September weather forecast
Lake Wisconsin, WI

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Weather in September

The first month of the autumn, September, is still a pleasant month in Lake Wisconsin, Wisconsin, with temperature in the range of an average high of 71.1°F (21.7°C) and an average low of 51.4°F (10.8°C).

Temperature

September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's warm 77.4°F (25.2°C) to a pleasant 71.1°F (21.7°C). Throughout September, Lake Wisconsin records an average temperature of 51.4°F (10.8°C) at night.

Humidity

The average relative humidity in September in Lake Wisconsin is 80%.

Rainfall

In Lake Wisconsin, in September, it is raining for 11.9 days, with typically 2.64" (67mm) of accumulated precipitation. Throughout the year, in Lake Wisconsin, Wisconsin, there are 138 rainfall days, and 26.5" (673mm) of precipitation is accumulated.

Snowfall

In Lake Wisconsin, snow does not fall in June through September.

Daylight

In Lake Wisconsin, the average length of the day in September is 12h and 29min.
On the first day of the month, sunrise is at 6:23 am and sunset at 7:33 pm. On the last day of September, sunrise is at 6:55 am and sunset at 6:40 pm CDT.

Sunshine

The average sunshine in September in Lake Wisconsin, Wisconsin, is 8.7h.

UV index

In Lake Wisconsin, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 3 in September translates into these instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature in Lake Wisconsin?

During September, Lake Wisconsin experiences an average high-temperature of 71.1°F (21.7°C) and a low-temperature of 51.4°F (10.8°C).

What is the average humidity in September in Lake Wisconsin?

In September, the average relative humidity in Lake Wisconsin is 80%.

How many days does it rain in September in Lake Wisconsin?

In Lake Wisconsin, in September, during 11.9 rainfall days, 2.64" (67mm) of precipitation is typically accumulated.

When it does not snow in Lake Wisconsin?

In Lake Wisconsin, Wisconsin, snow does not fall in June through September.

Does it snow in Lake Wisconsin in September?

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

What is the average length of the day in September in Lake Wisconsin?

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

What time are sunrise and sunset in September in Lake Wisconsin?

On the first day of September, sunrise is at 6:23 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:40 pm CDT.

How long on average sun shines in September in Lake Wisconsin?

In Lake Wisconsin, the average sunshine duration in September is 8.7h.

What is the UV index reading in September in Lake Wisconsin?

In Lake Wisconsin, Wisconsin, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health threat 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
Lake Wisconsin, WI

Average temperature in September - Lake Wisconsin, WI
  • Average high temperature in September: 71.1°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 (22.6°F).

  • Average low temperature in September: 51.4°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).

Average pressure in September
Lake Wisconsin, WI

Average pressure in September - Lake Wisconsin, WI
  • Average pressure in September: 30.03"Hg

The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in September
Lake Wisconsin, WI

Average wind speed in September - Lake Wisconsin, WI
  • Average wind speed in September: 7.5mph

The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in September
Lake Wisconsin, WI

Average humidity in September - Lake Wisconsin, WI
  • Average humidity in September: 80%

The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and October (77%).

Average rainfall in September
Lake Wisconsin, WI

Average rainfall in September - Lake Wisconsin, WI
  • Average rainfall in September: 2.64"

The wettest months (with the highest rainfall) are May and June (3.43").
The driest month (with the least rainfall) is February (1.02").

Average rainfall days in September
Lake Wisconsin, WI

Average rainfall days in September - Lake Wisconsin, WI
  • Average rainfall days in September: 11.9 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (4.1 days).

Average snowfall in September
Lake Wisconsin, WI

Average snowfall in September - Lake Wisconsin, WI
  • Average snowfall in September: 0"

The month with the highest snowfall is January (4.69").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Lake Wisconsin, WI

Average snowfall days in September - Lake Wisconsin, WI
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Lake Wisconsin, WI

Average daylight in September / Average sunshine in September - Lake Wisconsin, WI
  • 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 4min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in September
Lake Wisconsin, WI

Average sunshine days in September - Lake Wisconsin, WI
  • Average sunshine days in September: 17 days

The month with the most sunshine days is September (17 days).
The month with the least sunshine days is June (9.9 days).

Average UV index in September
Lake Wisconsin, WI

Average UV index in September - Lake Wisconsin, WI
  • Average UV index in September: 3

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in September
Lake Wisconsin, WI

Average cloud cover in September - Lake Wisconsin, WI
  • Average cloud cover in September: 34

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in September
Lake Wisconsin, WI

Average visibility in September - Lake Wisconsin, WI
  • Average visibility in September: 5mi

The months with the highest visibility are March, April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, July, August, September and December (5mi).

Lake Wisconsin, Wisconsin, USA

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