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
Plymouth in September sees high temperatures, with highs around 24°C (75°F) and overnight lows of 12°C (54°F). Rainfall is fairly high at around 83 mm (3.3 in) on average, so pack waterproofs just in case.
Rainfall in Plymouth in September
You can expect rain on around 10 days based on historical patterns, with 83 mm (3.3 in) average for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Plymouth in September
Weather in Plymouth is at its excellent in September. Highs reach 24°C (75°F), while nights settle around 12°C (54°F). This kind of day-to-night contrast is typical for this time of year. With overnight lows of 12°C (54°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Plymouth in September
Expect a lot of sunshine this month, with about 232 hours of sun. These sunny conditions add to the overall experience.If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Plymouth.
Plymouth Temperature in September
Min Temperature
12°C (54°F)
Max Temperature
24°C (75°F)
Chance of Rain
33%
Precipitation
83 mm (3.3 in)
Rainy days
10 days
Humidity
72% *
Sunshine
232 hours *
Percentage Sunshine
61% *
* Data from: Detroit, the United States of America (34 KM, 21 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
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.
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Need travel inspiration? Check out our bucket list articles and be inspired.
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