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.
Altamont Weather in September
With daytime temperatures of 27°C (81°F) and nighttime lows of 13°C (55°F), September in Altamont brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 88 mm (3.5 in) falls on average.
Rainfall in Altamont in September
Typically, you can expect about 10 days of rain this month, with 88 mm (3.5 in) on average. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Altamont in September
September in Altamont is generally excellent, with days reaching 27°C (81°F) and nights settling around 13°C (55°F). 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.Our weather planner can help you find worldwide destinations with pleasant weather during this period. September and October typically offer the best weather for Altamont.
Altamont Temperature in September
Min Temperature
13°C (55°F)
Max Temperature
27°C (81°F)
Chance of Rain
33%
Precipitation
88 mm (3.5 in)
Rainy days
10 days
Altamont Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Altamont - 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 Altamont in September
Warm but pleasant conditions in Altamont 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. Expect heavy rainfall, so bring good rain protection and waterproof bags.
What To Do in Altamont in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping8/10 -
Outdoor sports7/10
Altamont 3-Day Forecast
More climate data for Altamont
See the full Altamont 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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