During September, Gunung Mulu National Park experiences very high daytime temperatures of 31°C (88°F) and cooler nights around 21°C (70°F). September sits within the rainy season, so expect regular and often heavy rainfall.
For more travel ideas, our weather planner can help you explore destinations around the world.
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Pick a month to see the average temperature, rainfall and sunshine in Gunung Mulu National Park - and find the best time to visit.
Browse day-by-day weather records for Gunung Mulu National Park spanning 21 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 20 years of weather observations (2006-2026), these are the most extreme conditions recorded in Gunung Mulu National Park.
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 is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm but pleasant conditions in Gunung Mulu National Park 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.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Gunung Mulu National Park climate overview or explore weather in Malaysia.
Where to go in September - average daytime high across popular destinations.
Kuching
32°C (90°F) Kuala Lumpur33°C (91°F) George Town31°C (88°F) Ipoh32°C (90°F) Pantai Cenang30°C (86°F) Johor Bahru31°C (88°F) Melaka30°C (86°F) Kota Kinabalu30°C (86°F) Need travel inspiration? Check out our bucket list articles and be inspired.
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