Coos Bay Weather in September

What's the weather like in Coos Bay (Oregon) in September 2024?

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

September is in the fall / autumn in Coos Bay and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 21°C (70°F), whilst at night 10°C (50°F) is normal.

Coos Bay weather averages (imperial / metric)
Daytime temperature 21.1°C 70°F
Nightly temperature 9.7°C 49.5°F
Average temperature 15.4°C 59.7°F
Daily sunshine 9.2 hrs
Avg rainfall 46 mm 1.8 ins
Rainy days 6 days
Sea temperature 14.4°C 57.9°F
Humidity 72%
Windspeed 11.9kph 7 mph

On average September is the 4th driest month of the year in Coos Bay with around 46mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.2 hours of sunshine per day.

September temperatures in Coos Bay

Coos Bay average temperature in September

September rainfall

Coos Bay average rain in September

September hourly sunshine

Coos Bay 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 Coos Bay 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

Coos Bay weather stats

Coos Bay weather statistics
Hottest month: August 21.9°C 71.4°F
Driest month: July 12mm 0.5ins
Sunniest month: July 11.5hrs
Coldest month: January 10.9°C 51.6°F
Wettest month: December 274mm 10.8ins
Map showing location of Coos Bay (43.3665, -124.21789) Coos Bay map pin © Google

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