Click on a day for an hourly weather forecast
The temperatures in Omaha in September are comfortable with low of 14°C and and high up to 25°C.
You can expect about 3 to 8 days of rain in Omaha during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Omaha in September 2025.
If you’re planning to visit Omaha in the near future, we highly recommend that you review the 14 day weather forecast for Omaha before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -1° / -8° | 4 | 16 | 12 | 38 mm | Awful | Omaha in January |
| February | 0° / -7° | 3 | 15 | 10 | 46 mm | Awful | Omaha in February |
| March | 10° / 1° | 6 | 19 | 6 | 85 mm | Bad | Omaha in March |
| April | 16° / 6° | 7 | 21 | 2 | 114 mm | Bad | Omaha in April |
| May | 21° / 12° | 10 | 21 | 0 | 197 mm | Ok | Omaha in May |
| June | 27° / 18° | 9 | 21 | 0 | 197 mm | Good | Omaha in June |
| July | 29° / 19° | 7 | 24 | 0 | 116 mm | Ok | Omaha in July |
| August | 28° / 17° | 7 | 24 | 0 | 165 mm | Good | Omaha in August |
| September | 25° / 14° | 6 | 24 | 0 | 120 mm | Perfect | Omaha in September |
| October | 17° / 8° | 5 | 25 | 1 | 96 mm | Good | Omaha in October |
| November | 9° / 1° | 3 | 23 | 3 | 49 mm | Bad | Omaha in November |
| December | 2° / -5° | 4 | 18 | 9 | 62 mm | Awful | Omaha in December |