Bellevue Weather in September

Bellevue in September averages 28°C (82°F) during the day and 15°C (59°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Bellevue in September

This month experiences about 10 days of rain according to historical data, averaging 106 mm (4.2 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Bellevue in September

Temperatures in Bellevue in September top out at 28°C (82°F) and drop to 15°C (59°F) overnight. Overall, the month follows a fairly predictable daily temperature pattern. At 15°C (59°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Bellevue in September

Expect sunny days throughout the month, with an estimated 226 hours of sunshine. This makes it a pleasant time to visit Bellevue.

If your ideal day consists of dry skies and pleasant temperatures, April, May, September and October typically offer the best circumstances for Bellevue.

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• January
• February
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• May
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• 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.

Bellevue Temperature in September

Min Temperature 15°C (59°F)  

Max Temperature 28°C (82°F)  

Chance of Rain 32%  

Precipitation 106 mm (4.2 in)  

Rainy days 10 days  

Humidity 74% *  

Sunshine 226 hours *  

Percentage Sunshine 61% *  

* Data from: Nashville, the United States of America (18 KM, 11 Miles).

What to Wear in Bellevue 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. Prepare for significant rainfall with proper waterproof clothing and shoes. 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

6/10

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.