Weather in Grand Junction: September
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Average day temperature: | 82.1°F |
| Average night temperature: | 54.8°F | |
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Number of sunny days: | 23 days |
| Day length: | 11.8 - 13.0 hours | |
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Number of rainy days: | 1 day |
| Precipitation totals: | 0.4 in. | |
| more information | ||
14 days
forecast
forecast
| Grand Junction |
weather in
October
October
| Grand Junction |
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
Grand Junction on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Grand Junction
Local time: 01:54
December 22, sunday
0300
27°F
E
2 mph
2 mph
0600
25°F
N
2 mph
2 mph
0900
27°F
N
3 mph
3 mph
1200
41°F
W
1 mph
1 mph
1500
46°F
S
2 mph
2 mph
1800
39°F
NE
1 mph
1 mph
2100
34°F
SE
1 mph
1 mph
December 23, monday
0000
32°F
NE
1 mph
1 mph
