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
The start of September signals a gentle decrease in the average high-temperature, transitioning from a moderately hot 76.6°F (24.8°C) in August to a pleasant 69.4°F (20.8°C). Throughout September, Shafer witnesses a consistent average low-temperature of 50.9°F (10.5°C).Humidity
In September, the average relative humidity is 79%.Rainfall
In September, the rain falls for 12.6 days. Throughout September, 1.85" (47mm) of precipitation is accumulated. Throughout the year, there are 130.2 rainfall days, and 23.19" (589mm) of precipitation is accumulated.Snowfall
In Shafer, Minnesota, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 6:33 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:52 pm CDT.
Sunshine
In Shafer, the average sunshine in September is 8.5h.UV index
In Shafer, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How much does it rain in Shafer in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Shafer, MN
- Average high temperature in September: 69.4°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (18.3°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (5.2°F).
Average pressure in September
Shafer, MN
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Shafer, MN
- Average wind speed in September: 8mph
The windiest month (with the highest average wind speed) is April (9.7mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in September
Shafer, MN
- Average humidity in September: 79%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Shafer, MN
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is June (3.74").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in September
Shafer, MN
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (3.2 days).
Average snowfall in September
Shafer, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Shafer, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Shafer, MN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Shafer, MN
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is October (16.1 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in September
Shafer, 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
Shafer, MN
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in September
Shafer, MN
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Shafer, Minnesota, USA
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