Chehalis Weather in September
September is one of the excellent months to visit Chehalis, with daytime temperatures of 23°C (73°F) and lows of 9°C (48°F) at night. Some rainfall is typical for this time of year.
Rainfall in Chehalis in September
Typically around 9 days of rainfall are expected, averaging 46 mm (1.8 in) for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Chehalis in September
The excellent temperature in Chehalis in September makes it a solid month to visit, with 23°C (73°F) during the day and 9°C (48°F) at night. September is known for being in the summer season. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 9°C (48°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.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 Chehalis's climate page.
Chehalis Temperature in September
Min Temperature
9°C (48°F)
Max Temperature
23°C (73°F)
Chance of Rain
31%
Precipitation
46 mm (1.8 in)
Rainy days
9 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 Chehalis in September
For Chehalis 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 Chehalis 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 Chehalis's climate page.
See the full Chehalis climate overview or explore weather in the United States of America.
