September weather forecast
Port Wing, WI

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Weather in September

September, the first month of the autumn in Port Wing, is still a refreshing month, with an average temperature ranging between min 52.5°F (11.4°C) and max 65.3°F (18.5°C).

Temperature

During the shift to September, Port Wing records a mild decrease in average high-temperature, moving from an agreeable 72.5°F (22.5°C) in August to an enjoyable 65.3°F (18.5°C). An average low-temperature of 52.5°F (11.4°C) is noted during the nights in September in Port Wing, Wisconsin.

Humidity

In Port Wing, the average relative humidity in September is 78%.

Rainfall

In September, the rain falls for 12.5 days. Throughout September, 1.77" (45mm) of precipitation is accumulated. In Port Wing, during the entire year, the rain falls for 127.9 days and collects up to 22.56" (573mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in September in Port Wing is 12h and 32min.
On the first day of September in Port Wing, Wisconsin, sunrise is at 6:26 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:46 pm CDT.

Sunshine

The average sunshine in September in Port Wing is 8.9h.

UV index

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 4 during September translates into the following recommendations:
Exercise prevention - Warding off sunburn is urged. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in Port Wing?

Port Wing in September has an average high-temperature of 65.3°F (18.5°C) and an average low-temperature of 52.5°F (11.4°C).

What is the average humidity in September in Port Wing?

In Port Wing, Wisconsin, the average relative humidity in September is 78%.

How many days does it rain in September in Port Wing?

In Port Wing, Wisconsin, in September, during 12.5 rainfall days, 1.77" (45mm) of precipitation is typically accumulated.

When it does not snow in Port Wing?

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

Does it snow in Port Wing in September?

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

How many hours of daylight does Port Wing have in September?

The average day length in September is 12h and 32min.

When is the sunrise / sunset in September in Port Wing?

On the first day of September, sunrise is at 6:26 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:46 pm CDT.

How long on average sun shines in September in Port Wing?

In September, the average sunshine duration in Port Wing, Wisconsin, is 8.9h.

What is the UV index intensity in September in Port Wing?

In Port Wing, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk 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
Port Wing, WI

Average temperature in September - Port Wing, WI
  • Average high temperature in September: 65.3°F

The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is January (20.3°F).

  • Average low temperature in September: 52.5°F

The month with the highest average low temperature is August (57.9°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

Average pressure in September
Port Wing, WI

Average pressure in September - Port Wing, WI
  • Average pressure in September: 30"Hg

The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in September
Port Wing, WI

Average wind speed in September - Port Wing, WI
  • Average wind speed in September: 8.7mph

The windiest months (with the highest average wind speed) are January and December (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).

Average humidity in September
Port Wing, WI

Average humidity in September - Port Wing, WI
  • Average humidity in September: 78%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is May (75%).

Average rainfall in September
Port Wing, WI

Average rainfall in September - Port Wing, WI
  • Average rainfall in September: 1.77"

The wettest months (with the highest rainfall) are May and July (2.56").
The driest months (with the least rainfall) are January and February (1.06").

Average rainfall days in September
Port Wing, WI

Average rainfall days in September - Port Wing, WI
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (3.6 days).

Average snowfall in September
Port Wing, WI

Average snowfall in September - Port Wing, WI
  • Average snowfall in September: 0"

The month with the highest snowfall is January (6.85").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Port Wing, WI

Average snowfall days in September - Port Wing, WI
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (22.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Port Wing, WI

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

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).

Average sunshine days in September
Port Wing, WI

Average sunshine days in September - Port Wing, WI
  • Average sunshine days in September: 15.1 days

The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is December (8.7 days).

Average UV index in September
Port Wing, WI

Average UV index in September - Port Wing, WI
  • Average UV index in September: 4

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
Port Wing, WI

Average cloud cover in September - Port Wing, WI
  • Average cloud cover in September: 35

The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in September
Port Wing, WI

Average visibility in September - Port Wing, 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).

Port Wing, Wisconsin, USA

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