September weather forecast
Washington Island, WI

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Weather in September

September's charm in Washington Island, Wisconsin lies in the delicate balance it strikes between summer and fall. Temperatures become more mild, averaging at a high of approximately 67.3°F (19.6°C), Marching on from August’s temperate climate, September ushers in a drop in temperature. The falling leaves in shades of orange and yellow provide a picturesque testimony to the onset of autumn. As the month progresses, the shortening daylight hours and cooling temperature act as indicators of the impending shift towards a colder season. Despite these changing conditions, outdoor activities remain popular as residents make the most of the dwindling warmth.

Temperature

September witnesses a gentle descent in average high-temperature, descending from August's warm 75.4°F (24.1°C) to a comfortable 67.3°F (19.6°C). Washington Island encounters a steady low-temperature average of 50.4°F (10.2°C) throughout the month of September.

Rainfall

The wettest months in Washington Island, Wisconsin, are August and September, with an average 3.23" (82mm) of rainfall.

Snowfall

In Washington Island, snow does not fall in June through September.

Daylight

In September, the average length of the day is 12h and 31min.
On the first day of the month, sunrise is at 6:10 am and sunset at 7:24 pm. On the last day of September, in Washington Island, Wisconsin, sunrise is at 6:45 am and sunset at 6:29 pm CDT.
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Frequently asked questions

What are the temperatures in Washington Island in September?

The high-temperature in Washington Island, Wisconsin, during September is 67.3°F (19.6°C) and the low-temperature is 50.4°F (10.2°C).

What is the rainiest month in Washington Island?

The wettest months in Washington Island, Wisconsin, are August and September, with an average 3.23" (82mm) of rainfall.

How much does it rain in Washington Island in September?

In Washington Island, in September, during 9.6 rainfall days, 3.23" (82mm) of precipitation is typically accumulated.

When it does not snow in Washington Island?

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

Does it snow in Washington Island in September?

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

How many hours of daylight does Washington Island have in September?

In Washington Island, Wisconsin, the average day length in September is 12h and 31min.

What time are sunrise and sunset in September in Washington Island?

On the first day of September in Washington Island, sunrise is at 6:10 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 6:29 pm CDT.
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Average temperature in September
Washington Island, WI

Average temperature in September - Washington Island, WI
  • Average high temperature in September: 67.3°F

The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (25.9°F).

  • Average low temperature in September: 50.4°F

The month with the highest average low temperature is August (57.2°F).
The coldest month (with the lowest average low temperature) is January (11.1°F).

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Average rainfall in September
Washington Island, WI

Average rainfall in September - Washington Island, WI
  • Average rainfall in September: 3.2"

The wettest months (with the highest rainfall) are June, August and September (3.2").
The driest month (with the least rainfall) is February (0.9").

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Average rainfall days in September
Washington Island, WI

Average rainfall days in September - Washington Island, WI
  • Average rainfall days in September: 9.6 days

The month with the highest number of rainy days is September (9.6 days).
The month with the least rainy days is February (5.5 days).

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Average snowfall in September
Washington Island, WI

Average snowfall in September - Washington Island, WI
  • Average snowfall in September: 0"

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

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Average daylight in September
Washington Island, WI

Average daylight in September - Washington Island, WI
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

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Washington Island, Wisconsin, USA

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