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 arrival of September signals a subtle shift in temperature, down from a moderately hot 78.3°F (25.7°C) in August to a pleasant 72°F (22.2°C). Throughout September nights, Westbrook registers an average low-temperature of 52.3°F (11.3°C).Humidity
In Westbrook, Minnesota, the average relative humidity in September is 72%.Rainfall
In Westbrook, in September, it is raining for 9.5 days, with typically 1.77" (45mm) of accumulated precipitation. Throughout the year, in Westbrook, there are 113.2 rainfall days, and 22.2" (564mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Westbrook.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:19 am and sunset at 7:03 pm CDT.
Sunshine
In Westbrook, Minnesota, the average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index in Westbrook is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 4 in September leads to these recommendations:
Ensure safety - Sun damage prevention is strongly urged. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. 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.
Frequently asked questions
What is the average September temperature in Westbrook?
What is the average humidity in September in Westbrook?
How much does it rain in Westbrook in September?
When it does not snow in Westbrook?
Does it snow in Westbrook in September?
How many hours of daylight does Westbrook have in September?
When is the sunrise / sunset in September in Westbrook?
How long on average sun shines in September in Westbrook?
How high is the UV index in September in Westbrook?
Average temperature in September
Westbrook, MN
- Average high temperature in September: 72°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (20.8°F).
- Average low temperature in September: 52.3°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 (7.7°F).
Average pressure in September
Westbrook, MN
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Westbrook, MN
- Average wind speed in September: 9.6mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in September
Westbrook, MN
- Average humidity in September: 72%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (67%).
Average rainfall in September
Westbrook, MN
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is June (3.11").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in September
Westbrook, MN
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in September
Westbrook, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.3").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Westbrook, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Westbrook, 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: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Westbrook, MN
- Average sunshine days in September: 19.1 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is April (11.2 days).
Average UV index in September
Westbrook, MN
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in September
Westbrook, MN
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July and September (Cloud cover 31).
Average visibility in September
Westbrook, MN
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
Westbrook, Minnesota, USA
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