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.
Mount Sunapee Weather in September
September in Mount Sunapee sees daytime temperatures around 21°C (70°F) and lows of 10°C (50°F) at night. With around 99 mm (3.9 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Mount Sunapee in September
Historically, September sees about 10 days of rain, with a monthly average of 99 mm (3.9 in). 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 Mount Sunapee in September
September tends to be one of the excellent months in Mount Sunapee, with 21°C (70°F) in the afternoon and 10°C (50°F) overnight. The difference between afternoon and evening temperatures is usually noticeable. Nights drop to around 10°C (50°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 Mount Sunapee in September
Expect sunny days throughout the month, with an estimated 214 hours of sunshine. This makes it a pleasant time to visit Mount Sunapee.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
Mount Sunapee Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
21°C (70°F)
Chance of Rain
34%
Precipitation
99 mm (3.9 in)
Rainy days
10 days
Humidity
76% *
Sunshine
214 hours *
Percentage Sunshine
*
* Data from: Concord, the United States of America (45 KM, 28 Miles).
Mount Sunapee Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mount Sunapee - 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 Mount Sunapee in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Mount Sunapee in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling9/10 -
Walking9/10 -
Barbeque8/10 -
Camping8/10 -
Outdoor sports9/10
Mount Sunapee 3-Day Forecast
More climate data for Mount Sunapee
Temperature Rainfall Sunshine Humidity
See the full Mount Sunapee 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.
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Yosemite National Park is definitely worth a visit
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