Mae Sai Weather in September

Thinking of visiting Mae Sai in September? Expect very high temperatures reaching 32°C (90°F) during the day, dropping to 23°C (73°F) at night. Heavy showers are common during the rainy season.

Rainfall in Mae Sai in September

As part of the rainy season, Mae Sai sees around 18 days of rain in September, with an average of 298 mm (12 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.

Temperature in Mae Sai in September

If you're visiting Mae Sai in September, expect highs of 32°C (90°F) and overnight lows around 23°C (73°F). For most visitors, the main thing to prepare for is the heat during the day. Nights are warm at 23°C (73°F). It's worth making sure your accommodation has decent ventilation or air conditioning.

Sunshine in Mae Sai in September

The area enjoys a moderate level of sunlight, with around 145 hours. It's a good balance between sunny and rainy days.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Mae Sai. Our weather planner can help you explore destinations with more pleasant weather conditions.