Barnstable Weather in September

September in Barnstable brings high temperatures around 23°C (73°F) during the day, dropping to 14°C (57°F) at night, with quite a bit of rainfall expected, averaging around 105 mm (4.1 in) for the month.

Rainfall in Barnstable in September

Historically, September sees about 8 days of rain, with a monthly average of 105 mm (4.1 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Barnstable in September

Barnstable in September gets highs of 23°C (73°F) during the day and drops to 14°C (57°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. 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 Barnstable in September

Enjoy a sunny month with about 231 hours of sunshine, the clear skies make Barnstable even more beautiful.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Barnstable.

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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 Barnstable's climate page.

Barnstable Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 26%  

Precipitation 105 mm (4.1 in)  

Rainy days 8 days  

Sunshine 231 hours *  

Percentage Sunshine *  

* Data from: Nantucket, the United States of America (49 KM, 30 Miles).

What to Wear in Barnstable 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Barnstable 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 Barnstable's climate page.

More climate data for Barnstable

Temperature Rainfall Sunshine

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