Delaware Water Gap Weather in September

In Delaware Water Gap, September brings high daytime temperatures around 24°C (75°F), with nights cooling to 11°C (52°F). Expect quite a bit of rainfall this month.

Rainfall in Delaware Water Gap in September

Past climate data indicates that roughly 9 days will see rain, totalling around 121 mm (4.8 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Delaware Water Gap in September

Expect highs of 24°C (75°F) in Delaware Water Gap in September, with nights dropping to around 11°C (52°F). Overall, the month follows a fairly predictable daily temperature pattern. At 11°C (52°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 a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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

Delaware Water Gap Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 24°C (75°F)  

Chance of Rain 30%  

Precipitation 121 mm (4.8 in)  

Rainy days 9 days  

Humidity 74% *  

* Data from: Allentown, the United States of America (50 KM, 31 Miles).

What to Wear in Delaware Water Gap in September

For Delaware Water Gap 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 Delaware Water Gap in September

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

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 Delaware Water Gap's climate page.

More climate data for Delaware Water Gap

Temperature Rainfall Humidity

See the full Delaware Water Gap climate overview or explore weather in the United States of America.