Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a warm 78.1°F (25.6°C) to an agreeable 72.7°F (22.6°C). Dunnell records a consistent low-temperature of 53.8°F (12.1°C) during September nights.Humidity
In September, the average relative humidity is 74%.Rainfall
In September, the rain falls for 11.7 days. Throughout September, 2.28" (58mm) of precipitation is accumulated. In Dunnell, during the entire year, the rain falls for 123.7 days and collects up to 23.66" (601mm) of precipitation.Snowfall
June through September are months without snowfall in Dunnell, Minnesota.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September, sunrise is at 6:43 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 7:01 pm CDT.
Sunshine
In Dunnell, the average sunshine in September is 9.1h.UV index
The average daily maximum UV index in September in Dunnell is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Prioritize safety - Recommendations to avert sunburn are shared. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What is the average September temperature in Dunnell?
What is the average humidity in September in Dunnell?
How many days does it rain in September in Dunnell?
When it does not snow in Dunnell?
Does it snow in Dunnell in September?
What is the average length of the day in September in Dunnell?
When is the sunrise / sunset in September in Dunnell?
How many hours of sunshine does Dunnell have in September?
What is the UV index intensity in September in Dunnell?
Average temperature in September
Dunnell, MN
- Average high temperature in September: 72.7°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in September: 53.8°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in September
Dunnell, MN
- Average pressure in September: 30"Hg
The months with the highest atmospheric pressure are January and February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Dunnell, MN
- Average wind speed in September: 8.9mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in September
Dunnell, MN
- Average humidity in September: 74%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (68%).
Average rainfall in September
Dunnell, MN
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is June (3.7").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in September
Dunnell, MN
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in September
Dunnell, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Dunnell, 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
Dunnell, MN
- Average daylight in September: 12h and 3min
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 1min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Dunnell, MN
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (10.1 days).
Average UV index in September
Dunnell, 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 February (UV index 1).
Average cloud cover in September
Dunnell, MN
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are July and September (Cloud cover 31).
Average visibility in September
Dunnell, 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).
Dunnell, Minnesota, USA
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