30YearWeather
Kuala Lumpur in September
Kuala Lumpur weather in September - Malaysia
🌧️Wet Season

Kuala Lumpur Weather in September

Plan your September trip to Kuala Lumpur, Malaysia. Based on 30 years of NASA data, expect temperatures of 30°C (high) to 23°C (low), with 60% rain probability and 8 hours of daily sunshine. Pack rain gear for around 30 rainy days.

Avg High
30°C

Hottest around day 21

Avg Low
23°C

Coolest around day 1

Rainy Days
30days

60% avg rain chance

Sunshine
8hrs/day

Autumn season

Kuala Lumpur September Weather Calendar

Click any day to see detailed weather information

Currency

MYR

RM Malaysian ringgit

Language

English

+1 more

Driving

Left side

Connect

Internet cafés are quite plentiful in Ku...

Safety

Very High Safety

GPI: 1.471

Travel Intelligence

Exclusive flight analytics & health data for Kuala Lumpur

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Major Hub
100/ 100
Traffic Index

Extremely busy airport

Peak Daily Arrivals

0

slots per day

Peak

Dec

Low

Sep

Monthly Traffic Distribution

617
Jan
624
Feb
621
Mar
607
Apr
585
May
1300
Jun
1254
Jul
1322
Aug
409
Sep
1287
Oct
1413
Nov
1479
Dec
Traffic Level
Low Season

Key Connections

Singapore Changi (SIN)
Kota Kinabalu (BKI)
Jakarta Soekarno-Hatta (CGK)
Kuching (KCH)
Penang (PEN)

Health & Safety Advisory

CDC travel health recommendations

11 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

There is no longer active cholera transmission and vaccine is not recommended.

Hepatitis A

Recommended for unvaccinated travelers one year old or older going to Malaysia.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 Malaysia. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Malaysia.

Japanese Encephalitis

Recommended for travelers whoAre moving to an area with Japanese encephalitis to liveSpend long periods of time, such as a month or more, in areas with Japanese encephalitisFrequently travel to areas with Japanese encephalitisConsider vaccination for travelersSpending less than a month in areas with Japanese encephalitis but will be doing activities that increase risk of infection, such as visiting rural areas, hiking or camping, or staying in places without air conditioning, screens, or bed netsGoing to areas with Japanese encephalitis who are uncertain of their activities or how long they will be thereNot recommended for travelers planning short-term travel to urban areas or travel to areas with no clear Japanese encephalitis season.

+5 more

Source: CDC Travelers' Health

View Complete Health Guide

Is September a Good Time to Visit Kuala Lumpur?

👌Decent conditions for most activities
Short Answer

Kuala Lumpur in September tests even seasoned travelers: 30°C daytime temperatures and 84% humidity mean early mornings or evenings are your best windows for sightseeing.

Decision Factors

Oppressive heat and humidity

30.1°C with 84% humidity - challenging conditions

High rainfall period

60% rain probability, 5mm average

Vaccinations required

Yellow Fever

Feels significantly hotter than 30.1°C

Heat index: 39°C due to 84% humidity

Off-peak season - fewer crowds

Only 28% of peak - better deals and quiet crowds

Health precautions needed

Be aware of: Leptospirosis, Dengue, Zika

Good For

  • 💰
    Budget travelers

    Off-peak pricing with acceptable weather conditions

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 👨‍👩‍👧‍👦
    Families with children

    39°C heat index dangerous for children

  • 👴
    Elderly travelers

    Heat index of 39°C poses health risks

  • 🥾
    Outdoor enthusiasts

    60% rain probability disrupts outdoor activities

  • 📸
    Photographers

    85% cloud cover limits natural light opportunities

900 observations30-year historical data
Confidence: 95%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Kuala Lumpur in September averages 30°C with 60% precipitation probability."

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

Frequently Asked Questions: Kuala Lumpur in September

What are the temperatures in Kuala Lumpur in September?

Daytime highs average 30°C, nights drop to 23°C. Temperatures remain fairly consistent.

How many rainy days in Kuala Lumpur in September?

Expect around 30 days with measurable rainfall. Definitely pack rain gear.

What to wear in Kuala Lumpur in September?

Light, breathable fabrics. Don't forget sunglasses and a hat.

Is September peak season in Kuala Lumpur?

This is off-peak season. Expect lower prices and fewer crowds.