Grand Island Weather In September
In the last 65 years the highest measured September temperature in Grand Island was 109 degrees Fahrenheit, most recently measured on September 8, 1931, and the regular high is 77. In the last 65 years the lowest measured September temperature in Grand Island was 20 on September 30, 1920, and the typical low is 52.
US National Weather Service historical Grand Island September Weather data records that on September 29, 1985, the high temperature did not exceed 40 degrees Fahrenheit, the lowest high measured in Grand Island in the past 65 years. Weather Service data also shows that on September 14, 1939, the lowest recorded temperature for the day did not drop below 79 degrees, the highest low measured temperature in Grand Island in the last 65 years.
According to the National Weather Service, the high temperature in Grand Island in September on the first day of the month averages 84 degrees and the high on the last day of the month averages 74 degrees. The low measured temperature in Grand Island on September First averages 60 degrees and the low on the last day of the month averages 46 degrees.
Grand Island usually receives an average of 2.43 inches of rain during September. September Grand Island Weather records indicated that on September 1, 1977 Grand Island received 5.62 inches of precipitation, the most rain recorded in a single day in September. Grand Island averages 0.1 inches of snow in September.On September 29, 1985 Grand Island received 3.8 inches of rain, the greatest snowfall measured in a single day in September.