World Resorts India Mumbai Weather

Mumbai weather in September

Weather in Mumbai: September

Average day temperature: 85.6°F
Average night temperature: 79.9°F
Sea water temperature: 83.2°F
Number of sunny days: 5 days
Day length: 12.0 - 12.5 hours
Number of rainy days: 13 days
Precipitation totals: 10.4 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 82°F. At the same time the lowest night temperature was 77°F. Daily and nightly averages during September were 81.0°F and 79.0°F.

Sea water temperature in Mumbai in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 82.6°F. The highest and lowest sea temperatures during the month were 83.1°F and 82.0°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Mumbai in September is 11.8 in. It makes september one of the most rainy months of the year.

Wind speed in September, mph

The average wind speed value in September is 9.2 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 4.1.

Best time for vacation in Mumbai

Sunniest months:
January 30 days
March 30 days
April 29 days
Warmest months:
April 92.5 °F
November 91.4 °F
May 91.2 °F
Warmest sea temp:
May 86.3 °F
June 85.8 °F
April 84.4 °F
Coldest months:
August 84.5 °F
July 84.7 °F
September 85.6 °F
Rainiest months:
July 27 days
August 21 days
June 17 days
Windiest months:
July 14.6 mph
August 12.7 mph
June 12.2 mph

Mumbai on a weather map

Mumbai
+82°F
SW 4 mph
Feels like: +86°F
Precip.: 0%
Places in India:
Name
°F
+90°F
+91°F
+88°F
+90°F
+90°F
+70°F
+91°F
+90°F
+90°F
+90°F
+91°F
+90°F
+82°F
+81°F
24 Hours Forecast
Mumbai
Local time: 13:21
December 05, friday
1500
82°F
SE
12 mph
1800
81°F
SE
14 mph
2100
81°F
S
12 mph
December 06, saturday
0000
81°F
SW
4 mph
0300
79°F
W
9 mph
0600
77°F
W
10 mph
0900
77°F
W
9 mph
1200
82°F
W
3 mph
Units of measurement: °C / °F