Weather in September 2025

Greeley weather in September 2025

The temperatures in Greeley in September are comfortable with low of 12°C and and high up to 28°C.

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

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

Temperatures
Temperatures
28° / 12°
Rainy Days
Rainy Days
4
Snowy Days
Snowy Days
0
Dry Days
Dry Days
26
Rainfall
Rainfall
29
mm
10.0
Sun Hours
10.0
Hrs

Greeley annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 5° / -6° 3 26 2 11 mm
Awful
February 6° / -6° 4 23 2 13 mm
Awful
March 13° / -1° 3 26 2 31 mm
Bad
April 17° / 3° 5 23 2 48 mm
Ok
May 21° / 8° 9 21 0 96 mm
Ok
June 29° / 14° 8 22 0 47 mm
Good
July 32° / 17° 9 22 0 45 mm
Good
August 32° / 16° 6 25 0 20 mm
Good
September 28° / 12° 4 26 0 29 mm
Perfect
October 18° / 4° 3 27 1 28 mm
Good
November 11° / -2° 3 26 1 15 mm
Ok
December 5° / -6° 3 26 2 14 mm
Awful
Temperatures in Greeley in September
Rain in Greeley in September

Weather in Greeley in September - FAQ

What is the average temperature in Greeley in September?
The average temperature in Greeley in September is 12/28° C.
What is the chance of rain in Greeley in September?
On average, there are 4 rainy days in Greeley during September.
Weather wise, is September a good time to visit Greeley?
The weather in Greeley in September is perfect.
Can it snow in Greeley in September?
On average, there are 0 snowy days in Greeley in September.
More about the weather in Greeley