September weather forecast
Augusta, WI

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Weather in September

The first month of the autumn, September, is also an agreeable month in Augusta, Wisconsin, with an average temperature ranging between min 50.2°F (10.1°C) and max 69.4°F (20.8°C).

Temperature

September is marked by a subtle drop in average high-temperatures, transitioning from a moderately hot 76.5°F (24.7°C) in August to a pleasant 69.4°F (20.8°C). The low-temperature averages to a cool 50.2°F (10.1°C) during the nights of September.

Humidity

The average relative humidity in September is 80%.

Rainfall

In Augusta, in September, it is raining for 12.5 days, with typically 2.24" (57mm) of accumulated precipitation. In Augusta, during the entire year, the rain falls for 131.1 days and collects up to 25.51" (648mm) of precipitation.

Snowfall

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

Daylight

In Augusta, Wisconsin, the average length of the day in September is 12h and 30min.
On the first day of September, sunrise is at 6:27 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:46 pm CDT.

Sunshine

In September, the average sunshine is 8.4h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: In September, the maximum UV index of 4 translates into these guidelines:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Updated: Jun 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

The average high-temperature, in September, in Augusta, is 69.4°F (20.8°C), while the average low-temperature is 50.2°F (10.1°C).

What is the average humidity in September?

In September, the average relative humidity is 80%.

How much does it rain in September?

In September, the rain falls for 12.5 days. Throughout September, 2.24" (57mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

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

How many hours of daylight does Augusta have in September?

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

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:27 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:46 pm CDT.

How long on average sun shines in September?

In September, the average sunshine duration is 8.4h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Augusta, WI

Average temperature in September - Augusta, WI
  • Average high temperature in September: 69.4°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 (19.6°F).

  • Average low temperature in September: 50.2°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 (6.8°F).

Average pressure in September
Augusta, WI

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

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

Average wind speed in September
Augusta, WI

Average wind speed in September - Augusta, WI
  • Average wind speed in September: 7.6mph

The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in September
Augusta, WI

Average humidity in September - Augusta, 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%).

Average rainfall in September
Augusta, WI

Average rainfall in September - Augusta, WI
  • Average rainfall in September: 2.24"

The wettest month (with the highest rainfall) is June (4.25").
The driest month (with the least rainfall) is January (0.75").

Average rainfall days in September
Augusta, WI

Average rainfall days in September - Augusta, WI
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is June (18.3 days).
The month with the least rainy days is January (2.1 days).

Average snowfall in September
Augusta, WI

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

The month with the highest snowfall is February (6.22").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Augusta, WI

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

The month with the highest number of snowfall days is January (13.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Augusta, 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 42min).
The months with the least sunshine are January and February (Average sunshine: 2h and 54min).

Average sunshine days in September
Augusta, WI

Average sunshine days in September - Augusta, WI
  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is June (9.4 days).

Average UV index in September
Augusta, WI

Average UV index in September - Augusta, 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).

Average cloud cover in September
Augusta, WI

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

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in September
Augusta, WI

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

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

Augusta, Wisconsin, USA

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