September weather forecastWhalan, MN
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Whalan, Minnesota, with an average temperature fluctuating between 70.7°F (21.5°C) and 51.4°F (10.8°C).Temperature
September implies a soft temperature shift, with average high-temperatures reducing from August's warm 77°F (25°C) to a pleasant 70.7°F (21.5°C). The month of September records an average low-temperature of 51.4°F (10.8°C).Humidity
In September, the average relative humidity is 80%.Rainfall
In Whalan, in September, during 10.6 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, there are 113.7 rainfall days, and 16.38" (416mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:42 pm. On the last day of September, sunrise is at 7:05 am and sunset at 6:49 pm CDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
In Whalan, Minnesota, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 4 in September translates into this advice:
Undertake precautions - It is suggested to shield oneself from sunburn. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Whalan, MN
- Average high temperature in September: 70.7°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (21.4°F).
- Average low temperature in September: 51.4°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (8.4°F).
Average pressure in September
Whalan, MN
- Average pressure in September: 30.01"Hg
The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Whalan, MN
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in September
Whalan, MN
- Average humidity in September: 80%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (76%).
Average rainfall in September
Whalan, MN
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in September
Whalan, MN
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in September
Whalan, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Whalan, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Whalan, 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: 8h and 42min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Whalan, MN
- Average sunshine days in September: 17.1 days
The months with the most sunshine days are October, November and December (18.5 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in September
Whalan, 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 February, November and December (UV index 1).
Average cloud cover in September
Whalan, MN
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Whalan, MN
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, July, August, September and December (5mi).
