September weather forecastPerham, MN
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Perham, Minnesota, with an average temperature varying between 68.5°F (20.3°C) and 50°F (10°C).Temperature
September's onset brings a negligible change in high-temperatures, falling from a moderately hot 77.2°F (25.1°C) in August to a pleasant 68.5°F (20.3°C). September witnesses an average nighttime temperature of 50°F (10°C) in Perham.Humidity
The average relative humidity in September is 71%.Rainfall
In Perham, Minnesota, in September, during 9.8 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. Throughout the year, in Perham, Minnesota, there are 107.6 rainfall days, and 17.83" (453mm) of precipitation is accumulated.Snowfall
In Perham, snow does not fall in June through September.Daylight
In Perham, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 6:43 am and sunset at 8:00 pm. On the last day of September, sunrise is at 7:20 am and sunset at 7:03 pm CDT.
Sunshine
In Perham, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index in Perham is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Perham, MN
- Average high temperature in September: 68.5°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (16.2°F).
- Average low temperature in September: 50°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (3.6°F).
Average pressure in September
Perham, MN
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Perham, MN
- Average wind speed in September: 8.7mph
The windiest months (with the highest average wind speed) are April, October and November (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).
Average humidity in September
Perham, MN
- Average humidity in September: 71%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (69%).
Average rainfall in September
Perham, MN
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is June (2.95").
The driest months (with the least rainfall) are January and February (0.55").
Average rainfall days in September
Perham, MN
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in September
Perham, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Perham, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Perham, MN
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in September
Perham, MN
- Average sunshine days in September: 18.3 days
The month with the most sunshine days is September (18.3 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in September
Perham, 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
Perham, MN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 73).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in September
Perham, 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).
