Bay City
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Bay City Weather in September

Bay City in September sees very high daytime temperatures of 32°C (90°F) and nighttime lows of 21°C (70°F). Rainfall is fairly high this month at around 131 mm (5.2 in), so pack a rain jacket to stay dry.

Rainfall in Bay City in September

Records from the past 30 years suggest around 13 days of rain, with 131 mm (5.2 in) average for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Bay City in September

Expect highs of 32°C (90°F) in Bay City in September, with nights dropping to around 21°C (70°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. With overnight lows of 21°C (70°F), evenings stay pleasantly warm.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. February, March, April, May and November typically offer the best weather for Bay City.

Bay City Temperature in September

Min Temperature
21°C (70°F)
Max Temperature
32°C (90°F)
Chance of Rain
44%
Precipitation
131 mm (5.2 in)
Rainy days
13 days

Bay City Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Bay City - 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 Bay City in September

Warm but pleasant conditions in Bay City in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags.

What To Do in Bay City in September

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

  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    6/10
  • Outdoor sports
    7/10

Bay City 3-Day Forecast

More climate data for Bay City

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.