Bellevue Weather in September

September in Bellevue brings high temperatures, with daytime highs of 25°C (77°F) and nights around 12°C (54°F). Quite a bit of rainfall is expected, around 90 mm (3.5 in), so pack an umbrella.

Rainfall in Bellevue in September

Typically, about 8 days will experience rainfall, with an average of 90 mm (3.5 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Bellevue in September

Bellevue in September has perfect weather. Days reach 25°C (77°F) and nights cool to 12°C (54°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 12°C (54°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Bellevue in September

The city usually sees around 247 hours of sunlight, indicating many sunny days — a great month for sightseeing.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Bellevue.

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

Bellevue Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 27%  

Precipitation 90 mm (3.5 in)  

Rainy days 8 days  

Humidity 71% *  

Sunshine 247 hours *  

Percentage Sunshine 65% *  

* Data from: Omaha, the United States of America (14 KM, 8 Miles).

What to Wear in Bellevue in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Bellevue in September

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

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

8/10

Outdoor sports

7/10

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 Bellevue's climate page.

More climate data for Bellevue

Temperature Rainfall Sunshine Humidity

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