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
In September, the average high-temperature marginally decreases from a moderately hot 76.6°F (24.8°C) in August to an agreeable 71.1°F (21.7°C). Throughout the nights in September, an average low-temperature of 52.7°F (11.5°C) is noted.Humidity
In Dexter, the average relative humidity in September is 78%.Rainfall
In Dexter, in September, during 11.8 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. In Dexter, during the entire year, the rain falls for 128.8 days and collects up to 24.61" (625mm) of precipitation.Snowfall
In Dexter, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:35 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:52 pm CDT.
Sunshine
In September, the average sunshine is 8.8h.UV index
In Dexter, 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 unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 4 in September transforms into this advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Dexter in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Dexter have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Dexter have in September?
What is the UV index intensity in September?
Average temperature in September
Dexter, MN
- Average high temperature in September: 71.1°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (21°F).
- Average low temperature in September: 52.7°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 (8.6°F).
Average pressure in September
Dexter, MN
- Average pressure in September: 30.01"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Dexter, MN
- Average wind speed in September: 8.6mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7.4mph).
Average humidity in September
Dexter, MN
- Average humidity in September: 78%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Dexter, MN
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is June (4.29").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in September
Dexter, MN
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is June (18.4 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in September
Dexter, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.67").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Dexter, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Dexter, 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: 8h and 5min
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 12min).
Average sunshine days in September
Dexter, MN
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in September
Dexter, 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, November and December (UV index 1).
Average cloud cover in September
Dexter, MN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Dexter, MN
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, July and December (5mi).
Dexter, Minnesota, USA
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