Cathlamet Weather in September

What's the weather like in Cathlamet (Washington) in September 2024?

The climate in Cathlamet during September can be summarized as mild and reasonably dry.

September is in the fall / autumn in Cathlamet and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 21°C (70°F), whilst at night 8°C (47°F) is normal.

Cathlamet weather averages (imperial / metric)
Daytime temperature 21.2°C 70.2°F
Nightly temperature 8.2°C 46.8°F
Average temperature 14.7°C 58.5°F
Daily sunshine 7.9 hrs
Avg rainfall 67 mm 2.6 ins
Rainy days 10 days
Sea temperature 14.4°C 57.9°F
Humidity 78%
Windspeed 11.9kph 7 mph

On average September is the 4th driest month of the year in Cathlamet with around 67mm 2.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.9 hours of sunshine per day.

September temperatures in Cathlamet

Cathlamet average temperature in September

September rainfall

Cathlamet average rain in September

September hourly sunshine

Cathlamet average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Cathlamet in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Cathlamet weather stats

Cathlamet weather statistics
Hottest month: August 22.7°C 72.9°F
Driest month: July 28mm 1.1ins
Sunniest month: July 10.5hrs
Coldest month: January 7.6°C 45.7°F
Wettest month: December 254mm 10ins
Map showing location of Cathlamet (46.20317, -123.38318) Cathlamet map pin © Google

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