Weather in September 2025

Decatur weather in September 2025

°C °F

The average weather in Decatur in September

The temperatures in Decatur in September are comfortable with low of 15°C and and high up to 25°C.

You can expect about 3 to 8 days of rain in Decatur 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 Decatur in September 2025.

If you’re planning to visit Decatur in the near future, we highly recommend that you review the 14 day weather forecast for Decatur before you arrive.

Temperatures
25° / 15°
Rainy Days
4
Snowy Days
0
Dry Days
26
Rainfall
75
mm
Sun Hours
10.7
Hrs

Explore the weather in Decatur in other months

Decatur annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 0° / -6° 5 15 11 52 mm
Awful
February 2° / -5° 4 15 10 53 mm
Awful
March 10° / 2° 7 20 4 78 mm
Awful
April 16° / 7° 7 22 1 113 mm
Ok
May 22° / 14° 8 23 0 127 mm
Ok
June 27° / 18° 7 23 0 140 mm
Good
July 28° / 19° 6 25 0 107 mm
Perfect
August 27° / 18° 5 26 0 98 mm
Perfect
September 25° / 15° 4 26 0 75 mm
Perfect
October 18° / 9° 5 26 0 75 mm
Good
November 10° / 3° 5 24 2 65 mm
Bad
December 4° / -2° 5 19 7 52 mm
Awful

Weather in Decatur in September - FAQ

What is the average temperature in Decatur in September?
The average temperature in Decatur in September is 15/25° C.
What is the chance of rain in Decatur in September?
On average, there are 4 rainy days in Decatur during September.
Weather wise, is September a good time to visit Decatur?
The weather in Decatur in September is perfect.
Can it snow in Decatur in September?
On average, there are 0 snowy days in Decatur in September.
More about the weather in Decatur