September weather forecastHanley Falls, MN
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Hanley Falls, Minnesota, with an average temperature ranging between max 72.9°F (22.7°C) and min 52.9°F (11.6°C).Temperature
September's arrival aligns with a minor decrease in average high-temperatures, from August's moderately hot 79.5°F (26.4°C) to a pleasant 72.9°F (22.7°C). In the month of September, the average low-temperature usually rests at a fresh 52.9°F (11.6°C).Humidity
In Hanley Falls, the average relative humidity in September is 70%.Rainfall
In Hanley Falls, in September, during 9.4 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. Throughout the year, in Hanley Falls, there are 101.9 rainfall days, and 15.12" (384mm) of precipitation is accumulated.Snowfall
In Hanley Falls, 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 the month, sunrise is at 6:45 am and sunset at 7:58 pm. On the last day of September, sunrise is at 7:20 am and sunset at 7:04 pm CDT.
Sunshine
The average sunshine in September in Hanley Falls is 9.1h.UV index
In September, the average daily maximum UV index in Hanley Falls is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hanley Falls, MN
- Average high temperature in September: 72.9°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (20.3°F).
- Average low temperature in September: 52.9°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (6.8°F).
Average pressure in September
Hanley Falls, MN
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Hanley Falls, MN
- Average wind speed in September: 8.8mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (7.4mph).
Average humidity in September
Hanley Falls, MN
- Average humidity in September: 70%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is May (66%).
Average rainfall in September
Hanley Falls, MN
- Average rainfall in September: 1.18"
The wettest months (with the highest rainfall) are June and July (2.4").
The driest months (with the least rainfall) are January and February (0.47").
Average rainfall days in September
Hanley Falls, MN
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is June (15.6 days).
The month with the least rainy days is February (2 days).
Average snowfall in September
Hanley Falls, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Hanley Falls, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hanley Falls, MN
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 9h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Hanley Falls, MN
- Average sunshine days in September: 18.9 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is June (12 days).
Average UV index in September
Hanley Falls, MN
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in September
Hanley Falls, MN
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in September
Hanley Falls, MN
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





