Climate almanac
Mae Sai
Chiang Rai, Thailand · 20.43°, 99.88°
What is the weather like in Mae Sai in September?
In September, Mae Sai is typically 89°F (32°C) during the day and 75°F (24°C) at night. The month brings about 11 in (289 mm) of precipitation in total.
- Average high89°F (32°C)
- Average low75°F (24°C)
- Precipitation11 in (289 mm)
- Clear or mostly clear days2
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)