Paris · September
Run in the morning.
Comfortable average high of 72°F, dipping to 55°F at night. Humidity rises with the sun — morning runs catch the driest, coolest window.
Avg high / low
72° / 55°F
Humidity
72%
Rain days
11/mo
Wind
10 mph
What September feels like in Paris
Sunrise
07:28
Mid-month average
Sunset
20:03
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 Paris in September
The kit for September in Paris: shorts and a short-sleeve are the standard kit.
September vs the surrounding months
vs August
-5° avg high
-3 rain days
Paris in August →
September
72°F avg high
11 rain days
Best: morning
vs October
+9° avg high
-4 rain days
Paris in October →
Frequently Asked Questions
What is the best time of day to run in Paris in September?+
Morning. Humidity rises with the sun — morning runs catch the driest, coolest window.
What's the average temperature in Paris in September?+
Average high 72°F, average low 55°F.
How does September compare to surrounding months in Paris?+
Compared to August (avg high 77°F), September is cooler. Compared to October (avg high 63°F), September is warmer.
Does it rain often in Paris in September?+
Expect about 11 measurable rain days in September, on average.