Westborough Weather in September

September is one of the perfect months to visit Westborough, with daytime temperatures of 24°C (75°F) and lows of 12°C (54°F) at night. It is also the driest month of the year.

Rainfall in Westborough in September

Expect the least amount of rain this month, providing an excellent opportunity for outdoor activities. Enjoy the clearest skies and driest conditions of the year. On average, there are about 9 days with rain during this month, averaging 84 mm (3.3 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Westborough in September

September tends to be one of the perfect months in Westborough, with 24°C (75°F) in the afternoon and 12°C (54°F) overnight. Overall, the month follows a fairly predictable daily temperature pattern. Nights cool down to 12°C (54°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Westborough in September

Enjoy a sunny month with about 238 hours of sunshine, the clear skies make Westborough even more beautiful.

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

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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 Westborough's climate page.

Westborough Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 24°C (75°F)  

Chance of Rain 30%  

Precipitation 84 mm (3.3 in)  

Rainy days 9 days  

Humidity 69% *  

Sunshine 238 hours *  

Percentage Sunshine 63% *  

* Data from: Boston, the United States of America (48 KM, 30 Miles).

What to Wear in Westborough 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 Westborough 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 Westborough's climate page.

More climate data for Westborough

Temperature Rainfall Sunshine Humidity

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