September weather forecastFertile, MN
September
Weather in September
September, the first month of the autumn in Fertile, is also an agreeable month, with an average temperature fluctuating between 51.6°F (10.9°C) and 70.7°F (21.5°C).Temperature
Fertile's September weather shows a moderate shift in high-temperatures, falling from August's warm 80.2°F (26.8°C) to an agreeable 70.7°F (21.5°C). During September, the nighttime temperature averages to a cool 51.6°F (10.9°C).Humidity
In Fertile, the average relative humidity in September is 64%.Rainfall
In September, in Fertile, the rain falls for 9.2 days. Throughout September, 1.38" (35mm) of precipitation is accumulated. In Fertile, during the entire year, the rain falls for 101.8 days and collects up to 17.44" (443mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 33min.On the first day of the month, sunrise is at 6:44 am and sunset at 8:04 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:05 pm CDT.
Sunshine
The average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fertile, MN
- Average high temperature in September: 70.7°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (15.6°F).
- Average low temperature in September: 51.6°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (1°F).
Average pressure in September
Fertile, MN
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Fertile, MN
- Average wind speed in September: 9.7mph
The windiest month (with the highest average wind speed) is October (10.4mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in September
Fertile, MN
- Average humidity in September: 64%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (63%).
Average rainfall in September
Fertile, MN
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is June (3.11").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in September
Fertile, MN
- Average rainfall days in September: 9.2 days
The month with the highest number of rainy days is June (15.6 days).
The month with the least rainy days is January (1.5 days).
Average snowfall in September
Fertile, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Fertile, MN
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Fertile, 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: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in September
Fertile, MN
- Average sunshine days in September: 19.4 days
The month with the most sunshine days is August (19.6 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in September
Fertile, 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
Fertile, MN
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Fertile, 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).





