Billerica Weather in September

Billerica in September sees high daytime temperatures of 24°C (75°F) and nighttime lows of 12°C (54°F). With just 83 mm (3.3 in) of rainfall on average, it's the driest month of the year.

Rainfall in Billerica in September

Take advantage of the dry conditions this month, with minimal rain expected. On average, there are about 10 days with rain during this month, averaging 83 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 Billerica in September

The perfect temperature in Billerica in September makes it a solid month to visit, with 24°C (75°F) during the day and 12°C (54°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 12°C (54°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 Billerica in September

The days are predominantly sunny, with an estimated total of around 238 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Billerica.

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• January
• February
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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 Billerica's climate page.

Billerica Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 24°C (75°F)  

Chance of Rain 33%  

Precipitation 83 mm (3.3 in)  

Rainy days 10 days  

Humidity 69% *  

Sunshine 238 hours *  

Percentage Sunshine 63% *  

* Data from: Boston, the United States of America (28 KM, 17 Miles).

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

More climate data for Billerica

Temperature Rainfall Sunshine Humidity

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