Pai weather in September

September in Pai: sweltering, soaked, with clean air — a fair time to visit.

#8 of 12 months in Pai · #526 of 604 destinations to visit in September · comfort 58/100 (tier D)

Updated June 2026 · climate normals from ERA5 reanalysis

Pai climate normals — September

Daytime high29°C / 84°F🔥 sweltering
Nighttime low22°C / 72°F
Feels like (high)35°C / 95°F
Rainfall250 mm / 9.9 in⛈ soaked
Rainy days26 days
Humidity90%💦 very humid
Dew point23°C / 73°F
Sunshine8.4 h/day
Daylight12.2 h
Wind7 km/h / 4 mph
Air quality (US AQI)22🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Where is Pai?

Loading map…

Pai in September — FAQ

Is September a good time to visit Pai?
September in Pai: sweltering, soaked, with clean air — a fair time to visit. It ranks #8 of 12 months for Pai on SeasonMap's comfort score (58/100).
What is the weather like in Pai in September?
In September, Pai averages a daily high of 29.1°C and a low of 22.2°C, with about 250.3 mm of rain over roughly 25.8 rainy days.
What is the air quality in Pai in September?
Pai has a mean US Air Quality Index of about 22 in September.

Other months in Pai

Warmer or cooler than Pai in September

Similar destinations in Southeast AsiaSeptember