September weather forecast
Maplewood, WI

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Weather in September

The first month of the autumn, September, is still a refreshing month in Maplewood, Wisconsin, with an average temperature fluctuating between 56.7°F (13.7°C) and 65.5°F (18.6°C).

Temperature

September indicates a minor shift in the average high-temperature, from August's agreeable 72.1°F (22.3°C) to a comfortable 65.5°F (18.6°C). September nighttime temperatures hover close to the daytime peak with an average of 56.7°F (13.7°C).

Humidity

In Maplewood, Wisconsin, the average relative humidity in September is 79%.

Rainfall

In Maplewood, during September, the rain falls for 12.8 days and regularly aggregates up to 2.05" (52mm) of precipitation. In Maplewood, during the entire year, the rain falls for 130.5 days and collects up to 25" (635mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Maplewood, the average length of the day in September is 12h and 31min.
On the first day of September, sunrise is at 6:13 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:31 pm CDT.

Sunshine

In September, the average sunshine is 8.8h.

UV index

In Maplewood, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 4 during September translates into these guidelines:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Updated: Jul 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

In Maplewood, 65.5°F (18.6°C) is the average high-temperature and 56.7°F (13.7°C) is the average low-temperature during September.

What is the average humidity in September?

In Maplewood, the average relative humidity in September is 79%.

How many days does it rain in September?

In Maplewood, in September, during 12.8 rainfall days, 2.05" (52mm) of precipitation is typically accumulated.

When it does not snow in Maplewood?

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

Does it snow in September?

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

How many hours of daylight does Maplewood have in September?

In Maplewood, the average day length in September is 12h and 31min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:13 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:31 pm CDT.

How many hours of sunshine does Maplewood have in September?

The average sunshine duration in September is 8.8h.

What is the UV index reading in September?

In Maplewood, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe 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
Maplewood, WI

Average temperature in September - Maplewood, WI
  • Average high temperature in September: 65.5°F

The warmest month (with the highest average high temperature) is August (72.1°F).
The month with the lowest average high temperature is January (24.8°F).

  • Average low temperature in September: 56.7°F

The month with the highest average low temperature is August (62.8°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure in September
Maplewood, WI

Average pressure in September - Maplewood, WI
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in September
Maplewood, WI

Average wind speed in September - Maplewood, WI
  • Average wind speed in September: 10.8mph

The windiest month (with the highest average wind speed) is December (13.8mph).
The calmest month (with the lowest average wind speed) is July (8.8mph).

Average humidity in September
Maplewood, WI

Average humidity in September - Maplewood, WI
  • Average humidity in September: 79%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is November (76%).

Average rainfall in September
Maplewood, WI

Average rainfall in September - Maplewood, WI
  • Average rainfall in September: 2.05"

The wettest month (with the highest rainfall) is July (2.99").
The driest month (with the least rainfall) is January (0.94").

Average rainfall days in September
Maplewood, WI

Average rainfall days in September - Maplewood, WI
  • Average rainfall days in September: 12.8 days

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (3.4 days).

Average snowfall in September
Maplewood, WI

Average snowfall in September - Maplewood, WI
  • Average snowfall in September: 0"

The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Maplewood, WI

Average snowfall days in September - Maplewood, WI
  • 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
Maplewood, WI

Average daylight in September / Average sunshine in September - Maplewood, WI
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in September: 8h and 5min

The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days in September
Maplewood, WI

Average sunshine days in September - Maplewood, WI
  • Average sunshine days in September: 15.4 days

The month with the most sunshine days is March (17.3 days).
The month with the least sunshine days is August (12.3 days).

Average UV index in September
Maplewood, WI

Average UV index in September - Maplewood, WI
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, March and December (UV index 1).

Average cloud cover in September
Maplewood, WI

Average cloud cover in September - Maplewood, WI
  • Average cloud cover in September: 31

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in September
Maplewood, WI

Average visibility in September - Maplewood, WI
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Maplewood, Wisconsin, USA

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