September weather forecastLong Lake, MN
September
Weather in September
September, the first month of the autumn in Long Lake, is still a pleasant month, with temperature in the range of an average high of 71.2°F (21.8°C) and an average low of 53.1°F (11.7°C).Temperature
The start of September comes with a small reduction in the average high-temperature, subtly receding from a moderately hot 78.4°F (25.8°C) in August to an agreeable 71.2°F (21.8°C). Throughout the September nights, Long Lake encounters a low-temperature of 53.1°F (11.7°C).Humidity
The average relative humidity in September in Long Lake is 74%.Rainfall
In Long Lake, Minnesota, during September, the rain falls for 9.4 days and regularly aggregates up to 0.91" (23mm) of precipitation. Throughout the year, in Long Lake, there are 99.9 rainfall days, and 11.65" (296mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 6:37 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 6:56 pm CDT.
Sunshine
In Long Lake, the average sunshine in September is 8.8h.UV index
In Long Lake, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 4 during September leads to these advisories:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Long Lake, MN
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (20.1°F).
- Average low temperature in September: 53.1°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (7.5°F).
Average pressure in September
Long Lake, MN
- Average pressure in September: 30"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Long Lake, MN
- Average wind speed in September: 7.9mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in September
Long Lake, MN
- Average humidity in September: 74%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and May (71%).
Average rainfall in September
Long Lake, MN
- Average rainfall in September: 0.91"
The wettest month (with the highest rainfall) is June (1.97").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in September
Long Lake, MN
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is June (15.2 days).
The month with the least rainy days is February (1.5 days).
Average snowfall in September
Long Lake, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.4").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Long Lake, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Long Lake, 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 6min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Long Lake, MN
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is December (20.9 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in September
Long Lake, MN
- Average UV index in September: 4
The months with the highest UV index are June and 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
Long Lake, MN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Long Lake, 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).
