September weather forecast
LaCrosse, WA

Weather in September

September, the first month of the autumn, in LaCrosse, is also a moderately hot month, with average temperature fluctuating between 77.5°F (25.3°C) and 43.5°F (6.4°C).

Temperature

In September, the average high-temperature drops, from a hot 87.3°F (30.7°C) in August, to a warm 77.5°F (25.3°C). In LaCrosse, Washington,, the average low-temperature is 43.5°F (6.4°C).

Rainfall

In September, in LaCrosse, Washington, the rain falls for 4 days. Throughout September, 0.68" (17.3mm) of precipitation is accumulated. Throughout the year, there are 94 rainfall days, and 14.35" (364.6mm) of precipitation is accumulated.

Snowfall

In LaCrosse snow does not fall in May through September.

Daylight

In September, the average length of the day is 12.5h.
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FAQ

How many days does it rain in September in LaCrosse?

In LaCrosse, Washington, in September, during 4 rainfall days, 0.68" (17.3mm) of precipitation is typically accumulated.

When it does not snow in LaCrosse?

In LaCrosse, Washington, snow does not fall in May through September.

Does it snow in LaCrosse in September?

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

What is the average length of the day in September in LaCrosse?

In September, the average length of the day in LaCrosse, Washington, is 12.5h.

Average temperature in September
LaCrosse, WA

Average temperature in September - LaCrosse, WA
  • Average high temperature in September: 77.5°F

The warmest month (with the highest average high temperature) is July (88.8°F).
The month with the lowest average high temperature is January (37.1°F).

  • Average low temperature in September: 43.5°F

The month with the highest average low temperature is July (51.7°F).
The coldest month (with the lowest average low temperature) is January (23.3°F).

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Average rainfall in September
LaCrosse, WA

Average rainfall in September - LaCrosse, WA
  • Average rainfall in September: 0.7"

The wettest month (with the highest rainfall) is December (2.1").
The driest months (with the least rainfall) are July and August (0.4").

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Average rainfall days in September
LaCrosse, WA

Average rainfall days in September - LaCrosse, WA
  • Average rainfall days in September: 4 days

The month with the highest number of rainy days is December (13 days).
Months with the least rainy days are July and August (3 days).

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Average snowfall in September
LaCrosse, WA

Average snowfall in September - LaCrosse, WA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (6.6").
Months with the least snowfall are May, June, July, August and September (0").

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Average daylight in September
LaCrosse, WA

Average daylight in September - LaCrosse, WA
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.8h).
The month with the shortest days is December (Average daylight: 8.6h).

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