Weather in Tulsa in September 2025
Average weather
Average temperature in Tulsa in September
Going from a maximum of +38°C during the day to a minimum of +16°C during the night, the temperature in September averages around +32°C.
The average maximum temperature goes down 9% by the end of the month, compared with the beginning of the month, from +34°C to +32°C.
Is Tulsa warm or cold in September?
Tulsa is typically warm in September.
Maximum temperatures go down compared to the previous month from +34°C to +29°C. The minimum temperature also goes down from +22°C to +18°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how September is compared to other months in Tulsa:
Climate in Tulsa in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +34°C | +29°C | +23°C | ||||
| Min. temperature | ||||||
| +13°C | +2°C | -6°C | ||||
| Max. temperature | ||||||
| +45°C | +41°C | +35°C | ||||
| Rainfall | ||||||
| 74 mm | 95 mm | 97 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 3 m/s | ||||
| Humidity | ||||||
| 65% | 67% | 66% | ||||
| Air pressure | ||||||
| 1013 HPa | 1015 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 10 | 11 | 12 | ||||
| Cloudy days | ||||||
| 7 | 7 | 8 | ||||
| Rainy days | ||||||
| 11 | 10 | 10 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September often has better weather than August. It’s getting colder in September. From +34°C in the day, the average maximum temperature lowers to +29°C. Prepare for more rain. Average rainfall goes from 74 mm to 95 mm. Humidity rises from 65% to 67%. The average wind speed doesn’t change much during September, staying around 2 m/s. The good news is there are likely to be more sunny days in September, from 10 to 11.
October brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Tulsa is gradually increasing during September, going from 3 m/s to 4 m/s over the course of the month.
Rain
How was the weather last September in Tulsa?
Climate Change over Years
The climate in Tulsa in September has not changed much over the last 43 years.
The average temperature was the lowest in 1979 (+20°C) and the highest in 2012 (+25°C). The driest year was 2006 with only 605 mm of rainfall, and the wettest year was 2019 with 1792 mm.
FAQ
Is September a good time to visit Tulsa?
Can you sunbathe in Tulsa in September?
Is Tulsa rainy in September?
Is it sunny in Tulsa in September?
Other cities in USA
Monthly weather in Tulsa
Source of the data
For this page, we’ve looked at the typical weather in Tulsa, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
