Astoria Weather in September

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

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

September is in the fall / autumn in Astoria and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 8°C (47°F) is normal.

Astoria weather averages (imperial / metric)
Daytime temperature 20.2°C 68.4°F
Nightly temperature 8.4°C 47.1°F
Average temperature 14.3°C 57.7°F
Daily sunshine 7.8 hrs
Avg rainfall 77 mm 3 ins
Rainy days 10 days
Sea temperature 14.4°C 57.9°F
Humidity 80%
Windspeed 12.2kph 8 mph

On average September is the 4th driest month of the year in Astoria with around 77mm 3 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 7.8 hours of sunshine per day.

September temperatures in Astoria

Astoria average temperature in September

September rainfall

Astoria average rain in September

September hourly sunshine

Astoria 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 Astoria in September 2024.