Mumbai · AutumnMonth summary
Mumbai weather in September
✅ Good
🌡️ Temperature min / max
77°F – 82°F
🌧 Rainy days
92% of days
☀️ Sunshine
9.9h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
7.0/10
📅 📅 Best month
January (8.8/10)
Quick decision
Should you visit Mumbai in September?
✅ Good
✅ Yes if: you're willing to accept showers in exchange for lower prices and fewer tourists.
❌ No if: you're planning 100% outdoor activities — rain is frequent.
Our take: September is a good time to visit Mumbai. January remains slightly better (+1.8 pts).
By trip type
Mumbai in September by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : ⚠️ Possible
- 💰 💰 Budget : ✅ Low season
Local context
What to expect in September
Autumn in Mumbai is often underrated: 28°F, golden light and declining crowds. An interesting window. With 92% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. January (8.8/10) is significantly better if possible.
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Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ☀️ January | 66°F | 86°F | 2% | 0.0in | 10.8h | 8.8/10 |
| ☀️ February | 68°F | 88°F | 0% | 0.0in | 11.0h | 8.6/10 |
| ☀️ March | 73°F | 90°F | 0% | 0.0in | 11.2h | 8.4/10 |
| ☀️ April | 77°F | 91°F | 0% | 0.0in | 12.0h | 8.1/10 |
| ☀️ May | 81°F | 91°F | 17% | 0.1in | 12.0h | 7.7/10 |
| 🌧️ June | 79°F | 86°F | 87% | 0.6in | 9.7h | 6.5/10 |
| 🌧️ July | 79°F | 82°F | 100% | 1.0in | 4.5h | 5.1/10 |
| 🌧️ August | 77°F | 82°F | 98% | 0.6in | 9.2h | 7.0/10 |
| 🌧️ September | 77°F | 82°F | 92% | 0.6in | 9.9h | 7.0/10 |
| 🌤️ October | 77°F | 88°F | 40% | 0.1in | 10.9h | 7.5/10 |
| ☀️ November | 72°F | 90°F | 5% | 0.0in | 10.3h | 8.1/10 |
| ☀️ December | 68°F | 88°F | 3% | 0.0in | 10.0h | 8.3/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In September, Mumbai averages 82°F, 92% rainy days and 9.9h of sunshine per day. Overall weather score: 7.0/10.
See methodology →
Comparison
September vs January (best month)
The best month is January (score 8.8/10). Difference:
- 🌡️ Max temperature : +2°F
- 🌧 Rainy days : -90%
- ☀️ Sunshine : +0.9h/day
FAQ
FAQ — Mumbai in September
Is September a good time to visit Mumbai?
September is an acceptable time for Mumbai (score 7.0/10). Conditions are decent but not optimal — consider January (8.8/10) if possible.
Does it rain a lot in Mumbai in September?
Yes, 92% of days see rain in September. Plan some indoor activities as backup.
Accommodation
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Activities & tours
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