Chambersburg Weather in September

September in Chambersburg brings high temperatures, with daytime highs of 25°C (77°F) and nights around 14°C (57°F). Quite a bit of rainfall is expected, around 85 mm (3.3 in), so pack an umbrella.

Rainfall in Chambersburg in September

Rain is expected on roughly 9 days, totalling around 85 mm (3.3 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Chambersburg in September

Chambersburg in September has perfect weather. Days reach 25°C (77°F) and nights cool to 14°C (57°F). This kind of day-to-night contrast is typical for this time of year. At 14°C (57°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 Chambersburg.

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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 Chambersburg's climate page.

Chambersburg Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 30%  

Precipitation 85 mm (3.3 in)  

Rainy days 9 days  

What to Wear in Chambersburg in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes.

What To Do in Chambersburg in September

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

Cycling

7/10

Walking

7/10

Camping

8/10

Outdoor sports

7/10

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 Chambersburg's climate page.

More climate data for Chambersburg

Temperature Rainfall

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