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.
Campbell Weather in September
September in Campbell typically sees daytime highs of 27°C (81°F) and nighttime lows of 13°C (55°F). Minimal rainfall is typical for this month. It falls within the summer season.
Rainfall in Campbell in September
Climate statistics over the past 30 years suggest around a single day of rain, with 2.7 mm (0.1 in) average for the month. If rain does fall, it tends to be very light and barely worth getting out an umbrella for.
Temperature in Campbell in September
The temperature in Campbell in September is excellent. Daytime highs reach 27°C (81°F), with nights dropping to 13°C (55°F). Experience the summer season in September. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights drop to around 13°C (55°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 Campbell in September
With approximately 270 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Campbell.
Campbell Temperature in September
Min Temperature
13°C (55°F)
Max Temperature
27°C (81°F)
Chance of Rain
3%
Precipitation
2.7 mm (0.1 in)
Rainy days
a single day
Humidity
73% *
Sunshine
270 hours *
Percentage Sunshine
73% *
* Data from: San Francisco, the United States of America (53 KM, 33 Miles).
Campbell Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Campbell - 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 Campbell in September
Warm but pleasant conditions in Campbell 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Campbell 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
Campbell 3-Day Forecast
More climate data for Campbell
Temperature Rainfall Sunshine Humidity
See the full Campbell 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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