Alor Setar in September averages 31°C (88°F) during the day and 25°C (77°F) at night. September is part of the rainy season, so frequent rainfall is typical.
Our weather planner can help you find worldwide destinations with pleasant weather during this period. January and December typically offer the best weather for Alor Setar.
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Pick a month to see the average temperature, rainfall and sunshine in Alor Setar - and find the best time to visit.
32-year average (1986-2025)
Based on our historical records, temperatures in Alor Setar typically stay consistent throughout September, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 25°C (77°F).
32-year average (1986-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Alor Setar spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 30 years of weather observations (1995-2025), these are the most extreme conditions recorded in Alor Setar.
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 Alor Setar 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 Alor Setar 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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