Historical climate averages in Bangkok for September
Thailand · 2024–2025 · 60 daily observations
A month-level reference built from observed daily highs, lows, and precipitation values. Use it to see how September fits into Bangkok's annual pattern, then jump to nearby months below.
Average High
33.0°C
Average Low
25.8°C
Record High
36.3°C
Record Low
23.5°C
Average Daily Precipitation
11.1mm
Data Coverage
2024–2025 (60 obs)
September in context
September in Bangkok is the 10th warmest month by average daytime high. Average highs reach 33.0°C and average lows settle near 25.8°C.
the 2nd wettest month by average daily precipitation. Average daily precipitation is 11.1mm, versus 14.7mm in October, the wettest month.
This snapshot is built from 60 daily observations collected between 2024 and 2025. Record highs and lows mark the single hottest and coldest daily readings in the archive for this month.
Relative to the full year
- Daytime highs: -0.7°C vs city-wide monthly average
- Nighttime lows: -0.1°C vs city-wide monthly average
- Daily precipitation: +5.5mm vs city-wide monthly average
Archive quality
- Coverage: 2024–2025 (60 obs)
- Temperature span: 12.8°C between record low and high
- Driest month benchmark: January at 0.2mm
How this summary is calculated
PastWeather groups all recorded days for September, then calculates the average daytime high, average nighttime low, and average daily precipitation value for that month. The cards above stay tied to observed data rather than travel copy or generic climate descriptions.
Average high / low
Mean daily maximum and minimum temperatures across every recorded September day in the archive.
Record extremes
The single hottest and coldest daily readings observed during this month, useful for understanding outlier risk.
Precipitation note
Precipitation is shown as an average daily value for this month, which helps compare wetter and drier parts of the year on the same basis.
Explore another month
Move month by month or jump straight to the warmest, coldest, or wettest part of the year for Bangkok.