Malaysia Kota Kinabalu Weather in September — Climate Guide
September in Kota Kinabalu is high
September is high for Kota Kinabalu.
Mt Kinabalu trek ideal + monsoon starts late September. Hotels reasonable.
Travel score
Kota Kinabalu September Weather Stats
Avg High
31°C
Avg Low
24°C
Rainy Days
12
200mm total
Sunshine
7h
Daily avg
Humidity
82%
high
UV Index
10
Very high
Wind
10 km/h
Gusts 25
Sea Temp
29°C
swimming
Crowds
Moderate
At attractions
September Sunrise & Sunset
Air Quality
PM2.5
9 μg/m³
PM10
18 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
35°C
Nighttime
25°C
Humidity and wind affect how the actual temperature feels.
Wind
10 km/h
Max gust 25 km/h
Activities Recommended for September
September Travel Pros & Cons
Pros
- Mt Kinabalu trek ideal
- Less crowded
Cons
- Monsoon starts late month
September Events & Festivals
- Mt Kinabalu trek ideal
- Monsoon transition
Kota Kinabalu in September — Full Picture
Mt Kinabalu trek ideal + monsoon starts late September. Hotels reasonable.
What to Wear & What to Pack
Hot tropical + monsoon starts.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
31.7°C
24.7°C
8/mo
Summer (Jun·Jul·Aug)
31°C
24°C
9.3/mo
Autumn (Sep·Oct·Nov)
Current31°C
24°C
13.3/mo
Winter (Dec·Jan·Feb)
30.3°C
24°C
11.3/mo
Kota Kinabalu Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 30° | 24° | 13d·180mm | 6h | 82% | 10 | Very busy | Peak | |
| February (Best) | 31° | 24° | 9d·130mm | 7h | 80% | 10 | Very busy | Peak |
| March (Best) | 31° | 24° | 7d·90mm | 8h | 78% | 11 | Busy | Shoulder |
| April (Best) | 32° | 25° | 8d·100mm | 8h | 80% | 11 | Busy | Shoulder |
| May (Best) | 32° | 25° | 9d·130mm | 8h | 80% | 11 | Very busy | Peak |
| June (Best) | 31° | 24° | 9d·130mm | 8h | 80% | 11 | Busy | Shoulder |
| July (Best) | 31° | 24° | 9d·120mm | 8h | 80% | 11 | Very busy | Peak |
| August (Best) | 31° | 24° | 10d·150mm | 7h | 80% | 10 | Busy | Shoulder |
| 31° | 24° | 12d·200mm | 7h | 82% | 10 | Moderate | Shoulder | |
| 31° | 24° | 14d·280mm | 6h | 84% | 10 | Moderate | Shoulder | |
| 31° | 24° | 14d·280mm | 6h | 84% | 10 | Moderate | Shoulder | |
| 30° | 24° | 12d·200mm | 6h | 82% | 10 | Very busy | Peak |
View Other Months
Kota Kinabalu September Hotel Picks
Frequently Asked Questions
Is September a good time to visit Kota Kinabalu?
Kota Kinabalu in September is high. Tourist crowds are moderate and flight/hotel prices are shoulder.
What's the average temperature in Kota Kinabalu in September?
Kota Kinabalu September averages a high of 31°C and a low of 24°C.
Does it rain much in Kota Kinabalu in September?
Kota Kinabalu September averages 200mm of rainfall over about 12 rainy days.
What should I wear in Kota Kinabalu in September?
Hot tropical + monsoon starts.
What time are sunrise and sunset in Kota Kinabalu in September?
Kota Kinabalu September sunrise is 06:10 and sunset is 18:15, with 12h 5min of daylight.
What's the air quality like in Kota Kinabalu in September?
Kota Kinabalu September air quality (AQI) averages 30, rated Good. PM2.5 averages 9μg/m³.
What activities are recommended in Kota Kinabalu in September?
In September, Kota Kinabalu is great for Mt Kinabalu trek, Tunku Abdul Rahman, Sipadan.
Is September peak season in Kota Kinabalu?
Kota Kinabalu September crowds are moderate and prices are shoulder. You can travel relatively comfortably without long queues.
Best Months to Visit Kota Kinabalu
View Other Months
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.