September weather forecastRoosevelt, MN
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Roosevelt, Minnesota, with temperature in the range of an average low of 49.5°F (9.7°C) and an average high of 63.3°F (17.4°C).Temperature
As September begins, there is a minor decrease in the average high-temperature, softly falling from a pleasant 72.1°F (22.3°C) in August to a refreshing 63.3°F (17.4°C). The low-temperature in Roosevelt, Minnesota, averages to a frosty 49.5°F (9.7°C) during the nights of September.Humidity
In Roosevelt, the average relative humidity in September is 74%.Rainfall
In Roosevelt, during September, the rain falls for 12.1 days and regularly aggregates up to 1.85" (47mm) of precipitation. In Roosevelt, during the entire year, the rain falls for 115.1 days and collects up to 20.91" (531mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 114 snowfall days, and 37.32" (948mm) of snow is accumulated.Daylight
The average length of the day in September is 12h and 34min.On the first day of September, sunrise is at 6:38 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:00 pm CDT.
Sunshine
In Roosevelt, the average sunshine in September is 8.4h.UV index
In Roosevelt, Minnesota, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Roosevelt, MN
- Average high temperature in September: 63.3°F
The warmest months (with the highest average high temperature) are July and August (72.1°F).
The month with the lowest average high temperature is January (14.4°F).
- Average low temperature in September: 49.5°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (1.8°F).
Average pressure in September
Roosevelt, MN
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Roosevelt, MN
- Average wind speed in September: 9.1mph
The windiest month (with the highest average wind speed) is November (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).
Average humidity in September
Roosevelt, MN
- Average humidity in September: 74%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (70%).
Average rainfall in September
Roosevelt, MN
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in September
Roosevelt, MN
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (1.8 days).
Average snowfall in September
Roosevelt, MN
- Average snowfall in September: 0.04"
The month with the highest snowfall is December (7.24").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Roosevelt, MN
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is January (23.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Roosevelt, 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 24min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 36min).
Average sunshine days in September
Roosevelt, MN
- Average sunshine days in September: 16 days
The month with the most sunshine days is September (16 days).
The month with the least sunshine days is January (9.3 days).
Average UV index in September
Roosevelt, MN
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 1).
Average cloud cover in September
Roosevelt, MN
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 84).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in September
Roosevelt, 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, February and March (4mi).
