September weather forecastLong Prairie, MN
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Long Prairie, Minnesota, with temperature in the range of an average low of 49.8°F (9.9°C) and an average high of 69.4°F (20.8°C).Temperature
September reveals a small adjustment in temperature, transitioning from an average high of a moderately hot 78.1°F (25.6°C) in August to a pleasant 69.4°F (20.8°C). The nighttime temperature dips to a chilly 49.8°F (9.9°C) on average during September.Humidity
The average relative humidity in September is 73%.Rainfall
In Long Prairie, in September, it is raining for 8.6 days, with typically 0.94" (24mm) of accumulated precipitation. Throughout the year, there are 92.5 rainfall days, and 12.68" (322mm) of precipitation is accumulated.Snowfall
In Long Prairie, snow does not fall in June through September.Daylight
The average length of the day in September in Long Prairie is 12h and 31min.On the first day of the month, sunrise is at 6:41 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:17 am and sunset at 7:00 pm CDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
In Long Prairie, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Long Prairie, MN
- Average high temperature in September: 69.4°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (17.8°F).
- Average low temperature in September: 49.8°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (4.5°F).
Average pressure in September
Long Prairie, 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
Long Prairie, MN
- Average wind speed in September: 8.3mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).
Average humidity in September
Long Prairie, MN
- Average humidity in September: 73%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (70%).
Average rainfall in September
Long Prairie, MN
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is June (2.44").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in September
Long Prairie, MN
- Average rainfall days in September: 8.6 days
The month with the highest number of rainy days is June (14.6 days).
The month with the least rainy days is February (0.9 days).
Average snowfall in September
Long Prairie, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Long Prairie, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.8 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 Prairie, 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 42min
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
Long Prairie, MN
- Average sunshine days in September: 19.5 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is June (12.9 days).
Average UV index in September
Long Prairie, MN
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Long Prairie, MN
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in September
Long Prairie, 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).
