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.
Duncan Weather in September
September is one of the excellent months to visit Duncan, with daytime temperatures of 28°C (82°F) and lows of 18°C (64°F) at night. Do note that quite a bit of rainfall is typical, averaging around 92 mm (3.6 in).
Rainfall in Duncan in September
Historically, September sees about 9 days of rain, with a monthly average of 92 mm (3.6 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Duncan in September
Weather in Duncan is at its excellent in September. Highs reach 28°C (82°F), while nights settle around 18°C (64°F). This kind of day-to-night contrast is typical for this time of year. Nights drop to around 18°C (64°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.If your ideal day consists of dry skies and pleasant temperatures, April, September and October typically offer the best circumstances for Duncan.
Duncan Temperature in September
Min Temperature
18°C (64°F)
Max Temperature
28°C (82°F)
Chance of Rain
30%
Precipitation
92 mm (3.6 in)
Rainy days
9 days
Duncan Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Duncan - 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 Duncan in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes.
What To Do in Duncan 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
Duncan 3-Day Forecast
More climate data for Duncan
See the full Duncan 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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