The month in detail
What to expect in September
September falls in the wet season in Mumbai. Showers are often brief but intense. With 69% of rainy days, always have indoor alternatives planned.
September ranks 10 out of 12 months in Mumbai. Compared to August: 14 pts fewer rainy days, +2.4h of sun per day.
This month's conditions
What it's like in September
UV index
6 · high
sunscreen and hat advised
Feels like
oppressive heat
24°
Sea
29°C
warm, ideal
Daylight
12.1h of daylight
Air quality
fair
AQI 44
Compare
Is September the right month?
The best month in Mumbai is January (9.2/10), 4.5 pts higher than September.
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · Mumbai
Expedia →
Activities
Tours, tickets, experiences
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Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Mumbai
GetYourGuide selection · free cancellation
Practical info
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a tropical stay.
Country · India
🗣️LanguageHindi
💶CurrencyIndian Rupee (₹)
🚗DrivingLeft-hand
🛡️Safety ⓘSafe · 2/5
💰Cost of living ⓘVery cheap · 1/5
🌡️ Climate
🌍Climate typeTropical
📈Climate trend ⓘ+1.54°F/decade
🔥Hottest monthApril · 91°F
❄️Coolest monthJuly · 82°F
🌧️Rainiest month ⓘJuly · 93%
🏝️ Tropical stay
🌞Dry season ⓘMay → Sep
🌧️Wet season ⓘDec → Mar
🌀Cyclones ⓘSeason Nov-Apr
Explore
Other destinations in September
If September doesn't convince you for this destination, compare with others.
Location
Where is Mumbai ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
Tropical climate with a 9.2 → 4.4 gap between best and worst month. 10 years of ERA5 data to choose by project.
19.08°N · 72.88°E
Questions
Frequently asked questions
What is the best time to visit Mumbai?
January is the best month with 86°F highs, 66°F lows, 9.1h of sunshine and 1.0% rainy days. The months of January & February offer comparable conditions.
How many hours of sunshine does Mumbai get in January?
Mumbai averages 9.1 sunshine hours per day in January. It is the sunniest month with a climate score of 9.0/10.
What is the rainiest month in Mumbai?
August is the most unfavourable month with August has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Mumbai in January?
In January, overnight lows reach 66°F, while afternoon highs average 86°F.
Is Mumbai good in winter?
In winter (December-February), Mumbai scores 8.0/10 on average — Acceptable conditions for cultural visits.. The best month overall remains January with a score of 9.0/10.
When should you avoid Mumbai?
August is the most difficult month to visit Mumbai, with August has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Mumbai in September?
In September, the sea averages 85°F in Mumbai: warm, ideal. Ideal conditions for swimming and snorkeling.
Do you need sun protection in Mumbai in September?
The average UV index reaches 6 in September in Mumbai (high), with about 12.1h of daylight. Sunscreen and hat advised.






