Measurements:
°C
°F
Grand Canyon
34°F
NE 2 mph
Feels like: 34°F
Precip: 0%
World Resorts USA Grand Canyon Weather September Weather in Grand Canyon

Grand Canyon Weather: September

Average Day Temperature: 80.3°F
Average Night Temperature: 61.3°F
Number of Sunny Days: 23 days
Sunshine Hours: 11.8 - 12.9 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.5 in

Air Temperature in September, °F

Select Year: 2025 2024 2023

The highest day temperature in September 2025 was 91°F. The lowest night temperature was 50°F. The average values for day and night temperatures during September were 78.9°F и 60.0°F respectivly.

Sunny, Cloudy and Gloomy days

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Grand Canyon is 1.5 in. It makes september one of the most rainy months of the year.

Wind Speed in September, mph

The average wind speed in September is 7.5 mph. It makes September one of the most windless months of the year for Grand Canyon.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Grand Canyon in September is 10.4 hours.

Best Time to Visit Grand Canyon
The most sunny months:
June 27 days
October 26 days
May 25 days
The most warm months:
July 90.4 °F
August 88.1 °F
June 86.8 °F
The most cold months:
January 40.9 °F
December 42.5 °F
February 44.7 °F
The most rainy months:
July 6 days
August 5 days
September 3 days
The most windy months:
April 11 mph
May 11 mph
June 10 mph

Grand Canyon on the Weather Map

USA Resorts:
NAME
Chicago -2
Hawaii +78
Honolulu +78
Houston +44
Las Vegas +40
Los Angeles +52
Maui +72
Miami +72
Miami Beach +80
New York +20
San Diego +54
San Francisco +46
Sarasota +62
Tampa +62
Washington +28
24 Hours Weather Forecast
Grand Canyon
Local time: 02:19
05 dec, friday
0300 34°F
NE
2 mph
0600 34°F
E
2 mph
0900 34°F
SE
2 mph
1200 46°F
SE
5 mph
1500 50°F
SE
8 mph
1800 46°F
SE
6 mph
2100 40°F
SE
2 mph
06 dec, saturday
0000 38°F
NE
2 mph