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.
Williamsport Weather in September
Williamsport in September averages 24°C (75°F) during the day and 12°C (54°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
Rainfall in Williamsport in September
This month experiences about 11 days of rain according to historical data, averaging 105 mm (4.1 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Williamsport in September
If you're visiting Williamsport in September, expect highs of 24°C (75°F) and overnight lows around 12°C (54°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 12°C (54°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Williamsport.
Williamsport Temperature in September
Min Temperature
12°C (54°F)
Max Temperature
24°C (75°F)
Chance of Rain
35%
Precipitation
105 mm (4.1 in)
Rainy days
11 days
Williamsport Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Williamsport - 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 Williamsport 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 Williamsport in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling9/10 -
Walking9/10 -
Camping6/10 -
Outdoor sports9/10
Williamsport 3-Day Forecast
More climate data for Williamsport
See the full Williamsport 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.
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