Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
West Chester Weather in September
West Chester in September sees high temperatures, with highs around 26°C (79°F) and overnight lows of 13°C (55°F). Rainfall is fairly high at around 125 mm (4.9 in) on average, so pack waterproofs just in case.
Rainfall in West Chester in September
Historically, September sees about 9 days of rain, with a monthly average of 125 mm (4.9 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in West Chester in September
September in West Chester brings typical temperatures with highs around 26°C (79°F) and lows of 13°C (55°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights drop to around 13°C (55°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in West Chester in September
The month enjoys around 218 hours of sunshine, creating mostly sunny days with good weather conditions.If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit West Chester.
West Chester Temperature in September
Min Temperature
13°C (55°F)
Max Temperature
26°C (79°F)
Chance of Rain
30%
Precipitation
125 mm (4.9 in)
Rainy days
9 days
Humidity
72% *
Sunshine
218 hours *
Percentage Sunshine
59% *
* Data from: Philadelphia, the United States of America (37 KM, 23 Miles).
West Chester Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in West Chester - 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 West Chester in September
Warm but pleasant conditions in West Chester 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in West Chester in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
West Chester 3-Day Forecast
More climate data for West Chester
Temperature Rainfall Sunshine Humidity
See the full West Chester climate overview or explore weather in the United States of America.
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.
Yosemite National Park is definitely worth a visit
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