September in Pai brings a mix of warmth and rain. The temperature fluctuates between a comfortable 23°C at its lowest and a slightly hot 31°C at its peak. This makes the days warm enough to explore the outdoors, but not too hot to become unbearable. The evenings, on the other hand, are pleasantly cool, perfect for a leisurely stroll or a quiet dinner under the stars.
Rainfall is quite significant in September, with about 250 mm falling throughout the month. This makes the landscape lush and green, adding to the beauty of Pai. The wind speed averages around 11 km/h, providing a gentle breeze that helps to alleviate the warmth. Despite the rain, the weather overall is quite enjoyable, making September a great time to visit Pai.