Richmond · September
Run in the morning.
Comfortable average high of 81°F, dipping to 65°F at night. Humidity rises with the sun — morning runs catch the driest, coolest window.
Avg high / low
81° / 65°F
Humidity
74%
Rain days
12/mo
Wind
9 mph
What September feels like in Richmond
Sunrise
06:52
Mid-month average
Sunset
19:16
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
Mild but UV and traffic peak. Workable if you don't mind shifting your pace.
Evening
Warm and runnable. Crowded routes but the air's typically calm.
What to wear running in Richmond in September
The kit for September in Richmond: shorts and a short-sleeve are the standard kit, a water-resistant cap or jacket on standby.
September vs the surrounding months
vs August
-5° avg high
-3 rain days
Richmond in August →
September
81°F avg high
12 rain days
Best: morning
vs October
+11° avg high
+2 rain days
Richmond in October →
Frequently Asked Questions
What is the best time of day to run in Richmond in September?+
Morning. Humidity rises with the sun — morning runs catch the driest, coolest window.
What's the average temperature in Richmond in September?+
Average high 81°F, average low 65°F.
How does September compare to surrounding months in Richmond?+
Compared to August (avg high 86°F), September is cooler. Compared to October (avg high 71°F), September is warmer.
Does it rain often in Richmond in September?+
Expect about 12 measurable rain days in September, on average.