The temperatures in Morristown in September are comfortable with low of 16°C and and high up to 27°C.
You can expect about 3 to 8 days of rain in Morristown 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 Morristown in September 2025.
If you’re planning to visit Morristown in the near future, we highly recommend that you review the 14 day weather forecast for Morristown before you arrive.
Temperatures
27° / 16°
Rainy Days
7
Snowy Days
0
Dry Days
23
Rainfall
94
mm
Sun Hours
7.8
Hrs
