Zanzibar · Tanzania
September
Excellent conditions as the crowds thin — the last month of whale shark season.
Best match
#3 of 12 months
September is one of the best times to visit Zanzibar.
Climate
High
27°C
Low
21°C
Rain
35mm
Sun
8hrs/day
30-year climate normals · Open Meteo ERA5
How September scores in Zanzibar
Weather
Excellent
Value
Good
Crowds
Very good
Events
Above average
Atmosphere
Very good
What you gain in September
- ↑Whale shark season closes in September — a final month of high-reliability encounters before the season ends; if seeing whale sharks is the goal, September is the last viable window
- ↑European school holidays have ended and international crowds drop significantly — beaches are less crowded than August, and Stone Town's restaurants and attractions are accessible without the peak-season intensity
- ↑Prices ease from the August peak as demand normalises; September represents good value in the dry season for those who missed the July–August rush
What you sacrifice
- ↓Rainfall starts to return as the short rains approach — September can see the first showers of the transition period, though 35mm across the month is still genuinely dry by any reasonable measure
- ↓The trade winds begin easing which improves snorkelling conditions but can reduce kite surfing reliability; the kite season's best window is June–August rather than September
- ↓The kaskazi (north-east monsoon) is approaching — sea conditions can become more variable toward the end of September as the seasonal transition begins
How September compares to June (best month)
| Factor | September | June ★ |
|---|---|---|
| Weather | 8 | 8 |
| Value | 6 | 7 |
| Crowds | 7 | 7 |
September in other destinations
Lisbon (24.6°C)Barcelona (25.5°C)Tokyo (28.1°C)Bali (30.4°C)Santorini (24.1°C)Paris (21.6°C)New York (23.9°C)Marrakech (31.6°C)Amsterdam (18.8°C)Maldives (30.2°C)Rome (26.5°C)Bangkok (31°C)Istanbul (24.2°C)Vienna (22.1°C)Seoul (25.1°C)Dubrovnik (24.9°C)Rio de Janeiro (27.3°C)Kyoto (28.6°C)Phuket (31°C)Cape Town (19°C)Prague (21°C)Amalfi Coast (27°C)Mexico City (22°C)Medellín (28°C)Fiji (27°C)London (20°C)Sydney (20°C)Iceland (10°C)Tulum (32°C)Dubai (39°C)Singapore (32°C)Hoi An (31°C)Chiang Mai (31°C)Miami (32.8°C)Florence (26.3°C)Queenstown (12.5°C)Madrid (28.7°C)Porto (25°C)Edinburgh (16°C)Copenhagen (18°C)Budapest (23°C)Kraków (19°C)Tbilisi (26°C)Palawan (30°C)Hanoi (31°C)Osaka (29°C)Goa (30°C)Cusco (20°C)Buenos Aires (18°C)Mykonos (27°C)Sri Lanka (30°C)Costa Rica (24°C)
Climate data: 30-year normals (1991–2020) from Open Meteo ERA5 reanalysis. Scores compare months within Zanzibar, not across destinations. Methodology →