Weather in Grand Island: September
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Average day temperature: | 80.0°F |
| Average night temperature: | 62.3°F | |
 |
Number of sunny days: | 18 days |
| Day length: | 11.8 - 13.1 hours | |
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Number of rainy days: | 1 day |
| Precipitation totals: | 0.5 in. | |
| more information | ||
14 days
forecast
forecast
| Grand Island |
weather in
October
October
| Grand Island |
Air temperature in September, °F
Show year:
2026
2025
2024
The highest day temperature during September of 2026 was 94°F. At the same time the lowest night temperature was 50°F. Daily and nightly averages during September were 76.1°F and 65.0°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 Island in September is 0.5 in. Other months of the year show relatively similar values.
Wind speed in September, mph
The average wind speed value in September is 10.0 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: 8.9.
Best time for vacation in Grand Island
Grand Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Grand Island
Local time: 07:02
September 29, tuesday
0900
59°F
N
12 mph
12 mph
1200
63°F
N
11 mph
11 mph
1500
63°F
N
8 mph
8 mph
1800
61°F
NW
9 mph
9 mph
2100
63°F
NW
11 mph
11 mph
September 30, wednesday
0000
63°F
N
10 mph
10 mph
0300
63°F
N
8 mph
8 mph
0600
63°F
N
7 mph
7 mph
