September weather forecastLeonidas, MN
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Leonidas, Minnesota, with an average temperature ranging between max 65.8°F (18.8°C) and min 47.1°F (8.4°C).Temperature
During the shift to September, Leonidas records a mild decrease in average high-temperature, moving from a moderately hot 74.7°F (23.7°C) in August to a comfortable 65.8°F (18.8°C). Leonidas experiences a mean temperature of 47.1°F (8.4°C) during September nights.Humidity
The average relative humidity in September is 78%.Rainfall
In September, the rain falls for 13.4 days. Throughout September, 1.93" (49mm) of precipitation is accumulated. In Leonidas, during the entire year, the rain falls for 115.7 days and collects up to 21.18" (538mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows in Leonidas. Throughout September, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 98.5 snowfall days, and 41.54" (1055mm) of snow is accumulated.Daylight
In Leonidas, the average length of the day in September is 12h and 33min.On the first day of September, sunrise is at 6:30 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:51 pm CDT.
Sunshine
In Leonidas, the average sunshine in September is 7.8h.UV index
In Leonidas, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In September, a regular UV index of 3 translates into these guidelines:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Leonidas, MN
- Average high temperature in September: 65.8°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (14.4°F).
- Average low temperature in September: 47.1°F
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (-0.4°F).
Average pressure in September
Leonidas, MN
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Leonidas, MN
- Average wind speed in September: 8.2mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).
Average humidity in September
Leonidas, MN
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Leonidas, MN
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is July (2.64").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days in September
Leonidas, MN
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is June (16.9 days).
The month with the least rainy days is February (1.1 days).
Average snowfall in September
Leonidas, MN
- Average snowfall in September: 0.04"
The month with the highest snowfall is December (8.23").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Leonidas, MN
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is January (19.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Leonidas, MN
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 2h and 0min).
Average sunshine days in September
Leonidas, MN
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is June (10.6 days).
Average UV index in September
Leonidas, MN
- Average UV index in September: 3
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Leonidas, MN
- Average cloud cover in September: 44
The month with the most cloud cover is January (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in September
Leonidas, MN
- Average visibility in September: 5mi
The months with the highest visibility are May, June, July and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).





