Seaside
Oregon, USA
Long-term weather forecast
Long-term weather forecast
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September weather forecast and Climate
Seaside, OR

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  • The average high temperature in September: 67.3°F

The warmest month (with the highest average high temperature) is August (67.6°F).
The month with the lowest average high temperature is December (51°F).

  • The average low temperature in September: 48.7°F

Months with the highest average low temperature are July and August (52.5°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).

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  • The average rainfall in September: 2.3"

The wettest month (with the highest rainfall) is November (11.7").
The driest month (with the lowest rainfall) is August (1.2").

  • The average rainfall days in September: 8.4 days

Months with the highest number of rainy days are January and November (20.4 days).
The month with the lowest number of rainy days is August (6.9 days).

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