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.
Sonoma Weather in September
Thinking of visiting Sonoma in September? Expect high temperatures reaching 29°C (84°F) during the day, dropping to 11°C (52°F) at night, with minimal rainfall.
Rainfall in Sonoma in September
The climate data from previous years indicates about a single day of rain, averaging 3.1 mm (0.1 in) for the month. On the rare occasion it rains this month, it usually amounts to very little.
Temperature in Sonoma in September
September is one of the better months to visit Sonoma. Expect 29°C (84°F) during the day and 11°C (52°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 11°C (52°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 Sonoma in September
Enjoy a sunny month with about 275 hours of sunshine, the clear skies make Sonoma even more beautiful.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
Sonoma Temperature in September
Min Temperature
11°C (52°F)
Max Temperature
29°C (84°F)
Chance of Rain
3%
Precipitation
3.1 mm (0.1 in)
Rainy days
a single day
Sunshine
275 hours *
Percentage Sunshine
77% *
* Data from: Healdsburg, the United States of America (50 KM, 31 Miles).
Sonoma Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sonoma - 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 Sonoma in September
Warm but pleasant conditions in Sonoma in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Dry conditions mean you won't need to worry about rain protection. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Sonoma in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming10/10 -
Cycling8/10 -
Walking8/10 -
Barbeque10/10 -
Camping10/10 -
Outdoor sports8/10
Sonoma 3-Day Forecast
More climate data for Sonoma
See the full Sonoma 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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