Princeton Weather in September
September in Princeton brings high temperatures, with highs of 25°C (77°F) and nights dropping to 13°C (55°F). Rainfall is on the higher side this month, averaging around 67 mm (2.6 in), so keep a rain jacket handy.
Rainfall in Princeton in September
Analyzing past climate data, one can expect approximately 10 days of rain, averaging 67 mm (2.6 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Princeton in September
If you're visiting Princeton in September, expect perfect temperatures with highs of 25°C (77°F) and overnight lows of 13°C (55°F). Overall, the month follows a fairly predictable daily temperature pattern. With lows of 13°C (55°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Princeton.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Princeton's climate page.
Princeton Temperature in September
Min Temperature
13°C (55°F)
Max Temperature
25°C (77°F)
Chance of Rain
33%
Precipitation
67 mm (2.6 in)
Rainy days
10 days
Best Places in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Princeton in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days.What To Do in Princeton in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Princeton's climate page.
See the full Princeton climate overview or explore weather in the United States of America.
