Eastham Weather in September

In Eastham, September brings high daytime temperatures around 22°C (72°F), with nights cooling to 15°C (59°F). Expect quite a bit of rainfall this month.

Rainfall in Eastham in September

Analyzing past climate data, one can expect approximately 8 days of rain, averaging 90 mm (3.5 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Eastham in September

The temperature in Eastham in September is perfect. Daytime highs reach 22°C (72°F), with nights dropping to 15°C (59°F). Summer occurs in September. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 15°C (59°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Eastham in September

The city usually sees around 231 hours of sunlight, indicating many sunny days — a great month for sightseeing.

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

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 Eastham's climate page.

Eastham Temperature in September

Min Temperature 15°C (59°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 27%  

Precipitation 90 mm (3.5 in)  

Rainy days 8 days  

Sunshine 231 hours *  

Percentage Sunshine *  

* Data from: Nantucket, the United States of America (61 KM, 38 Miles).

What to Wear in Eastham in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Eastham in September

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

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 Eastham's climate page.

More climate data for Eastham

Temperature Rainfall Sunshine

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