September weather forecast
Mosinee, WI

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Weather in September

September, the first month of the autumn in Mosinee, is still a pleasant month, with temperature in the range of an average low of 50°F (10°C) and an average high of 68.5°F (20.3°C).

Temperature

September signifies a minor drop in average high-temperature, transitioning from a warm 75.6°F (24.2°C) in August to an agreeable 68.5°F (20.3°C). Mosinee records a mean low-temperature of 50°F (10°C) in September.

Humidity

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

Rainfall

In Mosinee, in September, during 12 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. Throughout the year, there are 138.6 rainfall days, and 24.49" (622mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Mosinee, the average length of the day in September is 12h and 31min.
On the first day of September, sunrise is at 6:22 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:40 pm CDT.

Sunshine

In September, the average sunshine is 8.4h.

UV index

In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, the maximum UV index of 3 translates into these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. Around midday, solar radiation is most harmful; hence, exposure should be limited. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

Mosinee in September has an average high-temperature of 68.5°F (20.3°C) and an average low-temperature of 50°F (10°C).

What is the average humidity in September?

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

How many days does it rain in September?

In Mosinee, during September, the rain falls for 12 days and regularly aggregates up to 1.61" (41mm) of precipitation.

When it does not snow?

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

Does it snow in September?

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

What is the average length of the day in September?

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

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:22 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:40 pm CDT.

How long on average sun shines in September?

In Mosinee, the average sunshine duration in September is 8.4h.

What is the UV index intensity in September?

In Mosinee, the average daily maximum UV index in September is 3. 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
Mosinee, WI

Average temperature in September - Mosinee, WI
  • Average high temperature in September: 68.5°F

The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (19.8°F).

  • Average low temperature in September: 50°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (8.4°F).

Average pressure in September
Mosinee, WI

Average pressure in September - Mosinee, WI
  • Average pressure in September: 30.02"Hg

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

Average wind speed in September
Mosinee, WI

Average wind speed in September - Mosinee, WI
  • Average wind speed in September: 7.8mph

The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (7mph).

Average humidity in September
Mosinee, WI

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

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is April (76%).

Average rainfall in September
Mosinee, WI

Average rainfall in September - Mosinee, WI
  • Average rainfall in September: 1.61"

The wettest month (with the highest rainfall) is June (3.23").
The driest month (with the least rainfall) is January (1.18").

Average rainfall days in September
Mosinee, WI

Average rainfall days in September - Mosinee, WI
  • Average rainfall days in September: 12 days

The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is January (4.5 days).

Average snowfall in September
Mosinee, WI

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

The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Mosinee, WI

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

The month with the highest number of snowfall days is January (19.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in September
Mosinee, WI

Average sunshine days in September - Mosinee, WI
  • Average sunshine days in September: 16.1 days

The month with the most sunshine days is September (16.1 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in September
Mosinee, WI

Average UV index in September - Mosinee, 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, February, November and December (UV index 1).

Average cloud cover in September
Mosinee, WI

Average cloud cover in September - Mosinee, WI
  • Average cloud cover in September: 38

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in September
Mosinee, WI

Average visibility in September - Mosinee, 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, February, March, July, August, September and December (5mi).

Mosinee, Wisconsin, USA

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