The temperatures in Collierville in September are comfortable with low of 18°C and and high up to 29°C.
You can expect about 3 to 8 days of rain in Collierville 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 Collierville in September 2025.
If you’re planning to visit Collierville in the near future, we highly recommend that you review the 14 day weather forecast for Collierville before you arrive.
Temperatures
29° / 18°
Rainy Days
6
Snowy Days
0
Dry Days
24
Rainfall
110
mm
Sun Hours
10.6
Hrs