New Cumberland Weather in September

September in New Cumberland averages 25°C (77°F) during the day and 14°C (57°F) at night. Quite a bit of rainfall is typical this month, with around 121 mm (4.8 in) on average. An umbrella is a good idea.

Rainfall in New Cumberland in September

The climate data from previous years indicates about 10 days of rain, averaging 121 mm (4.8 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in New Cumberland in September

Temperatures in New Cumberland in September top out at 25°C (77°F) and drop to 14°C (57°F) overnight. This kind of day-to-night contrast is typical for this time of year. With overnight lows of 14°C (57°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in New Cumberland in September

The city usually sees around 226 hours of sunlight, indicating many sunny days — a great month for sightseeing.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, August and September typically offer the best weather for New Cumberland.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
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• 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 New Cumberland's climate page.

New Cumberland Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 32%  

Precipitation 121 mm (4.8 in)  

Rainy days 10 days  

Humidity 73% *  

Sunshine 226 hours *  

Percentage Sunshine 61% *  

* Data from: Harrisburg, the United States of America (3 KM, 2 Miles).

What to Wear in New Cumberland in September

For New Cumberland 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in New Cumberland in September

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

Swimming

9/10

Cycling

9/10

Walking

9/10

Camping

6/10

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 New Cumberland's climate page.

More climate data for New Cumberland

Temperature Rainfall Sunshine Humidity

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