Brunswick
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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 excellent 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.

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).

Brunswick Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Brunswick - and find the best time to visit.

Best Places in the United States of America in September

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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

Brunswick 3-Day Forecast

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.