September weather forecast
Okauchee Lake, WI

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Weather in September

September, the first month of the autumn in Okauchee Lake, is also an agreeable month, with temperature in the range of an average low of 52.7°F (11.5°C) and an average high of 71.1°F (21.7°C).

Temperature

The average high-temperature slightly decreases in September, shifting from a moderately hot 77.4°F (25.2°C) in August to an agreeable 71.1°F (21.7°C). During the month of September, an average temperature of 52.7°F (11.5°C) is noted during the nights in Okauchee Lake.

Humidity

The average relative humidity in September in Okauchee Lake is 81%.

Rainfall

In Okauchee Lake, in September, during 10.5 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. In Okauchee Lake, during the entire year, the rain falls for 117.9 days and collects up to 13.82" (351mm) of precipitation.

Snowfall

In Okauchee Lake, snow does not fall in May through September.

Daylight

In Okauchee Lake, the average length of the day in September is 12h and 29min.
On the first day of September in Okauchee Lake, sunrise is at 6:18 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:36 pm CDT.

Sunshine

The average sunshine in September in Okauchee Lake is 8.6h.

UV index

In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 3 during September leads to these advisories:
Act with care - The need to guard against sun damage is communicated. It's recommended to limit sun exposure when its radiation is at its peak during midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Okauchee Lake in September?

In Okauchee Lake, in September, the average high-temperature is 71.1°F (21.7°C), and the average low-temperature is 52.7°F (11.5°C).

What is the average humidity in September in Okauchee Lake?

In Okauchee Lake, Wisconsin, the average relative humidity in September is 81%.

How much does it rain in Okauchee Lake in September?

In Okauchee Lake, Wisconsin, in September, it is raining for 10.5 days, with typically 0.98" (25mm) of accumulated precipitation.

When it does not snow in Okauchee Lake?

May through September are months without snowfall in Okauchee Lake.

Does it snow in Okauchee Lake in September?

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

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

The average day length in September in Okauchee Lake, Wisconsin, is 12h and 29min.

When is the sunrise / sunset in September in Okauchee Lake?

On the first day of September in Okauchee Lake, Wisconsin, sunrise is at 6:18 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:36 pm CDT.

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

The average sunshine duration in September is 8.6h.

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

In September, the average daily maximum UV index in Okauchee Lake, Wisconsin, is 3. A UV Index of 3 to 5 symbolizes 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
Okauchee Lake, WI

Average temperature in September - Okauchee Lake, WI
  • Average high temperature in September: 71.1°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (24.3°F).

  • Average low temperature in September: 52.7°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).

Average pressure in September
Okauchee Lake, WI

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

The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in September
Okauchee Lake, WI

Average wind speed in September - Okauchee Lake, WI
  • Average wind speed in September: 7.4mph

The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in September
Okauchee Lake, WI

Average humidity in September - Okauchee Lake, WI
  • Average humidity in September: 81%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (76%).

Average rainfall in September
Okauchee Lake, WI

Average rainfall in September - Okauchee Lake, WI
  • Average rainfall in September: 0.98"

The wettest month (with the highest rainfall) is July (1.85").
The driest months (with the least rainfall) are February and December (0.59").

Average rainfall days in September
Okauchee Lake, WI

Average rainfall days in September - Okauchee Lake, WI
  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is July (14.7 days).
The month with the least rainy days is January (2.8 days).

Average snowfall in September
Okauchee Lake, WI

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

The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Okauchee Lake, WI

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

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • 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 18min).

Average sunshine days in September
Okauchee Lake, WI

Average sunshine days in September - Okauchee Lake, WI
  • Average sunshine days in September: 16.9 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (11.7 days).

Average UV index in September
Okauchee Lake, WI

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

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

Average cloud cover in September
Okauchee Lake, WI

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

The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July, August and September (Cloud cover 34).

Average visibility in September
Okauchee Lake, WI

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

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

Okauchee Lake, Wisconsin, USA

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