Seabrook Weather in September

September in Seabrook averages 23°C (73°F) during the day and 11°C (52°F) at night. With just 82 mm (3.2 in) of rainfall on average, it doesn't get much drier than this.

Rainfall in Seabrook in September

The risk of rain is at its lowest this month, making it a reliable choice for outdoor plans. Historically, the month has about 9 days of rain, averaging 82 mm (3.2 in) in total. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Seabrook in September

September in Seabrook is generally perfect, with days reaching 23°C (73°F) and nights settling around 11°C (52°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Seabrook in September

With approximately 238 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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

Seabrook Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 30%  

Precipitation 82 mm (3.2 in)  

Rainy days 9 days  

Humidity 69% *  

Sunshine 238 hours *  

Percentage Sunshine 63% *  

* Data from: Boston, the United States of America (60 KM, 37 Miles).

What to Wear in Seabrook in September

For Seabrook 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Seabrook 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 Seabrook's climate page.

More climate data for Seabrook

Temperature Rainfall Sunshine Humidity

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