Tulsa · September
Run in the pre-dawn.
Average high is 85°F with a 68°F overnight low. Humid heat punishes mid-morning — get out before sunrise for the only truly comfortable window.
Avg high / low
85° / 68°F
Humidity
66%
Rain days
10/mo
Wind
10 mph
What September feels like in Tulsa
Sunrise
07:07
Mid-month average
Sunset
19:30
Mid-month average
Time-of-day breakdown
Morning
Steady cool air, low wind, and good light. The standard runner window in most months.
Midday
Heat peaks here. Skip unless you've got shade and pace tolerance.
Evening
Cools off after sunset but still warm. Good for easy efforts; avoid hard intervals if you're chasing pace.
What to wear running in Tulsa in September
The kit for September in Tulsa: light, breathable, and moisture-wicking — singlet or short-sleeve only.
September vs the surrounding months
vs August
-5° avg high
-3 rain days
Tulsa in August →
September
85°F avg high
10 rain days
Best: pre-dawn
vs October
+13° avg high
-2 rain days
Tulsa in October →
Frequently Asked Questions
What is the best time of day to run in Tulsa in September?+
Pre-dawn. Humid heat punishes mid-morning — get out before sunrise for the only truly comfortable window.
What's the average temperature in Tulsa in September?+
Average high 85°F, average low 68°F.
How does September compare to surrounding months in Tulsa?+
Compared to August (avg high 90°F), September is cooler. Compared to October (avg high 73°F), September is warmer.
Does it rain often in Tulsa in September?+
Expect about 10 measurable rain days in September, on average.