Grand Island (NE)
September
Weather in Grand Island, Nebraska for September 2027
Your guide to Grand Island weather in September - trends and predictions
In general, the average temperature in Grand Island at the beginning of September is 29.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 25.2 °C by the end of September.
Grand Island experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 194.3 mm.
Is September a good time to visit Grand Island? check out the best time to travel to Grand Island page.
✨ Is September a good time to visit Grand Island? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
21
Dry days
9
Rainy days
0
Snow days
27°/15°
Temperatures
24 km/h
Avg max wind
65 %
Avg humidity
Grand Island Weather September
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Temperatures trend during September in Grand Island
See the weather trend as well as the moving average line
September weather in Grand Island day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 27° /18° | 0 mm | 5 | |
| Sept. 2 | Sunny | 30° /17° | 0 mm | 7 | |
| Sept. 3 | Sunny | 29° /16° | 0 mm | 7 | |
| Sept. 4 | Sunny | 32° /16° | 0.2 mm | 7 | |
| Sept. 5 |  Partly cloudy | 29° /18° | 0 mm | 7 | |
| Sept. 6 | Partly cloudy | 28° /14° | 0.1 mm | 5 | |
| Sept. 7 | Sunny | 29° /13° | 0 mm | 7 | |
| Sept. 8 |  Light rain | 29° /17° | 4.5 mm | 5 | |
| Sept. 9 | Sunny | 30° /18° | 0.2 mm | 7 | |
| Sept. 10 |  Patchy rain possible | 32° /16° | 0 mm | 7 | |
| Sept. 11 | Sunny | 32° /18° | 0.1 mm | 7 | |
| Sept. 12 | Sunny | 31° /17° | 0.2 mm | 7 | |
| Sept. 13 | Partly cloudy | 28° /18° | 0.2 mm | 6 | |
| Sept. 14 | Light rain | 30° /16° | 6.9 mm | 5 | |
| Sept. 15 |  Patchy light rain with thunder | 27° /16° | 10.6 mm | 5 | |
| Sept. 16 | Patchy rain possible | 28° /16° | 0.6 mm | 5 | |
| Sept. 17 |  Moderate rain | 26° /18° | 18.3 mm | 5 | |
| Sept. 18 | Moderate rain | 29° /19° | 12.3 mm | 6 | |
| Sept. 19 | Light rain | 26° /15° | 2.9 mm | 5 | |
| Sept. 20 | Light rain | 24° /14° | 5.7 mm | 4 | |
| Sept. 21 |  Overcast | 25° /14° | 0.5 mm | 4 | |
| Sept. 22 | Patchy rain possible | 21° /13° | 2 mm | 4 | |
| Sept. 23 |  Heavy rain | 22° /11° | 76.8 mm | 4 | |
| Sept. 24 | Moderate rain | 21° /12° | 15.3 mm | 4 | |
| Sept. 25 | Moderate rain | 24° /11° | 10.9 mm | 5 | |
| Sept. 26 | Light rain | 27° /13° | 4 mm | 5.8 | |
| Sept. 27 | Sunny | 26° /13° | 0.1 mm | 5.7 | |
| Sept. 28 |  Mist | 26° /12° | 0.3 mm | 5 | |
| Sept. 29 | Light rain | 27° /15° | 5.5 mm | 5.6 | |
| Sept. 30 | Moderate rain | 25° /15° | 16.1 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Grand Island in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Grand Island forecast closer to your planned date for the most up-to-date weather information.
Change Month
Grand Island in September - FAQ
What are the expected maximum and minimum temperatures in Grand Island during September?
During September, expect a variety of temperatures with highs around 27° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Grand Island during September?
Significant rainfall exceeding 194.3 mm is expected in Grand Island during September, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Grand Island during September?
The average wind speed in Grand Island during September is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Grand Island
Explore the daily rainfall trends and prepare for Grand Islands September weather 💧
Typically, Grand Island has 9 rainy days in September with a total of 194.3 mm of rainfall.
UV exposure in Grand Island during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Grand Island?Get accurate weather forecasts for Grand Island, located at latitude 40.925 and longitude -98.342. Stay updated with localized weather information tailored for Grand Island.
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