September weather forecastRichville, MN
September
Weather in September
September, the first month of the autumn in Richville, is still a pleasant month, with an average temperature ranging between max 68.5°F (20.3°C) and min 50°F (10°C).Temperature
Start of September brings a slight shift in the average high-temperature, dipping a bit from August's moderately hot 77.2°F (25.1°C) to a pleasant 68.5°F (20.3°C). Richville usually reports an average low-temperature of 50°F (10°C) during the month of September.Humidity
The average relative humidity in September is 71%.Rainfall
In September, the rain falls for 9.8 days. Throughout September, 1.18" (30mm) of precipitation is accumulated. In Richville, during the entire year, the rain falls for 107.6 days and collects up to 17.83" (453mm) of precipitation.Snowfall
June through September are months without snowfall in Richville.Daylight
In Richville, 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, in Richville, sunrise is at 7:20 am and sunset at 7:03 pm CDT.
Sunshine
In Richville, the average sunshine in September is 8.7h.UV index
In Richville, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The UV index of 4 in September translates into these instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Richville, 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
Richville, 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
Richville, 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
Richville, 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
Richville, 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
Richville, 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
Richville, 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
Richville, 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
Richville, 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 42min).
- 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
Richville, 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
Richville, 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
Richville, 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
Richville, 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).
