Kenya
Watamu in September: weather, sea & travel advice
This month's data profile
Sea conditions lead
Watamu in September is climatically well suited to beach holidays, family holidays and city breaks. The average daily high is around 28 °C, and the sea is about 26 °C. With about 8 rainy days it is moderate.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
86/100 · #1
Warmth
#9
Dryness
#3
Sun
#4
Sea warmth
#11
Published best categories: Overall, Beach, City break, Active, Family
Watamu · SeptemberPhoto: Filip Lachowski · CC BY-SA 2.0Climate facts
- Average high
- 28 °C
- Average low
- 24 °C
- Sea
- 26 °C
- Rainy days (est.)
- 8 rainy days (est.)
- Sun (est.)
- 8 h/day
- Humidity
- 76 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| August | 27 | 23 | 8 | 30 | 7.3 | 76 | 5.0 | 25 | 86 |
| September (selected) | 28 | 24 | 8 | 41 | 8.1 | 76 | 4.6 | 26 | 86 |
| October | 29 | 25 | 11 | 82 | 8.2 | 77 | 3.8 | 26 | 75 |
How do the previous and next months compare?
Baseline: September (86/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| August | ±0 | -0.6 °C | -0.3 °C | +0.6 | -11.2 mm | -0.8 h | -0.5 % | +0.4 m/s | -0.3 °C |
| October | -11 | +1 °C | +0.7 °C | +3.8 | +41.5 mm | +0.1 h | +1 % | -0.8 m/s | +0.9 °C |
All twelve months in context
Find a place to stay
Where to stay in Watamu
Compare available stays, prices and cancellation terms for Watamu on Booking.com.
Booking.comFind places to stayAffiliate link: there is no extra cost to you.
Useful next decisions
Frequently asked questions
How warm is Watamu in September?
The average daily high is around 28 °C, with an average daily low of about 24 °C.
Can you swim in Watamu in September?
The sea is about 26 °C (warm).
Does it rain a lot in Watamu in September?
The curated estimate is about 8 rainy days per month, not a directly measured long-term average. Total precipitation averages around 41 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Watamu?
By the climate score, January, July, August and September are the strongest months for Watamu. For a beach trip: January, July, August and September. September is one of them.