Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September's arrival aligns with a minor decrease in average high-temperatures, from August's moderately hot 78.1°F (25.6°C) to a pleasant 69.4°F (20.8°C). Nighttime temperature in Long Prairie lowers to an average of 49.8°F (9.9°C) in September.Humidity
In Long Prairie, the average relative humidity in September is 73%.Rainfall
In September, in Long Prairie, Minnesota, the rain falls for 8.6 days. Throughout September, 0.94" (24mm) of precipitation is accumulated. In Long Prairie, during the entire year, the rain falls for 92.5 days and collects up to 12.68" (322mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Long Prairie, the average length of the day in September 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, in Long Prairie, sunrise is at 7:17 am and sunset at 7:00 pm CDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 4 during September leads to these advisories:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
What are the temperatures in Long Prairie in September?
What is the average humidity in September in Long Prairie?
How much does it rain in Long Prairie in September?
When it does not snow in Long Prairie?
Does it snow in Long Prairie in September?
What is the average length of the day in September in Long Prairie?
When is the sunrise / sunset in September in Long Prairie?
How many hours of sunshine does Long Prairie have in September?
What is the UV index reading in September in Long Prairie?
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 3min
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 4min
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).
Long Prairie, Minnesota, USA
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