Historical data suggests significant rain risk (74%) on September 4. If you seek sun, consider a different date. Bring rain gear! Mumbai is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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Essential Travel Info for Mumbai
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
Mumbai Weather Forecast for September 4
"Rainy & Overcast. Expect average highs of 28.2°C. 74% chance of rain."
What to Wear in Mumbai in September
Based on historical data for September 4, Mumbai typically experiences temperatures between 25.2°C and 28.2°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 74% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Mumbai
Smart Suitcase
- T-Shirt
- Light Clothing
- Umbrella
Average High
28.2°C
Daytime Peak
Average Low
25.2°C
Nighttime Low
Feels Like
33.8°C
🔥 Heat index effect
Rain Chance
74%
Avg 9.7mm if it rains
Cloud Cover
81%
Moderate rain
Pressure
1006.8 hPa
Low volatility
Mumbai Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 91% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
Type I-II
🔴 32 min to burn
Type III-IV
🟡 48 min to burn
Type V-VI
🟢 80 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
25.8°C
Humid/Sticky
Heat Index
33.8°C
Feels hotter
😕 Best outdoor time:
Morning hours (before 11 AM)
Marine Conditions
Jellyfish Warning
High water temps may attract jellyfish swarms.
Swim Index
⚠️ Mixed Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in India
Flight Traffic
High
95/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~440
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Mumbai
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:55
☀️ Noon
13:09
🌇 Sunset
19:22
⏱️ Daylight
12h 27m
Wind Speed
16.8 km/h
Gentle breeze
Sunshine
7.8 hrs
Direct Sun (Cloud-free)
Humidity
87%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Mumbai
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Mumbai
Travel Comfort Index
Real-time tourism conditions
Weather Quality
🌧️ Variable
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Mild discomfort possible for arthritic conditions.
Moderate fish activity expected.
Very unhealthy. Avoid outdoor activities. Wear N95 mask if you must go out.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
Cyclone Risk
Season: Apr - Dec
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Mumbai on September 4 averages 28.2°C with a 74% precipitation probability. Wedding/Outdoor Event Score: 54/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Mumbai Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (September 4) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Mumbai Worth Visiting on September 4?
Planning a trip to Mumbai on September 4? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 28.2°C with a 74% historical precipitation risk.
✈️ Travel Logistics: Approximately 440 landing slots available daily during this period, indicating peak tourist activity.
💉 Health Advisory: 11 vaccinations are recommended for India, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 29°C (hot soup). Wave conditions are generally fun waves with heights around 1.13m.
📊 Historical Extremes: The hottest September 4 recorded in the last 30 years saw temperatures hit 31°C in 2020, while the coldest dropped to 24°C in 2023.