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September is one of the best months to visit Clatsop County for the best beach weather. It has the most sunshine and best sunbathing and swimming conditions of the year.
September is quite warm, and quite sunny but with occasional periods of cloudy and overcast skies. September is quite dry but with occasional showers, though there are many days without rain. Also consider visiting Clatsop County in one of the other best months of June, July, August, for the best beach weather.
Also consider one of our other suggestions for September.
No, September is not a good time for sunbathing in Clatsop County. September is slightly too cold, with quite a high chance of cloudy skies and there is quite a high chance of rain showers.
The average maximum temperature in Clatsop County in September is 20°C (68°F).
More about September temperature and sunshine.
No, September is too cold for swimming in Clatsop County for any length of time, with the sea water at 12°C (54°F), unless you have a wetsuit.
More about September sea temperatures.
Yes, September is a good time for a holiday in Clatsop County.
September is quite warm and quite sunny but with occasional periods of cloudy and overcast skies. It is quite dry but with occasional showers, though there are many days without rain.
It's a quite rainy month, however on the days with out rain it's great for enjoying the beach and exploring the area.
The average maximum temperature in Clatsop County in September is 20°C (68°F).
More about the September temperatures and sunshine.
The average minimum temperature in Clatsop County in September is 10°C (51°F). The minimum temperature is 13°C (55°F) in the previous month and 8°C (46°F) in the next month.
More about the September temperatures and sunshine.
The average day light hours per day in Clatsop County in September are 12.6 and there are 6.8 hours of sunshine per day on average during September, making it quite sunny but with occasional periods of cloudy and overcast skies.
More about September sunshine.
No, September is too cold for swimming in Clatsop County for any length of time, with the sea water at 12°C (54°F), unless you have a wetsuit.
More about September sea temperatures.
Yes, Clatsop County is quite warm in September.
The average maximum temperature in Clatsop County in September is 20°C (68°F). The average maximum temperature is 20°C (68°) in the previous month and 16°C (61°F) in the next month.
The average temperature in Clatsop County in September is 15°C (59°F). The average temperature ranges is 17°C (62°F) in the previous month and 12°C (53°F) in the next month.
More info about the September temperatures and sunshine.
The average maximum temperature in Clatsop County in September is 20°C (68°F). The average maximum temperature is 20°C (68°F) in the previous month and 16°C (61°F) in the next month.
The average temperature in Clatsop County in September is 15°C (59°F). The average temperature ranges is 17°C (62°F) in the previous month and 12°C (53°F) in the next month.
The average minimum temperature in Clatsop County in September is 10°C (51°F). The minimum temperature is 13°C (55°F) in the previous month and 8°C (46°F) in the next month.
The average day light hours per day in Clatsop County in September are 12.6 and there are 6.8 hours of sunshine per day on average during September making it quite sunny but with occasional periods of cloudy and overcast skies
The ultraviolet index in Clatsop County in September is typically 5.5 during September. An ultraviolet index reading of 3 to 5 indicates there is a moderate risk of harm from unprotected sun exposure. Keep out of the sun during the strongest hours around midday when unprotected skin risks burning in less than 30 minutes. For the sensitive wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days, and after swimming or sweating. Tanning for hours is possible with the right application of sun cream. Watch out for relections from water that may increase ultraviolet exposure.
The average sea water temperature in Clatsop County in September is 12°C (53.6°F) which is very cold and bracing, it's not recommended you swim with out a full wet suit.
The average total rainfall in Clatsop County in September is 9cm (3.5inches) and on average there are 12.5 rainy days in September making it a pretty wet time to visit the beach.
The maximum dew point (an indicator of humidity) in Clatsop County in September is 13°C (56°F) which is comfortable for everyone. The dew point is 14°C (58°F) in the previous month and 11°C (11°F) in the next month.
The average maximum relative humidity in Clatsop County in September is typically 95.6%. The maximum relative humidity is 95.3% in the previous month and 96.5% in the next month.
The average relative humidity in Clatsop County in September is typically 79.9%. The average relative humidity is 81.2% in the previous month and 81.6% in the next month.
The average maximum wind speed in Clatsop County in September is typically 26KM/H (16MPH). The average maximum wind speed is 26KM/H (16MPH) in the previous month and 27KM/H (16MPH) in the next month.
The average wind speed in Clatsop County in September is typically 10KM/H (6MPH). The average wind speed is 11KM/H (7MPH) in the previous month and 10KM/H (6MPH) in the next month.
The average wind direction in Clatsop County in September is from the South West.
