September weather forecast
Chenequa, WI

Share

Weather in September

The first month of the autumn, September, is also an agreeable month in Chenequa, Wisconsin, with an average temperature fluctuating between 52.7°F (11.5°C) and 71.1°F (21.7°C).

Temperature

In September, the meteorological conditions change slightly, with the average high-temperature moving from a warm 77.4°F (25.2°C) in August to an agreeable 71.1°F (21.7°C). Chenequa observes an average nighttime low-temperature of 52.7°F (11.5°C) during the month of September.

Humidity

In September, the average relative humidity is 81%.

Rainfall

In Chenequa, Wisconsin, in September, during 10.5 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. Throughout the year, there are 117.9 rainfall days, and 13.82" (351mm) of precipitation is accumulated.

Snowfall

In Chenequa, Wisconsin, snow does not fall in May 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 6:18 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:50 am and sunset at 6:35 pm CDT.

Sunshine

In September, the average sunshine 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 moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

The average high-temperature and low-temperature during September are 71.1°F (21.7°C) and 52.7°F (11.5°C) respectively.

What is the average humidity in September?

In September, the average relative humidity is 81%.

How much does it rain in Chenequa in September?

In September, the rain falls for 10.5 days. Throughout September, 0.98" (25mm) of precipitation is accumulated.

When it does not snow in Chenequa?

In Chenequa, snow does not fall in May through September.

Does it snow in September?

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

What is the average length of the day in September?

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

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:18 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:35 pm CDT.

How long on average sun shines in September?

In September, the average sunshine duration is 8.6h.

What is the UV index reading in September?

The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents 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
Chenequa, WI

Average temperature in September - Chenequa, 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
Chenequa, WI

Average pressure in September - Chenequa, 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
Chenequa, WI

Average wind speed in September - Chenequa, 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
Chenequa, WI

Average humidity in September - Chenequa, 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
Chenequa, WI

Average rainfall in September - Chenequa, 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
Chenequa, WI

Average rainfall days in September - Chenequa, 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
Chenequa, WI

Average snowfall in September - Chenequa, 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
Chenequa, WI

Average snowfall days in September - Chenequa, 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
Chenequa, WI

Average daylight in September / Average sunshine in September - Chenequa, 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
Chenequa, WI

Average sunshine days in September - Chenequa, 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
Chenequa, WI

Average UV index in September - Chenequa, 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
Chenequa, WI

Average cloud cover in September - Chenequa, 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
Chenequa, WI

Average visibility in September - Chenequa, 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).

Chenequa, Wisconsin, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location