September weather forecastLake Bronson, MN
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Lake Bronson, Minnesota, with an average temperature varying between 68.9°F (20.5°C) and 50.7°F (10.4°C).Temperature
The onset of September results in a decrease in the average high-temperature, receding from a warm 79.3°F (26.3°C) in August to an agreeable 68.9°F (20.5°C). In Lake Bronson, an average nighttime temperature of 50.7°F (10.4°C) is expected during September.Humidity
In September, the average relative humidity in Lake Bronson is 64%.Rainfall
In September, the rain falls for 10 days. Throughout September, 1.81" (46mm) of precipitation is accumulated. In Lake Bronson, Minnesota, during the entire year, the rain falls for 100.4 days and collects up to 15.91" (404mm) of precipitation.Snowfall
In Lake Bronson, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 6:44 am and sunset at 8:08 pm. On the last day of September, sunrise is at 7:25 am and sunset at 7:06 pm CDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
In Lake Bronson, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 4 during September translates into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lake Bronson, MN
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is August (79.3°F).
The month with the lowest average high temperature is January (13.6°F).
- Average low temperature in September: 50.7°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (-0.8°F).
Average pressure in September
Lake Bronson, MN
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Lake Bronson, MN
- Average wind speed in September: 9.6mph
The windiest month (with the highest average wind speed) is October (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).
Average humidity in September
Lake Bronson, MN
- Average humidity in September: 64%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is August (61%).
Average rainfall in September
Lake Bronson, MN
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is June (2.72").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days in September
Lake Bronson, MN
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is June (16.2 days).
The months with the least rainy days are February and December (1.9 days).
Average snowfall in September
Lake Bronson, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.25").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Lake Bronson, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (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
Lake Bronson, MN
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in September
Lake Bronson, MN
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is August (19.1 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in September
Lake Bronson, 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
Lake Bronson, MN
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Lake Bronson, 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).





