September weather forecast
Westbrook, MN

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Weather in September

September, the first month of the autumn in Westbrook, is still a pleasant month, with an average temperature varying between 52.3°F (11.3°C) and 72°F (22.2°C).

Temperature

The arrival of September correlates with a minor temperature reduction, down from August's moderately hot 78.3°F (25.7°C) to an agreeable 72°F (22.2°C). In the month of September, Westbrook records a consistent average low-temperature of 52.3°F (11.3°C).

Humidity

The average relative humidity in September is 72%.

Rainfall

In Westbrook, during September, the rain falls for 9.5 days and regularly aggregates up to 1.77" (45mm) of precipitation. In Westbrook, during the entire year, the rain falls for 113.2 days and collects up to 22.2" (564mm) of precipitation.

Snowfall

In Westbrook, snow does not fall in June through September.

Daylight

In September, the average length of the day 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 is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 4 during September morphs into the following directions:
Take precautions - Protection against sun damage is advised. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Updated: Jun 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

Westbrook in September has an average high-temperature of 72°F (22.2°C) and an average low-temperature of 52.3°F (11.3°C).

What is the average humidity in September in Westbrook?

In Westbrook, the average relative humidity in September is 72%.

How many days does it rain in September?

In Westbrook, in September, during 9.5 rainfall days, 1.77" (45mm) of precipitation is typically accumulated.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

In Westbrook, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Westbrook have in September?

In September, the average day length in Westbrook is 12h and 29min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:45 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:03 pm CDT.

How many hours of sunshine does Westbrook have in September?

The average sunshine duration in September is 8.9h.

How high is the UV index in September?

In Westbrook, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Westbrook, MN

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / 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 - 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 - 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 - 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 - 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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