Kingston weather in September
September in Kingston: sweltering, rainy, with clean air — a good time to visit.
#9 of 12 months in Kingston · #449 of 604 destinations to visit in September · comfort 67/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Kingston climate normals — September
| Daytime high | 31°C / 88°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 25°C / 77°F | |
| Feels like (high) | 37°C / 99°F | |
| Rainfall | 94 mm / 3.7 in | 🌧 rainy |
| Rainy days | 17 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 10.8 h/day | |
| Daylight | 12.2 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 36 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Kingston in September — FAQ
- Is September a good time to visit Kingston?
- September in Kingston: sweltering, rainy, with clean air — a good time to visit. It ranks #9 of 12 months for Kingston on SeasonMap's comfort score (67/100).
- What is the weather like in Kingston in September?
- In September, Kingston averages a daily high of 31°C and a low of 25.1°C, with about 94 mm of rain over roughly 17.4 rainy days.
- What is the air quality in Kingston in September?
- Kingston has a mean US Air Quality Index of about 36 in September.