Lamu in September
In September, Lamu averages 28°C (82°F) during the day and 24°C (75°F) at night, with frequent rain — about 14 days of the month see precipitation (36 mm total).
ShoulderConditions are warm and beach-friendly. Plan for unsettled weather and bring rain gear.
September offers comfortable temperatures in Lamu, with some rain to plan around.
How September compares to the rest of the year in Lamu
September is in the middle of the year for warmth in Lamu (9th of 12) and moderately rainy compared to the rest of the year (7th of 12). Daytime temperature runs 1°C below the annual average (29°C). September runs 1°C warmer than August (27°C) and warms a further 1°C into October (29°C).
September sunrise & sunset in Lamu
Times shown for Lamu local time (Africa/Nairobi), calculated for the 15th of September. They shift by a few minutes day to day across the month.
Photography light in Lamu — September
Golden-hour and blue-hour windows for the 15th of September, in Lamu's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Lamu in September
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (Shoulder) and Lamu's popularity.
Crowds & pricing — September in Lamu
Lamu is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Why this tier: comfortable tourism weather
Sun & mosquito risk — September in Lamu
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Lamu in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 30°C / 86°F | 25°C / 77°F | 14 mm | 4 | — |
| February | 30°C / 87°F | 25°C / 78°F | 5 mm | 2 | — |
| March | 31°C / 88°F | 26°C / 79°F | 34 mm | 7 | — |
| April | 30°C / 86°F | 26°C / 79°F | 130 mm | 21 | — |
| May | 28°C / 83°F | 25°C / 77°F | 203 mm | 24 | — |
| June | 28°C / 82°F | 25°C / 76°F | 85 mm | 17 | — |
| July | 27°C / 80°F | 24°C / 75°F | 55 mm | 16 | — |
| August | 27°C / 81°F | 24°C / 75°F | 45 mm | 15 | — |
| September | 28°C / 82°F | 24°C / 75°F | 36 mm | 14 | — |
| October | 29°C / 84°F | 25°C / 77°F | 68 mm | 14 | — |
| November | 29°C / 85°F | 25°C / 78°F | 123 mm | 19 | — |
| December | 30°C / 86°F | 26°C / 78°F | 46 mm | 12 | — |
Other cities with similar September weather
🌍 See the full ranked list of climate twins for Lamu in September →
Frequently asked questions
How hot is Lamu in September?
In September, Lamu averages a high of 28°C (82°F) and a low of 24°C (75°F) — generally warm.
Does it rain a lot in Lamu in September?
September can be fairly wet in Lamu, with about 14 rainy days on average.
Is September a good time to visit Lamu?
September is warm but on the rainy side. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Lamu in September?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full September packing list for Lamu for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.