Gresham Weather in September

With daytime temperatures of 24°C (75°F) and nighttime lows of 11°C (52°F), September in Gresham brings high temperatures during the day. The excellent weather makes it an appealing time to visit.

Rainfall in Gresham in September

Historically, approximately 10 days this month are expected to have rain, averaging 54 mm (2.1 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Gresham in September

Weather in Gresham is at its excellent in September. Highs reach 24°C (75°F), while nights settle around 11°C (52°F). Summer occurs in September. This kind of day-to-night contrast is typical for this time of year. With lows of 11°C (52°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Gresham in September

With approximately 236 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

Wind Speed in Gresham in September

Average wind conditions reach 2 m/s (4 knots) in September. This creates comfortable weather with light winds that gently move vegetation. Keep in mind this is an average. Daily conditions range from near-calm to more noticeable wind.

If your ideal day consists of dry skies and pleasant temperatures, May, June, July, August and September typically offer the best circumstances for Gresham.

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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 Gresham's climate page.

Gresham Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 24°C (75°F)  

Chance of Rain 33%  

Precipitation 54 mm (2.1 in)  

Rainy days 10 days  

Humidity 69% *  

Windspeed 2 m/s (4 knots) *  

Sunshine 236 hours *  

Percentage Sunshine *  

* Data from: Portland, the United States of America (16 KM, 10 Miles).

What to Wear in Gresham in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Gresham in September

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

Swimming

10/10

Cycling

10/10

Walking

10/10

Barbeque

9/10

Camping

8/10

Outdoor sports

10/10

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 Gresham's climate page.

More climate data for Gresham

Temperature Rainfall Sunshine Humidity Wind Speed

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