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 commencement of September in Walker indicates a shift in the average high-temperature, receding from August's warm 76.6°F (24.8°C) to a refreshing 67.3°F (19.6°C). September brings with it a nighttime average temperature of 48.6°F (9.2°C).Humidity
In Walker, the average relative humidity in September is 74%.Rainfall
In September, the rain falls for 10.8 days. Throughout September, 1.57" (40mm) of precipitation is accumulated. Throughout the year, there are 106.9 rainfall days, and 20.35" (517mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 32min.On the first day of September, sunrise is at 6:38 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 6:59 pm CDT.
Sunshine
In September, the average sunshine is 8.3h.UV index
In Walker, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The UV index of 4 in September translates into these instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
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 Walker have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Walker have in September?
How high is the UV index in September?
Average temperature in September
Walker, MN
- Average high temperature in September: 67.3°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (16.5°F).
- Average low temperature in September: 48.6°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (2.7°F).
Average pressure in September
Walker, MN
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Walker, MN
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is October (7.9mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in September
Walker, MN
- Average humidity in September: 74%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (70%).
Average rainfall in September
Walker, MN
- Average rainfall in September: 1.57"
The wettest month (with the highest rainfall) is June (3.07").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in September
Walker, MN
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is June (15.9 days).
The months with the least rainy days are January and February (2.1 days).
Average snowfall in September
Walker, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (7.56").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Walker, MN
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (19.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Walker, MN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).
Average sunshine days in September
Walker, MN
- Average sunshine days in September: 17 days
The month with the most sunshine days is August (17.4 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in September
Walker, 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
Walker, MN
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Walker, MN
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Walker, Minnesota, USA
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