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.
Plymouth Weather in September
September is one of the excellent months to visit Plymouth, with daytime temperatures of 21°C (70°F) and lows of 8°C (46°F) at night. Do note that quite a bit of rainfall is typical, averaging around 94 mm (3.7 in).
Rainfall in Plymouth in September
Historically, the month has about 11 days of rain, averaging 94 mm (3.7 in) in total. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Plymouth in September
September in Plymouth is generally excellent, with days reaching 21°C (70°F) and nights settling around 8°C (46°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows around 8°C (46°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Plymouth in September
Expect a lot of sunshine this month, with about 214 hours of sun. These sunny conditions add to the overall experience.If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Plymouth.
Plymouth Temperature in September
Min Temperature
8°C (46°F)
Max Temperature
21°C (70°F)
Chance of Rain
37%
Precipitation
94 mm (3.7 in)
Rainy days
11 days
Humidity
76% *
Sunshine
214 hours *
Percentage Sunshine
*
* Data from: Concord, the United States of America (62 KM, 38 Miles).
Plymouth Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Plymouth - 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 Plymouth in September
For Plymouth in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Plymouth 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 -
Camping4/10 -
Outdoor sports9/10
Plymouth 3-Day Forecast
More climate data for Plymouth
Temperature Rainfall Sunshine Humidity
See the full Plymouth 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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