Month guide · Phuket · Thailand
Phuket in September
What September is really like in Phuket: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Quick answer
September is a month many travellers avoid. Expect average highs of 31°C (88°F), lows of 24°C (75°F), about 21 rainy days and roughly 12.2 hours of daylight. Usually the wettest month, with long rainy spells and strong currents; the quietest and lowest-priced time of year.
Key facts
- Average high / low
- 31°C (88°F) / 24°C (75°F)
- Rainy days
- About 21
- Daylight
- About 12.2 hours
- Sea temperature
- 29°C (84°F)
- Crowds
- Quiet
- Hotel prices
- Low
Weather in September
September is the 9th-warmest month in Phuket: days average 31°C (88°F) against a yearly average high of 32°C (90°F), and nights fall to about 24°C (75°F). Rain falls on roughly 21 of its 30 days. Compared with August (32°C (90°F)), September is about as warm; by October highs stay near 31°C (88°F).
- Sunrise (15 September)
- About 06:16
- Sunset (15 September)
- About 18:26
- Daylight
- About 12.2 hours
- Sea
- 29°C (84°F)
Early monsoon (May–July). Frequent but often short showers, rough west-coast surf and strong currents; hotel prices fall sharply.
Crowds and prices
On a 1–5 scale, September rates 2 for crowds (the peak is January at 5) and 2 for hotel prices (highest in January). That makes September one of the better-value months to book.
Events in September
- Phuket Vegetarian Festival — processions and rituals at Chinese shrines (ninth lunar month, September or October)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in September
With frequent rain, plan around indoor sights and keep outdoor time flexible.

Nature · Mai Khao and Nai Yang
Sirinat National Park
Visit on the way to or from the airport, and eat grilled seafood under the trees at Nai Yang.
- Time needed
- 2–3 hours
- Cost
- Low cost
- Nature
- Outdoors
- Off the beaten path
Nature · Thalang
Khao Phra Thaeo and the Gibbon Rehabilitation Project
Phuket's last large area of rainforest is protected in Khao Phra Thaeo Wildlife Sanctuary, with forest trails and the Bang Pae waterfall.
- Time needed
- 2–3 hours
- Cost
- Low cost
- Nature
- Kids
- Outdoors
- Off the beaten path
Nature · Paklok
Phuket Elephant Sanctuary
Choose a morning visit, when the elephants are most active and the heat is lower.
- Time needed
- Half a day
- Cost
- Expensive
- Kids
- Nature
Theme park · Kathu
Andamanda Phuket
A water park in the hills between Phuket Town and Patong, themed on Thai legends of the sea, with slides, a wave pool, a lazy river and children's splash areas.
- Time needed
- Half a day
- Cost
- Expensive
- Kids
- Active
The sea averages 29°C (84°F) — warm enough to swim. Best beaches near Phuket.
What to pack
For highs near 31°C, lows near 24°C and 21 wet days: light, breathable clothes, a sun hat and high-factor sunscreen; a compact umbrella and waterproof shoes — rain is frequent; comfortable walking shoes.
Is September a good time to visit Phuket?
A month many travellers avoid, with a notable event on the calendar. If your dates are flexible, December–March are better overall. Compare every month.
Phuket in other months
Questions travellers ask
+Is September a good time to visit Phuket?
It is a month many travellers avoid. Usually the wettest month, with long rainy spells and strong currents; the quietest and lowest-priced time of year.
+How warm is Phuket in September?
Average highs are around 31°C (88°F) and lows around 24°C (75°F).
+Does it rain a lot in Phuket in September?
Expect rain on about 21 days of the month, so pack for wet weather.