September weather forecast
Sauk City, WI

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Weather in September

September, the first month of the autumn in Sauk City, is also an agreeable month, with an average temperature ranging between min 51.3°F (10.7°C) and max 70.7°F (21.5°C).

Temperature

The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's warm 77.7°F (25.4°C) to a pleasant 70.7°F (21.5°C). Sauk City experiences a consistent average temperature of 51.3°F (10.7°C) throughout the nights in September.

Humidity

The average relative humidity in September in Sauk City is 80%.

Rainfall

In Sauk City, in September, it is raining for 9.7 days, with typically 1.57" (40mm) of accumulated precipitation. In Sauk City, during the entire year, the rain falls for 122.6 days and collects up to 16.02" (407mm) of precipitation.

Snowfall

In Sauk City, snow does not fall in May through September.

Daylight

In September, the average length of the day in Sauk City is 12h and 29min.
On the first day of the month, sunrise is at 6:23 am and sunset at 7:33 pm. On the last day of September, in Sauk City, Wisconsin, sunrise is at 6:56 am and sunset at 6:41 pm CDT.

Sunshine

In Sauk City, the average sunshine in September is 8.8h.

UV index

In September, the average daily maximum UV index in Sauk City is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 3 during September translates into the following directions:
Undertake precautions - Guarding against sun damage is counselled. To protect against the Sun's most potent rays, avoid direct exposure around midday. Enhance your sun protection with tightly woven, yet airy clothing.
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Frequently asked questions

What is the average September temperature in Sauk City?

In September, the average high-temperature and low-temperature are 70.7°F (21.5°C) and 51.3°F (10.7°C) respectively.

What is the average humidity in September in Sauk City?

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

How many days does it rain in September in Sauk City?

In Sauk City, Wisconsin, in September, it is raining for 9.7 days, with typically 1.57" (40mm) of accumulated precipitation.

When it does not snow in Sauk City?

In Sauk City, snow does not fall in May through September.

Does it snow in Sauk City in September?

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

How many hours of daylight does Sauk City have in September?

The average day length in September is 12h and 29min.

What time are sunrise and sunset in September in Sauk City?

In September, on the first day of the month, sunrise is at 6:23 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:41 pm CDT.

How long on average sun shines in September in Sauk City?

In September, the average sunshine duration in Sauk City is 8.8h.

What is the UV index reading in September in Sauk City?

The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's 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
Sauk City, WI

Average temperature in September - Sauk City, WI
  • Average high temperature in September: 70.7°F

The warmest month (with the highest average high temperature) is July (79.2°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 (61.2°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).

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Average pressure in September
Sauk City, WI

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

The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in September
Sauk City, WI

Average wind speed in September - Sauk City, WI
  • Average wind speed in September: 7.4mph

The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average humidity in September
Sauk City, WI

Average humidity in September - Sauk City, WI
  • Average humidity in September: 80%

The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and October (77%).

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Average rainfall in September
Sauk City, WI

Average rainfall in September - Sauk City, WI
  • Average rainfall in September: 1.57"

The wettest month (with the highest rainfall) is June (2.48").
The driest month (with the least rainfall) is January (0.51").

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Average rainfall days in September
Sauk City, WI

Average rainfall days in September - Sauk City, WI
  • Average rainfall days in September: 9.7 days

The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (3.1 days).

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Average snowfall in September
Sauk City, WI

Average snowfall in September - Sauk City, WI
  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.8").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Sauk City, WI

Average snowfall days in September - Sauk City, WI
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Sauk City, WI

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

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

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Average sunshine days in September
Sauk City, WI

Average sunshine days in September - Sauk City, WI
  • Average sunshine days in September: 18.5 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is June (9.9 days).

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Average UV index in September
Sauk City, WI

Average UV index in September - Sauk City, WI
  • Average UV index in September: 3

The month with the highest UV index is July (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
Sauk City, WI

Average cloud cover in September - Sauk City, WI
  • Average cloud cover in September: 34

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in September
Sauk City, WI

Average visibility in September - Sauk City, WI
  • Average visibility in September: 5mi

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

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Sauk City, Wisconsin, USA

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