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 perfect 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.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Plymouth's climate page.

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).

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.

Swimming

9/10

Cycling

9/10

Walking

9/10

Barbeque

8/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Plymouth's climate page.

More climate data for Plymouth

Temperature Rainfall Sunshine Humidity

See the full Plymouth climate overview or explore weather in the United States of America.