September weather forecastHendrum, MN
September
Weather in September
September, the first month of the autumn in Hendrum, is also an agreeable month, with an average temperature varying between 51.6°F (10.9°C) and 70.7°F (21.5°C).Temperature
A change in temperatures is noted as August gives way to September, with average highs reducing from a moderately hot 80.2°F (26.8°C) to an agreeable 70.7°F (21.5°C). September nights observe an average temperature dip to a cool 51.6°F (10.9°C).Humidity
In Hendrum, the average relative humidity in September is 64%.Rainfall
In Hendrum, during September, the rain falls for 9.2 days and regularly aggregates up to 1.38" (35mm) of precipitation. In Hendrum, during the entire year, the rain falls for 101.8 days and collects up to 17.44" (443mm) of precipitation.Snowfall
In Hendrum, snow does not fall in June through September.Daylight
In Hendrum, Minnesota, the average length of the day in September is 12h and 32min.On the first day of September in Hendrum, sunrise is at 6:47 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:08 pm CDT.
Sunshine
In Hendrum, 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 medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Be vigilant - A duty to shield skin and eyes from injury exists. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hendrum, 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
Hendrum, 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
Hendrum, 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
Hendrum, 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
Hendrum, 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
Hendrum, 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
Hendrum, 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
Hendrum, 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
Hendrum, 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 36min).
- 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
Hendrum, 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
Hendrum, 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
Hendrum, 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
Hendrum, 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).





