Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Bothell Weather in September
During September, Bothell experiences pleasant daytime temperatures of 22°C (72°F) and cooler nights around 11°C (52°F). As part of the summer season, some rainfall is to be expected.
Rainfall in Bothell in September
You can expect rain on around 11 days based on historical patterns, with 57 mm (2.2 in) average for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Bothell in September
The temperature in Bothell in September is excellent. Daytime highs reach 22°C (72°F), with nights dropping to 11°C (52°F). The month of September belongs to the summer season. Conditions are often most pleasant around the middle of the day. Nights drop to around 11°C (52°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 Bothell in September
Enjoy a sunny month with about 220 hours of sunshine, the clear skies make Bothell even more beautiful.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
Bothell Temperature in September
Min Temperature
11°C (52°F)
Max Temperature
22°C (72°F)
Chance of Rain
37%
Precipitation
57 mm (2.2 in)
Rainy days
11 days
Humidity
73% *
Sunshine
220 hours *
Percentage Sunshine
59% *
* Data from: Seattle, the United States of America (35 KM, 21 Miles).
Bothell Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Bothell - and find the best time to visit.
Best Places in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Bothell in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Bothell in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Barbeque9/10 -
Camping8/10 -
Outdoor sports10/10
Bothell 3-Day Forecast
More climate data for Bothell
Temperature Rainfall Sunshine Humidity
See the full Bothell climate overview or explore weather in the United States of America.
Popular in September
Where to go in September - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
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