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.
Mountain View Weather in September
During September, Mountain View experiences high daytime temperatures of 28°C (82°F) and cooler nights around 15°C (59°F). Expect quite a bit of rainfall. Around 115 mm (4.5 in) is typical.
Rainfall in Mountain View in September
Records from the past 30 years suggest around 8 days of rain, with 115 mm (4.5 in) average for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Mountain View in September
Expect highs of 28°C (82°F) in Mountain View in September, with nights dropping to around 15°C (59°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 15°C (59°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Mountain View Temperature in September
Min Temperature
15°C (59°F)
Max Temperature
28°C (82°F)
Chance of Rain
27%
Precipitation
115 mm (4.5 in)
Rainy days
8 days
Mountain View Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mountain View - 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 Mountain View in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho.
What To Do in Mountain View in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Mountain View 3-Day Forecast
More climate data for Mountain View
See the full Mountain View 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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