Piscataway Weather in September

September in Piscataway averages 26°C (79°F) during the day and 14°C (57°F) at night. Quite a bit of rainfall is typical this month, with around 91 mm (3.6 in) on average. An umbrella is a good idea.

Rainfall in Piscataway in September

Historically, September sees about 8 days of rain, with a monthly average of 91 mm (3.6 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Piscataway in September

The temperature in Piscataway in September is perfect. Daytime highs reach 26°C (79°F), with nights dropping 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.

Sunshine in Piscataway in September

With approximately 215 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Piscataway.

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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 Piscataway's climate page.

Piscataway Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 26°C (79°F)  

Chance of Rain 27%  

Precipitation 91 mm (3.6 in)  

Rainy days 8 days  

Sunshine 215 hours *  

Percentage Sunshine 57% *  

* Data from: Trenton, the United States of America (43 KM, 27 Miles).

What to Wear in Piscataway in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Piscataway in September

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

Swimming

9/10

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 Piscataway's climate page.

More climate data for Piscataway

Temperature Rainfall Sunshine

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