State College Weather in September

During September, State College experiences high daytime temperatures of 23°C (73°F) and cooler nights around 12°C (54°F). Expect quite a bit of rainfall. Around 92 mm (3.6 in) is typical.

Rainfall in State College in September

Historically, September sees about 11 days of rain, with a monthly average of 92 mm (3.6 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in State College in September

September is one of the better months to visit State College. Expect 23°C (73°F) during the day and 12°C (54°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights drop to around 12°C (54°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.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our State College's climate page.

State College Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 37%  

Precipitation 92 mm (3.6 in)  

Rainy days 11 days  

What to Wear in State College in September

For State College 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.

What To Do in State College in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our State College's climate page.

More climate data for State College

Temperature Rainfall

See the full State College climate overview or explore weather in the United States of America.