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.
Johnstown Weather in September
Johnstown in September sees high daytime temperatures of 24°C (75°F) and nighttime lows of 11°C (52°F). Rainfall is fairly high this month at around 103 mm (4.1 in), so pack a rain jacket to stay dry.
Rainfall in Johnstown in September
On average, there are about 12 days with rain during this month, averaging 103 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 Johnstown in September
In September, Johnstown gets high temperatures, with highs of 24°C (75°F). Nights cool to around 11°C (52°F). This kind of day-to-night contrast is typical for this time of year. With lows of 11°C (52°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Johnstown in September
There are approximately 199 hours of sunshine this month, resulting in mostly clear days.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
Johnstown Temperature in September
Min Temperature
11°C (52°F)
Max Temperature
24°C (75°F)
Chance of Rain
40%
Precipitation
103 mm (4.1 in)
Rainy days
12 days
Sunshine
199 hours *
Percentage Sunshine
*
* Data from: Frostburg, the United States of America (74 KM, 46 Miles).
Johnstown Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Johnstown - 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 Johnstown in September
For Johnstown 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Johnstown in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling9/10 -
Walking9/10 -
Camping6/10 -
Outdoor sports9/10
Johnstown 3-Day Forecast
More climate data for Johnstown
See the full Johnstown 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.
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Yosemite National Park is definitely worth a visit
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