ClimaGo › Honolulu › Weather in September
United States
September brings warm tropical weather around 86°F with increased humidity and occasional afternoon showers, making it ideal for water activities though travelers should watch for potential hurricanes.
Avg High
29°C
Avg Low
23°C
Daily Rain
0.6mm
Rainfall
Very low
✅ September is one of the best months to visit Honolulu!
Honolulu offers pristine beaches, surfing culture and Pearl Harbor history beneath swaying palm trees.