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.
Sequim Weather in September
Sequim in September averages 20°C (68°F) during the day and 9°C (48°F) at night. This is part of the summer season. Some rainfall is to be expected.
Rainfall in Sequim in September
The climate data from previous years indicates about 10 days of rain, averaging 31 mm (1.2 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Sequim in September
September is a good time to be in Sequim. Days are excellent, reaching 20°C (68°F), with nights around 9°C (48°F). September is part of the summer season. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights fall to 9°C (48°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Sequim in September
Enjoy a sunny month with about 204 hours of sunshine, the clear skies make Sequim even more beautiful.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
Sequim Temperature in September
Min Temperature
9°C (48°F)
Max Temperature
20°C (68°F)
Chance of Rain
34%
Precipitation
31 mm (1.2 in)
Rainy days
10 days
Humidity
60% *
Sunshine
204 hours *
Percentage Sunshine
54% *
* Data from: Victoria, Canada (42 KM, 26 Miles).
Sequim Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sequim - 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 Sequim in September
For Sequim in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Some rain is possible, so pack something to handle light showers. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Sequim 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 -
Camping5/10 -
Outdoor sports10/10
Sequim 3-Day Forecast
More climate data for Sequim
Temperature Rainfall Sunshine Humidity
See the full Sequim 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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