What is the weather like in Ha Long vs Hanoi in September?

In September, Ha Long averages 30°C high / 26°C low with about 309 mm of rain; Hanoi averages 32°C high / 26°C low with about 276 mm.

Ha Long vs Hanoi in September

Ha Long is the better pick in September — 59 vs 44 on SeasonMap's comfort score. Ha Long is sweltering, soaked, muggy air, while Hanoi is sweltering, soaked, poor air quality.

Ha Long vs Hanoi — September climate, side by side

	🇻🇳 Ha Long	🇻🇳 Hanoi
Comfort score	59/100 (D)	44/100 (F)
Feels-like high	36°C	38°C
Avg high / low	30° / 26°	32° / 26°
Rainfall	309 mm	276 mm
Rainy days	23	21
Humidity	85%	85%
Air quality (AQI)	80	104

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Ha Long vs Hanoi in September — FAQ

Is September better in Ha Long or Hanoi?: Ha Long is the better pick in September — 59 vs 44 on SeasonMap's comfort score. Ha Long is sweltering, soaked, muggy air, while Hanoi is sweltering, soaked, poor air quality.
What is the weather like in Ha Long vs Hanoi in September?: In September, Ha Long averages 30°C high / 26°C low with about 309 mm of rain; Hanoi averages 32°C high / 26°C low with about 276 mm.