Havana weather in September
September in Havana: sweltering, rainy, with clean air — a good time to visit.
#10 of 12 months in Havana · #468 of 604 destinations to visit in September · comfort 65/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Havana climate normals — September
| Daytime high | 31°C / 88°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 26°C / 78°F | |
| Feels like (high) | 36°C / 97°F | |
| Rainfall | 106 mm / 4.2 in | 🌧 rainy |
| Rainy days | 18 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 24°C / 74°F | |
| Sunshine | 10.5 h/day | |
| Daylight | 12.3 h | |
| Wind | 16 km/h / 10 mph | |
| Air quality (US AQI) | 32 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Havana in September — FAQ
- Is September a good time to visit Havana?
- September in Havana: sweltering, rainy, with clean air — a good time to visit. It ranks #10 of 12 months for Havana on SeasonMap's comfort score (65/100).
- What is the weather like in Havana in September?
- In September, Havana averages a daily high of 31.2°C and a low of 25.6°C, with about 106.2 mm of rain over roughly 18 rainy days.
- What is the air quality in Havana in September?
- Havana has a mean US Air Quality Index of about 32 in September.