What is the weather like in Diani Beach vs Zanzibar in September?

In September, Diani Beach averages 28°C high / 23°C low with about 60 mm of rain; Zanzibar averages 31°C high / 22°C low with about 22 mm.

Diani Beach vs Zanzibar in September

Zanzibar is the better pick in September — 93 vs 89 on SeasonMap's comfort score. Zanzibar is sweltering, dry, clean air, while Diani Beach is hot, a little rain, clean air.

Diani Beach vs Zanzibar — September climate, side by side

	🇰🇪 Diani Beach	🇹🇿 Zanzibar
Comfort score	89/100 (A)	93/100 (S)
Feels-like high	31°C	34°C
Avg high / low	28° / 23°	31° / 22°
Rainfall	60 mm	22 mm
Rainy days	19	7
Humidity	79%	75%
Air quality (AQI)	36	31

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Diani Beach vs Zanzibar in September — FAQ

Is September better in Diani Beach or Zanzibar?: Zanzibar is the better pick in September — 93 vs 89 on SeasonMap's comfort score. Zanzibar is sweltering, dry, clean air, while Diani Beach is hot, a little rain, clean air.
What is the weather like in Diani Beach vs Zanzibar in September?: In September, Diani Beach averages 28°C high / 23°C low with about 60 mm of rain; Zanzibar averages 31°C high / 22°C low with about 22 mm.