Sister Bay
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Sister Bay Weather in September

September in Sister Bay sees daytime temperatures around 21°C (70°F) and lows of 10°C (50°F) at night. With around 92 mm (3.6 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Sister Bay in September

Typically, you can expect about 10 days of rain this month, with 92 mm (3.6 in) on average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Sister Bay in September

September is one of the better months to visit Sister Bay. Expect 21°C (70°F) during the day and 10°C (50°F) at night. The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 10°C (50°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.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Sister Bay.

Sister Bay Temperature in September

Min Temperature
10°C (50°F)
Max Temperature
21°C (70°F)
Chance of Rain
33%
Precipitation
92 mm (3.6 in)
Rainy days
10 days

Sister Bay Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Sister Bay - 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 Sister Bay 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.

What To Do in Sister Bay in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Cycling
    9/10
  • Walking
    9/10
  • Camping
    8/10
  • Outdoor sports
    9/10

Sister Bay 3-Day Forecast

More climate data for Sister Bay

Popular in September

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

Bucket list

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