September weather forecast
Campbellsport, WI

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Weather in September

September, the first month of the autumn in Campbellsport, is still a pleasant month, with temperature in the range of an average low of 53.2°F (11.8°C) and an average high of 69.6°F (20.9°C).

Temperature

The transition to September results in a modest reduction in average high-temperature, moving from a moderately hot 75.7°F (24.3°C) in August to an agreeable 69.6°F (20.9°C). During the month of September, the temperature in Campbellsport falls to an average of 53.2°F (11.8°C).

Humidity

In Campbellsport, the average relative humidity in September is 81%.

Rainfall

In Campbellsport, during September, the rain falls for 12.3 days and regularly aggregates up to 2.32" (59mm) of precipitation. In Campbellsport, during the entire year, the rain falls for 136.9 days and collects up to 25.94" (659mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 29min.
On the first day of the month, sunrise is at 6:17 am and sunset at 7:28 pm. On the last day of September, sunrise is at 6:50 am and sunset at 6:35 pm CDT.

Sunshine

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

UV index

In Campbellsport, Wisconsin, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 3 in September interprets into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. When the Sun is at its strongest around midday, find shade and limit exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
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 Campbellsport?

During September, Campbellsport experiences an average high-temperature of 69.6°F (20.9°C) and a low-temperature of 53.2°F (11.8°C).

What is the average humidity in September in Campbellsport?

In Campbellsport, the average relative humidity in September is 81%.

How much does it rain in Campbellsport in September?

In Campbellsport, in September, it is raining for 12.3 days, with typically 2.32" (59mm) of accumulated precipitation.

When it does not snow in Campbellsport?

May through September are months without snowfall in Campbellsport, Wisconsin.

Does it snow in Campbellsport in September?

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

How many hours of daylight does Campbellsport have in September?

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

What time are sunrise and sunset in September in Campbellsport?

In September, on the first day of the month, sunrise is at 6:17 am and sunset at 7:28 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 Campbellsport?

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

How high is the UV index in September in Campbellsport?

The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
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
Campbellsport, WI

Average temperature in September - Campbellsport, WI
  • Average high temperature in September: 69.6°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (23.9°F).

  • Average low temperature in September: 53.2°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).

Average pressure in September
Campbellsport, WI

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

The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in September
Campbellsport, WI

Average wind speed in September - Campbellsport, WI
  • Average wind speed in September: 8.1mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

Average humidity in September
Campbellsport, WI

Average humidity in September - Campbellsport, 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 (77%).

Average rainfall in September
Campbellsport, WI

Average rainfall in September - Campbellsport, WI
  • Average rainfall in September: 2.32"

The wettest months (with the highest rainfall) are May and June (3.23").
The driest month (with the least rainfall) is February (1.06").

Average rainfall days in September
Campbellsport, WI

Average rainfall days in September - Campbellsport, WI
  • Average rainfall days in September: 12.3 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is February (3.8 days).

Average snowfall in September
Campbellsport, WI

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

The month with the highest snowfall is January (4.53").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Campbellsport, WI

Average snowfall days in September - Campbellsport, WI
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Campbellsport, WI

Average daylight in September / Average sunshine in September - Campbellsport, 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: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days in September
Campbellsport, WI

Average sunshine days in September - Campbellsport, WI
  • Average sunshine days in September: 15.7 days

The month with the most sunshine days is December (15.9 days).
The month with the least sunshine days is April (11.4 days).

Average UV index in September
Campbellsport, WI

Average UV index in September - Campbellsport, WI
  • Average UV index in September: 3

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

Average cloud cover in September
Campbellsport, WI

Average cloud cover in September - Campbellsport, WI
  • Average cloud cover in September: 32

The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 31).

Average visibility in September
Campbellsport, WI

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

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

Campbellsport, Wisconsin, USA

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