Mumbai · September
Run in the morning.
Comfortable average high of 83°F, dipping to 77°F at night. Humidity averages 87% — the limiting factor on most runs. Expect 28 rain days — plan around the radar. Humidity rises with the sun — morning runs catch the driest, coolest window.
Avg high / low
83° / 77°F
Humidity
87%
Rain days
28/mo
Wind
11 mph
What September feels like in Mumbai
Sunrise
06:26
Mid-month average
Sunset
18:41
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 Mumbai in September
The kit for September in Mumbai: shorts and a short-sleeve are the standard kit, a water-resistant cap or jacket on standby.
September vs the surrounding months
vs August
+1° avg high
-3 rain days
Mumbai in August →
September
83°F avg high
28 rain days
Best: morning
vs October
-5° avg high
+14 rain days
Mumbai in October →
Frequently Asked Questions
What is the best time of day to run in Mumbai in September?+
Morning. Humidity rises with the sun — morning runs catch the driest, coolest window.
What's the average temperature in Mumbai in September?+
Average high 83°F, average low 77°F.
How does September compare to surrounding months in Mumbai?+
Compared to August (avg high 82°F), September is warmer. Compared to October (avg high 88°F), September is cooler.
Does it rain often in Mumbai in September?+
Expect about 28 measurable rain days in September, on average.