September weather forecastFlensburg, MN
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Flensburg, Minnesota, with an average temperature varying between 49.8°F (9.9°C) and 70.2°F (21.2°C).Temperature
September brings a slight decrease in the average high-temperature, shifting from a warm 78.4°F (25.8°C) in August to an agreeable 70.2°F (21.2°C). Throughout September, Flensburg encounters an average temperature drop to a chilly 49.8°F (9.9°C).Humidity
The average relative humidity in September is 74%.Rainfall
In September, the rain falls for 9.7 days. Throughout September, 1.3" (33mm) of precipitation is accumulated. Throughout the year, there are 109.2 rainfall days, and 17.64" (448mm) of precipitation is accumulated.Snowfall
In Flensburg, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 6:39 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 6:59 pm CDT.
Sunshine
In September, the average sunshine is 8.8h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 4 during September translates into the following guidance:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Flensburg, MN
- Average high temperature in September: 70.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (18.1°F).
- Average low temperature in September: 49.8°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (4.8°F).
Average pressure in September
Flensburg, MN
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Flensburg, MN
- Average wind speed in September: 7.7mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in September
Flensburg, MN
- Average humidity in September: 74%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (70%).
Average rainfall in September
Flensburg, MN
- Average rainfall in September: 1.3"
The wettest month (with the highest rainfall) is June (3.15").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in September
Flensburg, MN
- Average rainfall days in September: 9.7 days
The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is February (2.5 days).
Average snowfall in September
Flensburg, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Flensburg, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Flensburg, MN
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
Flensburg, MN
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is June (12.7 days).
Average UV index in September
Flensburg, 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
Flensburg, MN
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Flensburg, MN
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
