September weather forecast
Marshfield, WI

Weather in September

September, the first month of the autumn in Marshfield, is still a pleasant month, with an average temperature fluctuating between 50°F (10°C) and 68.9°F (20.5°C).

Temperature

In September, the average high-temperature slightly decreases from a warm 76.1°F (24.5°C) in August to an agreeable 68.9°F (20.5°C). In Marshfield, in September, the average low-temperature is 50°F (10°C).

Humidity

In September, the average relative humidity is 80%.

Rainfall

In Marshfield, it is raining for 12.4 days, with typically 1.77" (45mm) of accumulated precipitation. In Marshfield, during the entire year, the rain falls for 138.3 days and collects up to 25.12" (638mm) of precipitation.

Snowfall

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

Daylight

In Marshfield, the average length of the day in September is 12h and 30min.
On the first day of September in Marshfield, sunrise is at 6:23 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:43 pm CDT.

Sunshine

In September, the average sunshine in Marshfield is 8.5h.

UV index

In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 3 in September transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Marshfield?

In September, in Marshfield, the average high-temperature is 68.9°F (20.5°C), and the average low-temperature is 50°F (10°C).

What is the average humidity in September in Marshfield?

The average relative humidity in September is 80%.

How much does it rain in Marshfield in September?

In Marshfield, Wisconsin, in September, it is raining for 12.4 days, with typically 1.77" (45mm) of accumulated precipitation.

When it does not snow in Marshfield?

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

Does it snow in Marshfield in September?

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

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

In Marshfield, the average day length in September is 12h and 30min.

When is the sunrise / sunset in September in Marshfield?

On the first day of September in Marshfield, Wisconsin, sunrise is at 6:23 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:43 pm CDT.

How many hours of sunshine does Marshfield have in September?

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

How high is the UV index in September in Marshfield?

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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Marshfield, WI

Average temperature in September - Marshfield, WI
  • Average high temperature in September: 68.9°F

The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (19.6°F).

  • Average low temperature in September: 50°F

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).

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Average pressure in September
Marshfield, WI

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

The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in September
Marshfield, WI

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

The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

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Average humidity in September
Marshfield, WI

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

The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is April (77%).

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Average rainfall in September
Marshfield, WI

Average rainfall in September - Marshfield, WI
  • Average rainfall in September: 1.77"

The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is January (1.18").

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Average rainfall days in September
Marshfield, WI

Average rainfall days in September - Marshfield, WI
  • Average rainfall days in September: 12.4 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (3.8 days).

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Average snowfall in September
Marshfield, WI

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

The month with the highest snowfall is February (7.05").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Marshfield, WI

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

The month with the highest number of snowfall days is January (18.8 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
Marshfield, WI

Average daylight in September / Average sunshine in September - Marshfield, WI
  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 31min).
The month with the shortest days is December (Average daylight: 8h and 53min).

  • Average sunshine in September: 8h and 30min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

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Average sunshine days in September
Marshfield, WI

Average sunshine days in September - Marshfield, WI
  • Average sunshine days in September: 15.9 days

The month with the most sunshine days is September (15.9 days).
The month with the least sunshine days is June (10.1 days).

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Average UV index in September
Marshfield, WI

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

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, November and December (UV index 1).

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Average cloud cover in September
Marshfield, WI

Average cloud cover in September - Marshfield, WI
  • Average cloud cover in September: 37

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

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Average visibility in September
Marshfield, WI

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

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

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