Chiang Mai in September
Autumn in Chiang Mai: expect hot weather with highs of 30°C.
Photo: Mathew Schwartz / Unsplash
September Weather in Chiang Mai
🌡️
Average High
30°C
❄️
Average Low
23°C
🌧️
Rain Days
30.4
🌤️
Season
Autumn
What to Expect
September in Chiang Mai brings hot weather with daytime highs around 30°C and nighttime lows of 23°C. You can expect approximately 30.4 days of rain during the month. This is off-peak season with fewer tourists. You will find lower prices and shorter queues at attractions.
Packing tip: Pack light, breathable clothing, sunscreen, and a hat. A light layer for air-conditioned spaces. An umbrella or rain jacket is essential.
September Costs in Chiang Mai
Budget
THB 1000
per day
Mid-Range
THB 2500
per day
Luxury
THB 6000
per day
💡 September is off-peak, so you may find better deals on accommodation and flights.
Things to Do in Chiang Mai in September
Our Top 5 Favourite Tours in Chiang Mai
Hand-picked guided experiences you can book in advance on GetYourGuide.
Chiang Mai Walking Tour: Highlights & Hidden Gems
Discover Chiang Mai on foot with a local guide who knows every backstreet and story. You will cover the must-see landmarks and stumble upon places most visitors never find.
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Chiang Mai Food Tour: Street Food & Local Favourites
Eat your way through Chiang Mai with a local foodie as your guide. From bustling markets to tucked-away restaurants, taste the dishes the city is truly known for.
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Best of Chiang Mai: Skip-the-Line Top Attractions
Skip the queues and get straight into Chiang Mai's top attractions with pre-booked access. An expert guide brings each site to life with stories and context you would not get on your own.
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Day Trip from Chiang Mai: Scenic Excursion
Escape Chiang Mai for the day and explore the stunning surroundings. Transport, guide, and itinerary are all sorted so you can relax and enjoy the scenery.
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Chiang Mai Cultural Experience: History & Traditions
Go beyond sightseeing and connect with Chiang Mai's living culture. From hands-on workshops to historic neighbourhood walks, this is the side of the city most travellers miss.
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Hotels in Chiang Mai for September
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FAQ: Chiang Mai in September
What is the weather like in Chiang Mai in September?
Chiang Mai in September has average highs of 30°C and lows of 23°C, with around 30.4 rainy days. The weather is generally hot.
Is September a good time to visit Chiang Mai?
September is off-peak in Chiang Mai. While the weather may not be ideal, you will find lower prices and fewer tourists.
How crowded is Chiang Mai in September?
September is a quieter time in Chiang Mai. You will have popular attractions mostly to yourself.
How much does it cost to visit Chiang Mai in September?
Budget travellers can get by on around THB 1000/day. Mid-range travellers should budget THB 2500/day. Off-peak pricing means you may find better deals on accommodation.
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