Omaha Weather in September
Thinking of visiting Omaha in September? Expect high temperatures reaching 25°C (77°F) during the day, dropping to 13°C (55°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Omaha in September
Typically, about 9 days will experience rainfall, with an average of 93 mm (3.7 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Omaha in September
September is a good time to be in Omaha. Days are excellent, reaching 25°C (77°F), with nights around 13°C (55°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 13°C (55°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Omaha in September
Expect a lot of sunshine this month, with about 247 hours of sun. These sunny conditions add to the overall experience.Our weather planner can help you find worldwide destinations with pleasant weather during this period. September typically offers the best weather for Omaha.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Omaha's climate page.
Omaha Temperature in September
Min Temperature
13°C (55°F)
Max Temperature
25°C (77°F)
Chance of Rain
30%
Precipitation
93 mm (3.7 in)
Rainy days
9 days
Humidity
71%
Sunshine
247 hours
Percentage Sunshine
65%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Omaha typically drop from around 28°C (82°F) at the start of September to approximately 24°C (75°F) by the end. Nights are cool, with lows typically ranging from 10°C (50°F) to 17°C (63°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Omaha in September
Browse day-by-day weather records for Omaha spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Omaha historical weather extremes in September
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Omaha.
- Omaha recorded its highest September temperature of 39°C (102°F) on September 2, 2000.
- Omaha registered its coldest September night on September 29, 1984, with temperatures dropping to -3°C (27°F).
Best Places in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →
perfect weather
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unpleasant
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What to Wear in Omaha in September
Warm but pleasant conditions in Omaha in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Omaha in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Omaha's climate page.
Temperature Rainfall Sunshine Humidity
See the full Omaha climate overview or explore weather in the United States of America.
