Measurements:
°C
°F
Grand Island
26°F
NE 14 mph
Feels like: 14°F
Precip: 0%
World Resorts USA Grand Island Weather September Weather in Grand Island

Grand Island Weather: September

Average Day Temperature: 84.0°F
Average Night Temperature: 63.1°F
Number of Sunny Days: 20 days
Sunshine Hours: 11.8 - 13.1 hours
Number of Rainy Days: 1 day
Precipitation Totals: 0.4 in

Air Temperature in September, °F

Select Year: 2025 2024 2023

The highest day temperature in September 2025 was 97°F. The lowest night temperature was 40°F. The average values for day and night temperatures during September were 79.3°F и 60.5°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 Island is 0.4 in. It makes september one of the least rainy months of the year.

Wind Speed in September, mph

The average wind speed in September is 10.0 mph.

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 Island in September is 9.7 hours.

Best Time to Visit Grand Island
The most sunny months:
October 23 days
September 20 days
November 19 days
The most warm months:
August 91.1 °F
July 88.6 °F
June 84.5 °F
The most cold months:
January 28.6 °F
February 33.1 °F
December 36.9 °F
The most rainy months:
May 3 days
June 2 days
July 2 days
The most windy months:
April 12 mph
March 11 mph
October 10 mph

Grand Island on the Weather Map

USA Resorts:
NAME
Chicago 0
Hawaii +78
Honolulu +78
Houston +46
Las Vegas +40
Los Angeles +52
Maui +72
Miami +72
Miami Beach +80
New York +18
San Diego +54
San Francisco +46
Sarasota +62
Tampa +62
Washington +28
24 Hours Weather Forecast
Grand Island
Local time: 00:46
05 dec, friday
0300 24°F
NE
9 mph
0600 24°F
E
7 mph
0900 22°F
E
7 mph
1200 34°F
SE
12 mph
1500 42°F
SE
14 mph
1800 38°F
SE
13 mph
2100 30°F
SE
9 mph
06 dec, saturday
0000 24°F
S
5 mph