Coos Bay Weather in September
September is one of the perfect months to visit Coos Bay, with daytime temperatures of 20°C (68°F) and lows of 10°C (50°F) at night. Some rainfall is typical for this time of year.
Rainfall in Coos Bay in September
Typically, you can expect about 7 days of rain this month, with 46 mm (1.8 in) on average. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Coos Bay in September
September is a perfect month in Coos Bay, with 20°C (68°F) during the day and 10°C (50°F) at night. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights drop to 10°C (50°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet. On average, it is the month with the highest temperature of the year.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Coos Bay's climate page.
Coos Bay Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
20°C (68°F)
Chance of Rain
23%
Precipitation
46 mm (1.8 in)
Rainy days
7 days
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
What to Wear in Coos Bay in September
For Coos Bay in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket.What To Do in Coos Bay in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Coos Bay's climate page.
See the full Coos Bay climate overview or explore weather in the United States of America.
