West Yarmouth Weather in September

September in West Yarmouth sees daytime temperatures around 23°C (73°F) and lows of 14°C (57°F) at night. With around 100 mm (3.9 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in West Yarmouth in September

Past climate data indicates that roughly 8 days will see rain, totalling around 100 mm (3.9 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in West Yarmouth in September

September in West Yarmouth brings typical temperatures with highs around 23°C (73°F) and lows of 14°C (57°F). During September, you'll experience the summer season. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 14°C (57°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 West Yarmouth in September

With approximately 231 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

If your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for West Yarmouth.

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• January
• February
• March
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• May
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• October
• November
• December

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

West Yarmouth Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 26%  

Precipitation 100 mm (3.9 in)  

Rainy days 8 days  

Sunshine 231 hours *  

Percentage Sunshine *  

* Data from: Nantucket, the United States of America (42 KM, 26 Miles).

What to Wear in West Yarmouth in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in West Yarmouth in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

9/10

Walking

9/10

Camping

6/10

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 West Yarmouth's climate page.

More climate data for West Yarmouth

Temperature Rainfall Sunshine

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