September weather forecast
Foster Junction, WI

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Weather in September

September, the first month of the autumn in Foster Junction, is also an enjoyable month, with temperature in the range of an average high of 66.7°F (19.3°C) and an average low of 50°F (10°C).

Temperature

Foster Junction, Wisconsin, observes a small decrease in the average high-temperature with the arrival of September, falling from August's moderately hot 74.7°F (23.7°C) to a comfortable 66.7°F (19.3°C). An average temperature of 50°F (10°C) is recorded in Foster Junction during the nights in September.

Humidity

In Foster Junction, the average relative humidity in September is 78%.

Rainfall

In Foster Junction, in September, it is raining for 13.2 days, with typically 1.54" (39mm) of accumulated precipitation. Throughout the year, there are 120.3 rainfall days, and 21.65" (550mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Foster Junction.

Daylight

In September, the average length of the day is 12h and 32min.
On the first day of the month, sunrise is at 6:24 am and sunset at 7:40 pm. On the last day of September, in Foster Junction, sunrise is at 7:01 am and sunset at 6:44 pm CDT.

Sunshine

The average sunshine in September is 8.5h.

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 unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 4 in September translates into this advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

What is the usual temperature for Foster Junction in September?

The average high-temperature and low-temperature in Foster Junction during September are 66.7°F (19.3°C) and 50°F (10°C) respectively.

What is the average humidity in September in Foster Junction?

The average relative humidity in September is 78%.

How much does it rain in Foster Junction in September?

In September, the rain falls for 13.2 days. Throughout September, 1.54" (39mm) of precipitation is accumulated.

When it does not snow in Foster Junction?

June through September are months without snowfall in Foster Junction.

Does it snow in Foster Junction in September?

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

What is the average length of the day in September in Foster Junction?

In Foster Junction, the average day length in September is 12h and 32min.

What time are sunrise and sunset in September in Foster Junction?

On the first day of September in Foster Junction, Wisconsin, sunrise is at 6:24 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:44 pm CDT.

How long on average sun shines in September in Foster Junction?

In Foster Junction, the average sunshine duration in September is 8.5h.

What is the UV index intensity in September in Foster Junction?

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes 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
Foster Junction, WI

Average temperature in September - Foster Junction, WI
  • Average high temperature in September: 66.7°F

The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (19°F).

  • Average low temperature in September: 50°F

The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).

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Average pressure in September
Foster Junction, WI

Average pressure in September - Foster Junction, 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).

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Average wind speed in September
Foster Junction, WI

Average wind speed in September - Foster Junction, WI
  • Average wind speed in September: 8mph

The windiest month (with the highest average wind speed) is November (9.5mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).

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Average humidity in September
Foster Junction, WI

Average humidity in September - Foster Junction, WI
  • Average humidity in September: 78%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (72%).

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Average rainfall in September
Foster Junction, WI

Average rainfall in September - Foster Junction, WI
  • Average rainfall in September: 1.54"

The wettest month (with the highest rainfall) is May (2.48").
The driest months (with the least rainfall) are January and February (1.22").

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Average rainfall days in September
Foster Junction, WI

Average rainfall days in September - Foster Junction, WI
  • Average rainfall days in September: 13.2 days

The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is January (2.5 days).

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Average snowfall in September
Foster Junction, WI

Average snowfall in September - Foster Junction, WI
  • Average snowfall in September: 0"

The month with the highest snowfall is December (10.04").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Foster Junction, WI

Average snowfall days in September - Foster Junction, WI
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (24.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Foster Junction, WI

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

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).

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Average sunshine days in September
Foster Junction, WI

Average sunshine days in September - Foster Junction, WI
  • Average sunshine days in September: 14.3 days

The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is January (6.8 days).

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Average UV index in September
Foster Junction, WI

Average UV index in September - Foster Junction, WI
  • Average UV index in September: 4

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).

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Average cloud cover in September
Foster Junction, WI

Average cloud cover in September - Foster Junction, WI
  • Average cloud cover in September: 38

The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in September
Foster Junction, WI

Average visibility in September - Foster Junction, WI
  • Average visibility in September: 6mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (4mi).

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Foster Junction, Wisconsin, USA

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