Corvallis Weather in September

Corvallis in September sees high temperatures, with highs around 25°C (77°F) and overnight lows of 9°C (48°F). Overall perfect conditions make it one of the better months to visit.

Rainfall in Corvallis in September

Typically around 6 days of rainfall are expected, averaging 34 mm (1.3 in) for the month. The odd shower may pass through, but it usually doesn't amount to much. A largely dry month overall.

Temperature in Corvallis in September

Corvallis has perfect weather in September, with days reaching 25°C (77°F) and nights cooling to 9°C (48°F). September is typically considered a summer month. Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 9°C (48°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Corvallis in September

The month enjoys around 255 hours of sunshine, creating mostly sunny days with good weather conditions.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Corvallis.

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• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Corvallis's climate page.

Corvallis Temperature in September

Min Temperature 9°C (48°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 21%  

Precipitation 34 mm (1.3 in)  

Rainy days 6 days  

Sunshine 255 hours *  

Percentage Sunshine *  

* Data from: Salem, the United States of America (45 KM, 28 Miles).

What to Wear in Corvallis in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Pack a light rain jacket or compact umbrella for occasional showers. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Corvallis in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

5/10

Outdoor sports

8/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Corvallis's climate page.

More climate data for Corvallis

Temperature Rainfall Sunshine

See the full Corvallis climate overview or explore weather in the United States of America.