September weather forecast
Junction, WI

Weather in September

September, the first month of the autumn in Junction, is also an agreeable month, with temperature in the range of an average low of 49.8°F (9.9°C) and an average high of 69.1°F (20.6°C).

Temperature

In September, the average high-temperature slightly decreases from a warm 76.6°F (24.8°C) in August to an agreeable 69.1°F (20.6°C). In September, the average low-temperature is 49.8°F (9.9°C).

Humidity

In September, the average relative humidity in Junction, Wisconsin, is 80%.

Rainfall

In Junction, during September, the rain falls for 12.8 days and regularly aggregates up to 1.93" (49mm) of precipitation. Throughout the year, in Junction, Wisconsin, there are 128.3 rainfall days, and 25.75" (654mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day in Junction is 12h and 31min.
On the first day of September, sunrise is at 6:25 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:46 pm CDT.

Sunshine

In Junction, the average sunshine in September is 8.2h.

UV index

In September, the average daily maximum UV index in Junction, Wisconsin, is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 4 in September interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Junction?

In September, the average high-temperature is 69.1°F (20.6°C), and the average low-temperature is 49.8°F (9.9°C).

What is the average humidity in September in Junction?

The average relative humidity in September is 80%.

How much does it rain in Junction in September?

In September, in Junction, Wisconsin, the rain falls for 12.8 days. Throughout September, 1.93" (49mm) of precipitation is accumulated.

When it does not snow in Junction?

In Junction, snow does not fall in June through September.

Does it snow in Junction in September?

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

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

The average day length in September in Junction, Wisconsin, is 12h and 31min.

When is the sunrise / sunset in September in Junction?

On the first day of September, sunrise is at 6:25 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:46 pm CDT.

How long on average sun shines in September in Junction?

In Junction, Wisconsin, the average sunshine duration in September is 8.2h.

What is the UV index intensity in September in Junction?

In September, the average daily maximum UV index in Junction is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Junction, WI

Average temperature in September - Junction, WI
  • Average high temperature in September: 69.1°F

The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (19°F).

  • Average low temperature in September: 49.8°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (5.9°F).

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Average pressure in September
Junction, WI

Average pressure in September - Junction, WI
  • Average pressure in September: 30.01"Hg

The month with the highest atmospheric pressure is February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in September
Junction, WI

Average wind speed in September - Junction, WI
  • Average wind speed in September: 7.7mph

The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

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Average humidity in September
Junction, WI

Average humidity in September - Junction, WI
  • Average humidity in September: 80%

The months with the highest relative humidity are January and February (92%).
The months with the lowest relative humidity are April and May (77%).

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Average rainfall in September
Junction, WI

Average rainfall in September - Junction, WI
  • Average rainfall in September: 1.93"

The wettest month (with the highest rainfall) is June (4.02").
The driest month (with the least rainfall) is January (0.83").

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Average rainfall days in September
Junction, WI

Average rainfall days in September - Junction, WI
  • Average rainfall days in September: 12.8 days

The month with the highest number of rainy days is June (18.2 days).
The month with the least rainy days is January (2.2 days).

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Average snowfall in September
Junction, WI

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

The month with the highest snowfall is February (6.57").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Junction, WI

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

The month with the highest number of snowfall days is January (14.8 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
Junction, WI

Average daylight in September / Average sunshine in September - Junction, WI
  • Average daylight in September: 12h and 31min

The month with the longest days is June (Average daylight: 15h and 34min).
The month with the shortest days is December (Average daylight: 8h and 50min).

  • Average sunshine in September: 8h and 12min

The month with the most sunshine is July (Average sunshine: 9h and 24min).
The months with the least sunshine are January and February (Average sunshine: 2h and 36min).

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Average sunshine days in September
Junction, WI

Average sunshine days in September - Junction, WI
  • Average sunshine days in September: 15 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (10.1 days).

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Average UV index in September
Junction, WI

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

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

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Average cloud cover in September
Junction, WI

Average cloud cover in September - Junction, WI
  • Average cloud cover in September: 39

The months with the most cloud cover are January and February (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 37).

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Average visibility in September
Junction, WI

Average visibility in September - Junction, WI
  • Average visibility in September: 5mi

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

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