30YearWeather
Lamu in September
Lamu weather in September - Kenya
😊Warm & Pleasant

Lamu Weather in September

Plan your September trip to Lamu, Kenya. Based on 30 years of NASA data, expect temperatures of 28°C (high) to 24°C (low), with 8% rain probability and 8 hours of daily sunshine. The Coastal Waters averages 27°C in September. Great conditions with only 0 rainy days expected.

Avg High
28°C

Hottest around day 30

Avg Low
24°C

Coolest around day 1

Rainy Days
0days

8% avg rain chance

Sunshine
8hrs/day

Autumn season

Sea Temperature in September

Coastal Waters(Ocean)

26.9°C

Monthly Average

Water Feel
🌴Tropical

Perfect for swimming and water sports

Swim Rating
Excellent for swimming

Based on average sea surface temperature

Body of Water
Coastal Waters

Ocean

Lamu coastline

Lamu September Weather Calendar

Click any day to see detailed weather information

Day 1
clear-day
Sunny
28°C6%
Day 2
clear-day
Sunny
28°C7%
Day 3
clear-day
Sunny
28°C8%
Day 4
clear-day
Sunny
28°C10%
Day 5
clear-day
Sunny
28°C8%
Day 6
clear-day
Sunny
28°C9%
Day 7
clear-day
Sunny
28°C8%
Day 8
clear-day
Sunny
28°C8%
Day 9
clear-day
Sunny
28°C6%
Day 10
clear-day
Sunny
28°C5%
Day 11
clear-day
Sunny
28°C5%
Day 12
clear-day
Sunny
28°C7%
Day 13
clear-day
Sunny
28°C7%
Day 14
clear-day
Sunny
28°C11%
Day 15
clear-day
Sunny
28°C12%
Day 16
clear-day
Sunny
28°C11%
Day 17
clear-day
Sunny
28°C10%
Day 18
clear-day
Sunny
28°C7%
Day 19
clear-day
Sunny
28°C7%
Day 20
clear-day
Sunny
28°C8%
Day 21
clear-day
Sunny
28°C8%
Day 22
clear-day
Sunny
28°C8%
Day 23
clear-day
Sunny
28°C10%
Day 24
clear-day
Sunny
28°C8%
Day 25
clear-day
Sunny
28°C8%
Day 26
clear-day
Sunny
28°C8%
Day 27
clear-day
Sunny
28°C10%
Day 28
clear-day
Sunny
28°C9%
Day 29
clear-day
Sunny
28°C8%
Day 30
clear-day
Sunny
28°C7%

Currency

KES

Sh Kenyan shilling

Language

English

+1 more

Driving

Left side

Safety

Moderate Safety

GPI: 2.303

Travel Intelligence

Exclusive flight analytics & health data for Lamu

Smart Flight Estimator

Airport-to-Airport Logistics

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Add your home location in settings to see airport details.

Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Remote
2/ 100
Traffic Index

Off the beaten path

Peak Daily Arrivals

0

slots per day

Peak

Jan

Low

Dec

Monthly Traffic Distribution

4
Jan
2
Feb
2
Mar
2
Apr
2
May
2
Jun
2
Jul
2
Aug
2
Sep
2
Oct
2
Nov
2
Dec
Traffic Level
Low Season

Key Connections

Mombasa Moi (MBA)
Nairobi Jomo Kenyatta (NBO)
Malindi (MYD)

Health & Safety Advisory

CDC travel health recommendations

13 Recommendations
COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Chikungunya

All travelers should take steps to prevent mosquito bites. Chikungunya vaccination is generally not recommended. Travelers who wish to consider vaccination can visit “What to consider before traveling” on thechikungunya vaccinespage to learn more.

Cholera

Areas of active cholera transmission arelocalizedto the counties of Garissa (last case reported 3-6 months ago), Kisumu (last case reported 6-9 months ago), Kwale (last case reported 6-9 months ago), Migori (last case reported in the past 3 months), Mombasa (last case reported 6-9 months ago), Nairobi (last case reported in the past 3 months), Narok (last case reported in the past 3 months), and Turkana (last case reported 3-6 months ago) in Kenya. Cholera is rare in travelers.Certain factorsmay increase the risk of getting cholera or having severe disease (more information). Avoiding unsafe food and water and washing your hands can also help prevent cholera.Vaccination may be considered for children and adults who are traveling to areas of active cholera transmission.

Hepatitis A

Recommended for unvaccinated travelers one year old or older going to Kenya.Infants 6 to 11 months old should also be vaccinated against Hepatitis A. The dose does not count toward the routine 2-dose series.Travelers allergic to a vaccine component should receive a single dose of immune globulin, which provides effective protection for up to 2 months depending on dosage given.Unvaccinated travelers who are over 40 years old, are immunocompromised, or have chronic medical conditions planning to depart to a risk area in less than 2 weeks should get the initial dose of vaccine and at the same appointment receive immune globulin.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to Kenya. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Kenya.

Malaria

CDC recommends that travelers going to certain areas of Kenya take prescription medicine to prevent malaria. Depending on the medicine you take, you will need to start taking this medicine multiple days before your trip, as well as during and after your trip. Talk to your doctor about which malaria medication you should take.Transmission areasAll areas (including game parks) <2,500 m (<8,200 ft) elevation; rare cases in the highly urbanized central part of the city of Nairobi (the capital)Drug resistanceChloroquineSpeciesP. falciparum(primarily)P. malariae,P. ovale, andP. vivax(less commonly)Recommended chemoprophylaxisAtovaquone-proguanil, doxycycline, mefloquine, tafenoquine2Highly urbanized central part of the city of Nairobi: No chemoprophylaxis recommended (insect bite precautions and mosquito avoidance only)4Updated April 23, 2025See footnotes

+7 more

Source: CDC Travelers' Health

View Complete Health Guide

Is September a Good Time to Visit Lamu?

👌Decent conditions for most activities
Short Answer

September brings storm season risk to Lamu. While typical weather is 28°C with 8% rain, plan for potential disruptions and secure cancellation-friendly bookings.

Decision Factors

Cyclone season active

Indian Ocean zone - expect potential cyclone activity

Vaccinations required

Yellow Fever

Warm tropical seas

26.9°C sea temperature - Tropical Bath

Excellent dry conditions

Only 8% rain probability - ideal for outdoor activities

Health precautions needed

Be aware of: Leptospirosis, Melioidosis, Schistosomiasis

Plenty of sunshine

11.2h of sunshine daily

Good For

  • 🏖️
    Beach lovers

    26.9°C warm seas and 8% rain probability

  • 👨‍👩‍👧‍👦
    Families with children

    Comfortable 27.9°C temperatures and low 8% rain risk

  • 🥾
    Outdoor enthusiasts

    Ideal hiking conditions: 27.9°C, 8% rain chance

  • 📸
    Photographers

    11.2h sunshine, 56% clear skies for golden hour shots

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

Who Should Avoid

  • 👴
    Elderly travelers

    75% humidity creates difficult conditions

  • 💼
    Business travelers

    Storm season may cause flight disruptions

900 observations30-year historical data
Confidence: 99%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Lamu in September averages 28°C with 8% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Lamu in September

What are the temperatures in Lamu in September?

Daytime highs average 28°C, nights drop to 24°C. Temperatures remain fairly consistent.

How many rainy days in Lamu in September?

Expect around 0 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Lamu in September?

Comfortable casual wear with a light jacket for evenings.

Is September peak season in Lamu?

This is typically peak season with higher prices. Book 2-3 months ahead.