Omaha (NE)
September
Weather in Omaha, Nebraska for September 2026
Your guide to Omaha weather in September - trends and predictions
Until now, September 2026 in Omaha has been significantly warmer than historical averages.
Expect cooler weather in the next days in Omaha with the forecast suggesting a temperature of 26.7 °F, lower than the historical average.
In general, the average temperature in Omaha at the beginning of September is 31.3 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 29 °F by the end of September.
The climate of Omaha in September is notably wet, with an average of 14 rainy days, and a total of 135.5 mm of precipitation.
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Temperatures
Rain 🌧️
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16
Dry days
14
Rainy days
0
Snow days
30°/14°
Temperatures
22 km/h
Avg max wind
58 %
Avg humidity
Omaha Weather September
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Temperatures trend during September in Omaha
See the weather trend as well as the moving average line
September weather in Omaha day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 31° /16° | 14.7 mm | 7 | |
| Sept. 2 | Sunny | 33° /15° | 0.2 mm | 7 | |
| Sept. 3 | Sunny | 32° /16° | 5.5 mm | 6 | |
| Sept. 4 | Sunny | 33° /16° | 0.7 mm | 8 | |
| Sept. 5 |  Patchy rain possible | 32° /18° | 0.2 mm | 7 | |
| Sept. 6 |  Overcast | 29° /14° | 6.3 mm | 6 | |
| Sept. 7 | Sunny | 29° /10° | 0.1 mm | 7 | |
| Sept. 8 | Sunny | 31° /14° | 0.7 mm | 6 | |
| Sept. 9 |  Moderate rain | 30° /22° | 65.4 mm | 7.4 | |
| Sept. 10 | Sunny | 32° /19° | 0 mm | 6.5 | |
| Sept. 11 | Sunny | 34° /20° | 0 mm | 6.8 | |
| Sept. 12 | Overcast | 27° /18° | 0.8 mm | 3.2 | |
| Sept. 13 | Overcast | 27° /17° | 3.2 mm | 6 | |
| Sept. 14 | Light rain shower | 25° /19° | 5.8 mm | 6 | |
| Sept. 15 | Overcast | 22° /14° | 0 mm | 6 | |
| Sept. 16 | Patchy rain possible | 21° /15° | 11.9 mm | 5 | |
| Sept. 17 | Light rain shower | 23° /18° | 7.4 mm | 5 | |
| Sept. 18 | Overcast | 31° /19° | 0 mm | 8 | |
| Sept. 19 | Sunny | 29° /22° | 0 mm | 7 | |
| Sept. 20 | Patchy rain possible | 23° /19° | 2.4 mm | 5 | |
| Sept. 21 | Patchy rain possible | 25° /19° | 0.1 mm | 7 | |
| Sept. 22 | Sunny | 25° /17° | 0 mm | 7 | |
| Sept. 23 |  Thundery outbreaks possible | 25° /13° | 12.8 mm | 6 | |
| Sept. 24 |  Mist | 25° /11° | 3.2 mm | 6 | |
| Sept. 25 | Sunny | 28° /13° | 0 mm | 7 | |
| Sept. 26 | Sunny | 29° /12° | 0 mm | 7 | |
| Sept. 27 | Sunny | 28° /12° | 0 mm | 7 | |
| Sept. 28 | Sunny | 30° /11° | 0 mm | 7 | |
| Sept. 29 | Thundery outbreaks possible | 32° /15° | 0.1 mm | 8 | |
| Sept. 30 | Patchy rain possible | 31° /16° | 0.5 mm | 7 | |
| Next | |||||
Important Notice
Our weather forecast for Omaha 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 Omaha forecast closer to your planned date for the most up-to-date weather information.
Change Month
Omaha in September - FAQ
What are the expected maximum and minimum temperatures in Omaha during September?
Expect warm days with temperatures around 30°, cooling to mild conditions of 14° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Omaha during September?
Significant rainfall exceeding 135.5 mm is expected in Omaha during September, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Omaha during September?
The average wind speed in Omaha during September is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Omaha
Explore the daily rainfall trends and prepare for Omahas September weather 💧
Typically, Omaha has 14 rainy days in September with a total of 135.5 mm of rainfall.
UV exposure in Omaha during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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