The temperatures in Princeton in September are comfortable with low of 17°C and and high up to 25°C.
You can expect about 3 to 8 days of rain in Princeton during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Princeton in September 2024.
If you’re planning to visit Princeton in the near future, we highly recommend that you review the 14 day weather forecast for Princeton before you arrive.
Temperatures
25° / 17°
Rainy Days
5
Snowy Days
0
Dry Days
25
Rainfall
111
mm
Sun Hours
10.2
Hrs
