September · Kenya
Best time to visit Lamu in September Weather, crowds & prices
Weather in Lamu in September
Average temperature 26°C, 38 mm of rain, about 30 days with 6+ hours of sunshine and 76% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
9.6/10
Ranked #4 of 12 months
- Avg temp
- 26°C
- Rainfall
- 38 mm
- Humidity
- 76%
- Days with 6h+ sun
- 30
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Lamu scores 9.6/10 for beach and coastal travel - an above-average month (#4 of 12). Expect around 26°C, 38 mm of rain, and roughly 30 days with 6+ hours of sunshine this month.
Lamu is a Swahili island town of coral houses and donkeys, reached by boat and known for dhow sailing.
September is one of the strongest months in Lamu (4th)
Days in September average 26°C (79°F) and humidity near 76% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
With around 38 mm of rain, any showers tend to pass through rather than settle in; about 30 days with 6+ hours of sunshine and 12 hours of daylight fill the rest.
On our climate-comfort scale this is one of the strongest months of the year for Lamu at 9.6/10 (4th of 12), just behind January at 9.8/10.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
Budget for mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Lamu in September?
- In September, Lamu averages 26°C, 38 mm of rain, and about 30 days with 6+ hours of sunshine. Its climate-comfort score is 9.6/10.
- Is September a good time to visit Lamu?
- September earns a 9.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Lamu in September?
- Expect about 38 mm of rain in September. Average humidity is 76% and there are about 30 days with 6+ hours of sunshine.
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