Brunswick Weather in September

Thinking of visiting Brunswick in September? Expect pleasant temperatures reaching 22°C (72°F) during the day, dropping to 10°C (50°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Brunswick in September

Typically around 10 days of rainfall are expected, averaging 96 mm (3.8 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Brunswick in September

Brunswick has perfect weather in September, with days reaching 22°C (72°F) and nights cooling to 10°C (50°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows of 10°C (50°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Brunswick in September

The month enjoys around 228 hours of sunshine, creating mostly sunny days with good weather conditions.

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

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 Brunswick's climate page.

Brunswick Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 33%  

Precipitation 96 mm (3.8 in)  

Rainy days 10 days  

Humidity 77% *  

Sunshine 228 hours *  

Percentage Sunshine 61% *  

* Data from: Portland, the United States of America (36 KM, 22 Miles).

What to Wear in Brunswick 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Brunswick 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 Brunswick's climate page.

More climate data for Brunswick

Temperature Rainfall Sunshine Humidity

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