50.7°F (10.4°C).Temperature
A mild drop in Freeport's average high-temperature is observed in September, transitioning from a warm 78.4°F (25.8°C) in August to a pleasant 70.5°F (21.4°C). Throughout September, Freeport experiences a low-temperature average of 50.7°F (10.4°C).Humidity
The average relative humidity in September in Freeport is 73%.Rainfall
In Freeport, Minnesota, in September, during 9.5 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. In Freeport, during the entire year, the rain falls for 94.2 days and collects up to 11.85" (301mm) of precipitation.Snowfall
June through September are months without snowfall in Freeport.Daylight
In Freeport, Minnesota, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:40 am and sunset at 7:56 pm. On the last day of September, in Freeport, sunrise is at 7:16 am and sunset at 7:00 pm CDT.
Sunshine
The average sunshine in September in Freeport is 8.8h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In September, an average UV index of 4 transforms into the following instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Freeport, MN
- Average high temperature in September: 70.5°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (18.3°F).
- Average low temperature in September: 50.7°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (5°F).
Average pressure in September
Freeport, MN
- Average pressure in September: 29.99"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Freeport, MN
- Average wind speed in September: 8.1mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in September
Freeport, MN
- Average humidity in September: 73%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (70%).
Average rainfall in September
Freeport, MN
- Average rainfall in September: 0.98"
The wettest month (with the highest rainfall) is June (2.09").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in September
Freeport, MN
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is June (14 days).
The month with the least rainy days is February (0.6 days).
Average snowfall in September
Freeport, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Freeport, MN
- 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
Freeport, 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 48min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Freeport, MN
- Average sunshine days in September: 19.4 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is June (13.8 days).
Average UV index in September
Freeport, 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
Freeport, MN
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in September
Freeport, 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).
