Kota Kinabalu Weather in September
Thinking of visiting Kota Kinabalu in September? Expect very high temperatures reaching 30°C (86°F) during the day, dropping to 25°C (77°F) at night. Heavy showers are common during the rainy season.
Rainfall in Kota Kinabalu in September
Kota Kinabalu is in the rainy season in September, with rain on around 22 days and an average of 203 mm (8 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.
Temperature in Kota Kinabalu in September
Daytime temperatures in Kota Kinabalu reach 30°C (86°F) in September, dropping to 25°C (77°F) at night. It's usually most comfortable outside during the morning and later in the day. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about.
Sunshine in Kota Kinabalu in September
The area enjoys a balanced 181 hours of sunlight, ensuring it's neither too rainy nor too sunny.
Wind Speed in Kota Kinabalu in September
Average wind conditions reach 2 m/s (4 knots) in September. This creates comfortable weather with light winds that gently move vegetation. Keep in mind this is an average. Daily conditions range from near-calm to more noticeable wind.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Kota Kinabalu. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Malaysia, check out our Kota Kinabalu's climate page.
Kota Kinabalu Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
30°C (86°F)
Chance of Rain
72%
Precipitation
203 mm (8 in)
Rainy days
22 days
Humidity
81%
Windspeed
2 m/s (4 knots)
Sunshine
181 hours
Percentage Sunshine
Daily Historical Temperatures
47-year average (1976-2025)
Based on our historical records, temperatures in Kota Kinabalu typically stay consistent throughout September, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in September
Daily Historical Precipitation
47-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Kota Kinabalu in September
Browse day-by-day weather records for Kota Kinabalu spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Kota Kinabalu historical weather extremes in September
Our historical data for Kota Kinabalu spans 1999 to 2025, revealing these weather extremes.
- On September 30, 2009, temperatures climbed to 36°C (97°F), marking the warmest September day on record.
- On September 23, 2003, Kota Kinabalu saw its coldest September day with temperatures maxing out at 24°C (75°F).
- The lowest overnight temperature recorded in September was 22°C (72°F) (September 25, 2025).
- The wettest September day on record brought 139 mm (5.5 in) of precipitation to Kota Kinabalu (September 9, 2016).
Best Places in Malaysia in September
Find out more about the weather in Malaysia and which places have the best travel conditions in this month. See all of Malaysia in September →
perfect weather
pleasant
tolerable
unpleasant
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What to Wear in Kota Kinabalu in September
Warm but pleasant conditions in Kota Kinabalu in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Kota Kinabalu in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Malaysia, check out our Kota Kinabalu's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Kota Kinabalu climate overview or explore weather in Malaysia.
