September weather forecastJeffers, MN
September
Weather in September
September, the first month of the autumn in Jeffers, is still a pleasant month, with an average temperature varying between 72.5°F (22.5°C) and 52.9°F (11.6°C).Temperature
During the shift to September, Jeffers records a mild decrease in average high-temperature, moving from a warm 78.4°F (25.8°C) in August to an agreeable 72.5°F (22.5°C). Throughout the September nights, Jeffers encounters a low-temperature of 52.9°F (11.6°C).Humidity
In Jeffers, Minnesota, the average relative humidity in September is 73%.Rainfall
In Jeffers, during September, the rain falls for 11.9 days and regularly aggregates up to 2.24" (57mm) of precipitation. Throughout the year, in Jeffers, Minnesota, there are 121.5 rainfall days, and 24.06" (611mm) of precipitation is accumulated.Snowfall
In Jeffers, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 30min.On the first day of September, sunrise is at 6:44 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:02 pm CDT.
Sunshine
In September, the average sunshine is 9.1h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In September, the UV index of 4 transforms into the following advice:
Take precautions - Protection against sunburn is recommended. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Jeffers, MN
- Average high temperature in September: 72.5°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 (20.8°F).
- Average low temperature in September: 52.9°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).
Average pressure in September
Jeffers, MN
- Average pressure in September: 29.99"Hg
The months with the highest atmospheric pressure are January and February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Jeffers, MN
- Average wind speed in September: 9.2mph
The windiest months (with the highest average wind speed) are January and February (11mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in September
Jeffers, MN
- Average humidity in September: 73%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (68%).
Average rainfall in September
Jeffers, MN
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in September
Jeffers, MN
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is January (1.9 days).
Average snowfall in September
Jeffers, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Jeffers, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Jeffers, MN
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 9h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Jeffers, MN
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in September
Jeffers, 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 and February (UV index 1).
Average cloud cover in September
Jeffers, MN
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are July and September (Cloud cover 31).
Average visibility in September
Jeffers, MN
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).





