India Mumbai Weather in September — Climate Guide
September in Mumbai is moderate
September is moderate for Mumbai.
Monsoon wraps up mid-month. Rates back toward normal; weather still unpredictable.
Travel score
Mumbai September Weather Stats
Avg High
30°C
Avg Low
24°C
Rainy Days
15
320mm total
Sunshine
6h
Daily avg
Humidity
84%
high
UV Index
10
Very high
Wind
15 km/h
Gusts 30
Sea Temp
0°C
no swimming
Crowds
Moderate
At attractions
September Sunrise & Sunset
Air Quality
PM2.5
40 μg/m³
PM10
75 μg/m³
Status
moderate
Feels-Like Temperature & Wind
Feels like
Daytime
33°C
Nighttime
24°C
Humidity and wind affect how the actual temperature feels.
Wind
15 km/h
Max gust 30 km/h
Activities Recommended for September
September Travel Pros & Cons
Pros
- Hotel rates moderate
- Ganesh immersion processions
- Air still clean
Cons
- Rain still 15 days/month early in the month
September Events & Festivals
- Korean Chuseok shoulder week
- Ganesh Chaturthi finale (immersion week)
Mumbai in September — Full Picture
Monsoon wraps up mid-month. Rates back toward normal; weather still unpredictable.
What to Wear & What to Pack
Light cottons, rain jacket on standby.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
33°C
23.7°C
0.7/mo
Summer (Jun·Jul·Aug)
30.7°C
25°C
20/mo
Autumn (Sep·Oct·Nov)
Current32°C
22.7°C
7/mo
Winter (Dec·Jan·Feb)
30.7°C
17.7°C
0/mo
Mumbai Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| January (Best) | 30° | 17° | 0d·1mm | 9h | 65% | 8 | Very busy | Peak |
| February (Best) | 31° | 18° | 0d·1mm | 10h | 65% | 9 | Very busy | Peak |
| 33° | 21° | 0d·1mm | 9h | 65% | 10 | Busy | Shoulder | |
| 33° | 24° | 1d·5mm | 9h | 70% | 11 | Moderate | Shoulder | |
| 33° | 26° | 1d·15mm | 9h | 72% | 12 | Moderate | Shoulder | |
| 32° | 25° | 16d·510mm | 5h | 80% | 11 | Moderate | Low season | |
| 30° | 25° | 23d·870mm | 3h | 87% | 10 | Moderate | Low season | |
| 30° | 25° | 21d·530mm | 4h | 87% | 10 | Moderate | Low season | |
| 30° | 24° | 15d·320mm | 6h | 84% | 10 | Moderate | Shoulder | |
| October (Best) | 33° | 23° | 5d·90mm | 8h | 73% | 10 | Busy | Shoulder |
| November (Best) | 33° | 21° | 1d·17mm | 9h | 65% | 9 | Very busy | Peak |
| December (Best) | 31° | 18° | 0d·1mm | 9h | 65% | 8 | Very busy | Peak |
View Other Months
Mumbai September Hotel Picks
Frequently Asked Questions
Is September a good time to visit Mumbai?
Mumbai in September is moderate. Tourist crowds are moderate and flight/hotel prices are shoulder.
What's the average temperature in Mumbai in September?
Mumbai September averages a high of 30°C and a low of 24°C.
Does it rain much in Mumbai in September?
Mumbai September averages 320mm of rainfall over about 15 rainy days.
What should I wear in Mumbai in September?
Light cottons, rain jacket on standby.
What time are sunrise and sunset in Mumbai in September?
Mumbai September sunrise is 06:30 and sunset is 18:35, with 12h 5min of daylight.
What's the air quality like in Mumbai in September?
Mumbai September air quality (AQI) averages 85, rated Moderate. PM2.5 averages 40μg/m³.
What activities are recommended in Mumbai in September?
In September, Mumbai is great for Indoor cultural sites, Bollywood Film City, Ganesh immersions at Chowpatty Beach.
Is September peak season in Mumbai?
Mumbai September crowds are moderate and prices are shoulder. You can travel relatively comfortably without long queues.
Best Months to Visit Mumbai
View Other Months
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.