Tampa · September
Run in the pre-dawn.
Average high is 86°F with a 75°F overnight low. Humidity averages 82% — the limiting factor on most runs. Expect 24 rain days — plan around the radar. Humid heat punishes mid-morning — get out before sunrise for the only truly comfortable window.
Avg high / low
86° / 75°F
Humidity
82%
Rain days
24/mo
Wind
10 mph
What September feels like in Tampa
Sunrise
07:15
Mid-month average
Sunset
19:34
Mid-month average
Time-of-day breakdown
Morning
Coolest, driest air of the day. The window before sunrise is the most reliable comfortable hour.
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 Tampa in September
The kit for September in Tampa: light, breathable, and moisture-wicking — singlet or short-sleeve only, a water-resistant cap or jacket on standby.
September vs the surrounding months
vs August
-2° avg high
-5 rain days
Tampa in August →
September
86°F avg high
24 rain days
Best: pre-dawn
vs October
+3° avg high
+10 rain days
Tampa in October →
Frequently Asked Questions
What is the best time of day to run in Tampa 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 Tampa in September?+
Average high 86°F, average low 75°F.
How does September compare to surrounding months in Tampa?+
Compared to August (avg high 88°F), September is cooler. Compared to October (avg high 83°F), September is warmer.
Does it rain often in Tampa in September?+
Expect about 24 measurable rain days in September, on average.