What is the weather like in Mumbai in September?

Expect temperatures between 25°C and 29°C with 68% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Mumbai in September?

Mumbai in September scores 45/100 based on 30 years of climate data. Requires preparation but many visit successfully.

Who should visit Mumbai in September?

September in Mumbai is ideal for: Business travelers, Adventure seekers.

Mumbai Weather in September | 30-Year Forecast

Avg High

29°C

Hottest around day 30

Avg Low

25°C

Coolest around day 24

Rainy Days

30days

68% avg rain chance

Sunshine

8hrs/day

Autumn season

Sea Temperature in September

Arabian Sea(अरब सागर)

29.3°C

Monthly Average

Water Feel

🌴Tropical

Perfect for swimming and water sports

Swim Rating

✅Excellent for swimming

Based on average sea surface temperature

Body of Water

Arabian Sea

अरब सागर

Mumbai coastline

Essential Travel Info for Mumbai

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

INR

₹ Indian rupee

Language

English

+2 more

Driving

Left side

Connect

The area code for Mumbai is "22" (prefix...

Safety

Travel Precautions

GPI: 2.578

Travel Intelligence

Exclusive flight analytics & health data for Mumbai

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Well Connected

71/ 100

Traffic Index

Popular destination

Peak Daily Arrivals

slots per day

Peak

Mar

Low

Oct

Monthly Traffic Distribution

456

Jan

461

Feb

461

Mar

458

Apr

459

May

446

Jun

413

Jul

438

Aug

440

Sep

111

Oct

460

Nov

449

Dec

Traffic Level

Low Season

Key Connections

New Delhi Indira Gandhi (DEL)

Bangalore Bengaluru (BLR)

Chennai (MAA)

Kolkata Netaji Subhash Chandra Bose (CCU)

Ahmedabad Sardar Vallabhbhai Patel (AMD)

Health & Safety Advisory

CDC travel health recommendations

11 Recommendations

COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Chikungunya

There iselevated chikungunya riskin India.Chikungunya vaccinationmay be considered for people traveling or moving to this location if they are planning to stay for an extended period of time (for example, 6 months or more).

Cholera

Cholera ispresumed to be presentin India. Cholera is rare in travelers.Certain factorsmay increase the risk of getting cholera or having severe disease (more information). Avoiding unsafe food and water and washing your hands can also help prevent cholera.Vaccination may be considered for children and adults who are traveling to areas of active cholera transmission.

Hepatitis A

Recommended for unvaccinated travelers one year old or older going to India.Infants 6 to 11 months old should also be vaccinated against Hepatitis A. The dose does not count toward the routine 2-dose series.Travelers allergic to a vaccine component should receive a single dose of immune globulin, which provides effective protection for up to 2 months depending on dosage given.Unvaccinated travelers who are over 40 years old, are immunocompromised, or have chronic medical conditions planning to depart to a risk area in less than 2 weeks should get the initial dose of vaccine and at the same appointment receive immune globulin.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to India. Unvaccinated travelers 60 years and older may get vaccinated before traveling to India.

Japanese Encephalitis

Recommended for travelers whoAre moving to an area with Japanese encephalitis to liveSpend long periods of time, such as a month or more, in areas with Japanese encephalitisFrequently travel to areas with Japanese encephalitisConsider vaccination for travelersSpending less than a month in areas with Japanese encephalitis but will be doing activities that increase risk of infection, such as visiting rural areas, hiking or camping, or staying in places without air conditioning, screens, or bed netsGoing to areas with Japanese encephalitis who are uncertain of their activities or how long they will be thereNot recommended for travelers planning short-term travel to urban areas or travel to areas with no clear Japanese encephalitis season.

+5 more

Source: CDC Travelers' Health

View Complete Health Guide

Is September a Good Time to Visit Mumbai?

🤔Requires preparation but many visit successfully(45/100)

Short Answer

Storm season alert for Mumbai in September: beyond the 29°C, 68% rain averages, hurricane risk requires travel insurance and schedule flexibility.

Decision Factors

Cyclone season active

Indian Ocean zone - expect potential cyclone activity

Oppressive heat and humidity

28.6°C with 87% humidity - challenging conditions

High rainfall period

68% rain probability, 7.1mm average

Vaccinations required

Yellow Fever

Feels significantly hotter than 28.6°C

Heat index: 35°C due to 87% humidity

Warm tropical seas

29.3°C sea temperature - Hot Soup

Good For

💼
Business travelers
Climate-controlled meetings unaffected by weather
🎯
Adventure seekers
1.03m waves - good for surfing and water sports

Who Should Avoid

💰
Budget travelers
Peak season means premium prices everywhere
👴
Elderly travelers
87% humidity creates difficult conditions
🥾
Outdoor enthusiasts
68% rain probability disrupts outdoor activities
📸
Photographers
75% cloud cover limits natural light opportunities

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Mumbai in September averages 29°C with 68% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Mumbai in September

What are the temperatures in Mumbai in September?

Daytime highs average 29°C, nights drop to 25°C. Temperatures remain fairly consistent.

How many rainy days in Mumbai in September?

Expect around 30 days with measurable rainfall. Definitely pack rain gear.

What to wear in Mumbai in September?

Light, breathable fabrics. Don't forget sunglasses and a hat.

Is September peak season in Mumbai?

This is off-peak season. Expect lower prices and fewer crowds.

Mumbai Weather in September