September weather forecast
Greenbush, WI

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Weather in September

September, the first month of the autumn in Greenbush, is also an agreeable month, with an average temperature ranging between min 54.3°F (12.4°C) and max 69.3°F (20.7°C).

Temperature

As September arrives, Greenbush's weather displays a minor decrease in high-temperatures, transitioning from August's warm 76.3°F (24.6°C) to an agreeable 69.3°F (20.7°C). During the month of September, the temperature falls to an average of 54.3°F (12.4°C).

Humidity

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

Rainfall

In Greenbush, in September, it is raining for 13.7 days, with typically 2.36" (60mm) of accumulated precipitation. In Greenbush, during the entire year, the rain falls for 146 days and collects up to 29.17" (741mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September in Greenbush is 12h and 29min.
On the first day of the month, sunrise is at 6:16 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:49 am and sunset at 6:34 pm CDT.

Sunshine

In September, the average sunshine is 8.9h.

UV index

The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 3 during September leads to these advisories:
Adopt protective measures - It is advised to guard against sun damage. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Greenbush in September?

In Greenbush, in September, the average high-temperature is 69.3°F (20.7°C), and the average low-temperature is 54.3°F (12.4°C).

What is the average humidity in September in Greenbush?

The average relative humidity in September is 80%.

How many days does it rain in September in Greenbush?

In Greenbush, Wisconsin, in September, during 13.7 rainfall days, 2.36" (60mm) of precipitation is typically accumulated.

When it does not snow in Greenbush?

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

Does it snow in Greenbush in September?

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

How many hours of daylight does Greenbush have in September?

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

When are sunrise and sunset in September in Greenbush?

On the first day of September in Greenbush, sunrise is at 6:16 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:34 pm CDT.

How long on average sun shines in September in Greenbush?

In Greenbush, Wisconsin, the average sunshine duration in September is 8.9h.

How high is the UV index in September in Greenbush?

In Greenbush, Wisconsin, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health risk from unsafe 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
Greenbush, WI

Average temperature in September - Greenbush, WI
  • Average high temperature in September: 69.3°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 (23.9°F).

  • Average low temperature in September: 54.3°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).

Average pressure in September
Greenbush, WI

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

The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in September
Greenbush, WI

Average wind speed in September - Greenbush, WI
  • Average wind speed in September: 8.3mph

The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

Average humidity in September
Greenbush, WI

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

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is April (77%).

Average rainfall in September
Greenbush, WI

Average rainfall in September - Greenbush, WI
  • Average rainfall in September: 2.36"

The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is February (1.3").

Average rainfall days in September
Greenbush, WI

Average rainfall days in September - Greenbush, WI
  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (3.8 days).

Average snowfall in September
Greenbush, WI

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

The month with the highest snowfall is January (4.49").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Greenbush, WI

Average snowfall days in September - Greenbush, 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).

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

Average daylight in September / Average sunshine in September - Greenbush, 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 5min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).

Average sunshine days in September
Greenbush, WI

Average sunshine days in September - Greenbush, WI
  • Average sunshine days in September: 14.4 days

The month with the most sunshine days is December (15.8 days).
The month with the least sunshine days is July (10.1 days).

Average UV index in September
Greenbush, WI

Average UV index in September - Greenbush, 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 and December (UV index 1).

Average cloud cover in September
Greenbush, WI

Average cloud cover in September - Greenbush, WI
  • Average cloud cover in September: 31

The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 30).

Average visibility in September
Greenbush, WI

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

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

Greenbush, Wisconsin, USA

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