Stone Town · AutumnMonth summary
Stone Town weather in September
✅ Good
🌡️ Temperature min / max
23°C – 28°C
🌧 Rainy days
58% of days
☀️ Sunshine
11.4h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
7.9/10
📅 📅 Best month
August (7.9/10)
Quick decision
Should you visit Stone Town 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: Favourable conditions in September (7.9/10). August scores higher but the gap is small.
By trip type
Stone Town in September by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ✅ Good
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in September
🎯 Water at 25°C and lively beaches — September is peak swimming season in Stone Town Autumn in Stone Town is often underrated: 28°C, golden light and declining crowds. An interesting window. With 58% of rainy days, always have indoor alternatives planned. A good balance between weather and crowds, even if August (7.9/10) remains theoretically better.
Browse by month
All months for Stone Town
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌤️ January | 26°C | 32°C | 40% | 2.1 | 11.9h | 7.5/10 |
| 🌤️ February | 26°C | 32°C | 43% | 1.5 | 11.7h | 7.5/10 |
| ⛅ March | 26°C | 32°C | 64% | 3.4 | 11.3h | 7.1/10 |
| 🌦️ April | 25°C | 28°C | 93% | 13.0 | 10.2h | 7.0/10 |
| ⛅ May | 25°C | 28°C | 70% | 6.8 | 11.0h | 7.3/10 |
| 🌤️ June | 24°C | 28°C | 58% | 2.3 | 11.0h | 7.7/10 |
| ⛅ July | 23°C | 27°C | 60% | 1.5 | 11.0h | 7.7/10 |
| 🌤️ August | 23°C | 28°C | 55% | 1.4 | 11.0h | 7.9/10 |
| 🌤️ September | 23°C | 28°C | 58% | 1.5 | 11.4h | 7.9/10 |
| ⛅ October | 24°C | 29°C | 61% | 3.0 | 11.9h | 7.5/10 |
| ⛅ November | 25°C | 30°C | 77% | 3.9 | 12.0h | 7.2/10 |
| ⛅ December | 25°C | 30°C | 67% | 3.4 | 12.0h | 7.3/10 |
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, Stone Town averages 28°C, 58% rainy days and 11.4h of sunshine per day. Overall weather score: 7.9/10.
See methodology →
Comparison
September vs August (best month)
The best month is August (score 7.9/10). Difference:
- 🌡️ Max temperature : +0°C
- 🌧 Rainy days : -3%
- ☀️ Sunshine : -0.4h/day
FAQ
FAQ — Stone Town in September
Is September a good time to visit Stone Town?
September is an excellent time to visit Stone Town (score 7.9/10). With 28°C, 11.4h of sunshine and 58% rain, conditions are very favourable.
Does it rain a lot in Stone Town in September?
Yes, 58% of days see rain in September. Plan some indoor activities as backup.
Accommodation
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Activities & tours
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