September in Phuket can be a unique experience, as it falls during the rainy season, but it’s also a time when the island sees fewer tourists and lower prices. Here’s a guide to what you can expect from Phuket’s weather in September.
Temperatures in September
September is part of the rainy season in Phuket, so temperatures are warm and humid. The average daily temperature typically ranges between 24°C (75°F) and 30°C (86°F). While the weather may feel steamy due to the humidity, the evenings and early mornings bring slightly cooler temperatures.
| Metric | Value |
|---|---|
| Avg High Temp | 30°C (86°F) |
| Avg Low Temp | 24°C (75°F) |
| Avg Humidity | 85% |
| Rainfall | ~350 mm |
| Rainy Days | 15-20 days |
| Sea Temperature | 28°C (82°F) |
Rainfall and Humidity
September is one of the wettest months of the year in Phuket, with average rainfall reaching about 350 mm, spread over 15-20 days. Humidity levels are high, typically around 85%, which can make the island feel quite damp. While there are plenty of rainy days, the showers tend to come in short bursts, often in the afternoon or evening.
Sunshine and Sea Conditions
Despite the frequent rain, you can still expect some sunshine during September, though it may be less than in the dry season. The island typically sees around 4 to 6 hours of sunshine per day. The sea temperature remains warm at 28°C (82°F), ideal for swimming and water activities, though waves and currents can be stronger due to the rains, so caution is advised during water sports.
Winds and Weather Patterns
The southwest monsoon brings heavy rains and stronger winds to Phuket in September. The winds can be moderate to strong at times, with speeds ranging from 20 to 30 km/h. This affects boat tours and some water activities, as the seas can be rough.
Best Activities in Phuket During September
Though the weather may not be perfect for sunbathing, September still offers a lot of activities for visitors who don’t mind a bit of rain:
Indoor Attractions – Visit Phuket’s cultural sites like the Big Buddha, Wat Chalong, or the Phuket Trickeye Museum to stay dry while exploring.
Water Sports – While conditions can be rough, experienced divers and surfers may enjoy the challenges the seas offer. Otherwise, activities like kayaking can still be enjoyable on calm days.
Rainy Day Tours – Experience the local markets, cafes, and shops. A spa day or cooking class is also an excellent way to stay entertained indoors.
Cultural Excursions – Explore Old Phuket Town, and learn about the local history and architecture while staying out of the rain.
Travel Tips for Visiting Phuket in September
Pack for the Rain – Bring a good rain jacket, waterproof footwear, and an umbrella. Quick-drying clothing will also be a lifesaver.
Plan for Indoor Activities – Have backup plans in case of rain. Phuket has plenty of indoor attractions to explore.
Be Flexible with Outdoor Plans – If you’re hoping to do outdoor activities, plan them during the morning or early afternoon when the rain is less likely.
Take Advantage of Lower Prices – Since September is off-season, many resorts and hotels offer discounts. You can enjoy the island with fewer crowds and better deals.
Conclusion
September in Phuket offers a quieter, more peaceful experience compared to the peak tourist months. While you’ll encounter more rain and humidity, the lower prices and fewer crowds make it a great option for travelers looking for a more relaxed, budget-friendly vacation. Despite the weather challenges, you can still enjoy a mix of indoor and outdoor activities while experiencing the island’s lush beauty during the rainy season.
