September · Kenya
Best time to visit Watamu in September Weather, crowds & prices
Weather in Watamu in September
Average temperature 26°C, 109 mm of rain, about 30 days with 6+ hours of sunshine and 78% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
8.3/10
Ranked #9 of 12 months
- Avg temp
- 26°C
- Rainfall
- 109 mm
- Humidity
- 78%
- Days with 6h+ sun
- 30
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $$ · Moderate Cost ($$)
September in Watamu scores 8.3/10 for beach and coastal travel - ranked #9 of 12. Expect around 26°C, 109 mm of rain, and roughly 30 days with 6+ hours of sunshine this month.
Watamu sits inside a marine park of coral gardens, mangroves, and dhow sails on Kenya's north coast. Best window: the drier months outside peak monsoon.
September in Watamu — reliably good (9th best month)
With 26°C (78°F) on average, September delivers classic beach weather: plenty of time in the water, with beach and boat plans rarely disrupted by cold.
109 mm of rain makes this a wet month here, though with about 30 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 8.3/10 on the same scale — 9th of 12 months, versus 9.7/10 for the best month here.
Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella.
Budget for mid-season pricing, and crowds are light for this destination.
Frequently asked
- What is the weather like in Watamu in September?
- In September, Watamu averages 26°C, 109 mm of rain, and about 30 days with 6+ hours of sunshine. Its climate-comfort score is 8.3/10.
- Is September a good time to visit Watamu?
- September earns a 8.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Watamu in September?
- Expect about 109 mm of rain in September. Average humidity is 78% and there are about 30 days with 6+ hours of sunshine.
Curated in Watamu
Tickets & experiences
Things to do in Watamu
Watamu, Kenya. Live activities and tours from GetYourGuide, matched to this destination.