Diani Beach · Month comparison
October vs September
September ranks #1 overall vs October at #10. Post-summer shoulder with peak-season conditions — arguably the best value month of the year.
October
#10 of 12 months
Worth considering
Short rains trickle in but are gentle — still a strong month with low crowds and good ocean.
- ↑Short rains arrive but are lighter and more intermittent than the long rains — beach days still dominate
- ↑Low crowd levels: the best month to have the beach largely to yourself with serviceable conditions
September
#1 of 12 months
Best match
Post-summer shoulder with peak-season conditions — arguably the best value month of the year.
- ↑European school holidays end, reducing demand — prices drop 20% from August while conditions remain equivalent
- ↑55mm rainfall, 8 hours sunshine: ideal for both beach and inland Shimba Hills game drive on the same day
| Factor | October | September |
|---|---|---|
| Weather score | 3 | 9 |
| Value score | 6 | 6 |
| Crowd score | 7 | 6 |
| Events score | 5 | 5 |
| Atmosphere | 7 | 8 |
| Avg high temp | 29°C | 28°C |
| Monthly rain | 153mm | 101mm |
| Daily sunshine | 11.2hrs | 11hrs |
October trade-offs
- ↓85mm rainfall: more than August–September, with occasional heavy afternoon showers disrupting plans
- ↓Short rains can arrive early or intensify in some years — some unpredictability in the second half
September trade-offs
- ↓Trade winds beginning to ease — kite surfing less consistent than July–August
- ↓Short rains start to build from late September in some years — an early October risk to consider
Scores compare months within Diani Beach. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →