During September, Miri experiences very high daytime temperatures of 30°C (86°F) and cooler nights around 26°C (79°F). September sits within the rainy season, so expect regular and often heavy rainfall.
Our weather planner can help you find worldwide destinations with pleasant weather during this period. February typically offers the best weather for Miri.
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Pick a month to see the average temperature, rainfall and sunshine in Miri - and find the best time to visit.
49-year average (1976-2025)
Based on our historical records, temperatures in Miri typically stay consistent throughout September, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 24°C (75°F).
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Miri spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Our historical data for Miri spans 1991 to 2025, revealing these weather extremes.
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 Miri 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.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Miri 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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