World Resorts USA Grand Junction Weather

Grand Junction weather in September

Weather in Grand Junction: September

Average day temperature: 82.1°F
Average night temperature: 54.8°F
Number of sunny days: 23 days
Day length: 11.8 - 13.0 hours
Number of rainy days: 1 day
Precipitation totals: 0.4 in.

Air temperature in September, °F

Show year:
2024
2023
2022

The highest day temperature during September of 2024 was 87°F. At the same time the lowest night temperature was 39°F. Day and night temperature averages during September were 81.6°F and 51.2°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Grand Junction in September is 0.4 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 6.0 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 10.3.

Best time for vacation in Grand Junction

Sunniest months:
September 23 days
October 23 days
July 22 days
Warmest months:
July 92.5 °F
August 89.7 °F
June 86.0 °F
Coldest months:
January 34.8 °F
December 38.6 °F
February 39.3 °F
Rainiest months:
March 1 day
December 1 day
September 1 day
Windiest months:
May 7.2 mph
June 7.2 mph
April 7.2 mph

Grand Junction on a weather map

Grand Junction
+27°F
NW 3 mph
Feels like: +21°F
Precip.: 0%
Places in USA:
Name
°F
+46°F
+50°F
+73°F
+73°F
+45°F
+57°F
+75°F
+66°F
+46°F
+54°F
+55°F
+70°F
+68°F
+66°F
+34°F
24 Hours Forecast
Grand Junction
Local time: 10:11
November 21, thursday
1200
46°F
W
2 mph
1500
52°F
S
2 mph
1800
37°F
E
2 mph
2100
32°F
E
2 mph
November 22, friday
0000
27°F
N
1 mph
0300
25°F
NW
3 mph
0600
25°F
NW
3 mph
0900
30°F
NW
3 mph
Units of measurement: °C / °F