Yosemite National Park is definitely worth a visit
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Plymouth Weather in September
September in Plymouth typically sees daytime highs of 23°C (73°F) and nighttime lows of 13°C (55°F). With the least rainfall of the year, it's a reliably dry month.
Rainfall in Plymouth in September
This month sees the least rain of the year, making it well suited for outdoor adventures. Analyzing past climate data, one can expect approximately 8 days of rain, averaging 89 mm (3.5 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 Plymouth in September
Weather in Plymouth is at its excellent in September. Highs reach 23°C (73°F), while nights settle around 13°C (55°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. 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.
Sunshine in Plymouth in September
The month enjoys around 238 hours of sunshine, creating mostly sunny days with good weather conditions.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
Plymouth Temperature in September
Min Temperature
13°C (55°F)
Max Temperature
23°C (73°F)
Chance of Rain
27%
Precipitation
89 mm (3.5 in)
Rainy days
8 days
Humidity
69% *
Sunshine
238 hours *
Percentage Sunshine
63% *
* Data from: Boston, the United States of America (54 KM, 33 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
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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Swimming9/10 -
Cycling9/10 -
Walking9/10 -
Barbeque8/10 -
Camping8/10 -
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.
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