September weather forecast
Theresa, WI

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Weather in September

September, the first month of the autumn in Theresa, is still a pleasant month, with temperature in the range of an average low of 51.3°F (10.7°C) and an average high of 70.2°F (21.2°C).

Temperature

September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's warm 76.6°F (24.8°C) to a pleasant 70.2°F (21.2°C). Throughout September, Theresa registers a consistent average low-temperature of 51.3°F (10.7°C).

Humidity

In September, the average relative humidity is 82%.

Rainfall

In Theresa, during September, the rain falls for 12.4 days and regularly aggregates up to 1.97" (50mm) of precipitation. In Theresa, during the entire year, the rain falls for 124.2 days and collects up to 20.43" (519mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in September in Theresa is 12h and 29min.
On the first day of the month, sunrise is at 6:18 am and sunset at 7:28 pm. On the last day of September, in Theresa, sunrise is at 6:51 am and sunset at 6:36 pm CDT.

Sunshine

The average sunshine in September is 8.2h.

UV index

In September, the average daily maximum UV index in Theresa is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

What is the usual temperature for Theresa in September?

Theresa in September has an average high-temperature of 70.2°F (21.2°C) and an average low-temperature of 51.3°F (10.7°C).

What is the average humidity in September in Theresa?

The average relative humidity in September is 82%.

How much does it rain in Theresa in September?

In September, in Theresa, the rain falls for 12.4 days. Throughout September, 1.97" (50mm) of precipitation is accumulated.

When it does not snow in Theresa?

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

Does it snow in Theresa in September?

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

How many hours of daylight does Theresa have in September?

In Theresa, the average day length in September is 12h and 29min.

When are sunrise and sunset in September in Theresa?

In September, on the first day of the month, sunrise is at 6:18 am and sunset at 7:28 pm. On the last day of the month, in Theresa, Wisconsin, sunrise is at 6:51 am and sunset at 6:36 pm CDT.

How many hours of sunshine does Theresa have in September?

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

How high is the UV index in September in Theresa?

In Theresa, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
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
Theresa, WI

Average temperature in September - Theresa, WI
  • Average high temperature in September: 70.2°F

The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (22.6°F).

  • Average low temperature in September: 51.3°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

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Average pressure in September
Theresa, WI

Average pressure in September - Theresa, WI
  • Average pressure in September: 30.03"Hg

The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in September
Theresa, WI

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

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).

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Average humidity in September
Theresa, WI

Average humidity in September - Theresa, WI
  • Average humidity in September: 82%

The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in September
Theresa, WI

Average rainfall in September - Theresa, WI
  • Average rainfall in September: 1.97"

The wettest months (with the highest rainfall) are May and June (2.6").
The driest months (with the least rainfall) are February and December (0.83").

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Average rainfall days in September
Theresa, WI

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

The month with the highest number of rainy days is July (16.2 days).
The months with the least rainy days are January and February (3.1 days).

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Average snowfall in September
Theresa, WI

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

The month with the highest snowfall is January (3.35").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Theresa, WI

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

The month with the highest number of snowfall days is January (13.4 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
Theresa, WI

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in September: 8h and 1min

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
Theresa, WI

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

The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is July (11.7 days).

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Average UV index in September
Theresa, WI

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

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

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Average cloud cover in September
Theresa, WI

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

The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 36).

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Average visibility in September
Theresa, WI

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

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

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Theresa, Wisconsin, USA

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