Jackson weather in September
September in Jackson: nice, a little rain, with clean air — not the best time to visit.
#10 of 12 months in Jackson · #600 of 604 destinations to visit in September · comfort 24/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Jackson climate normals — September
| Daytime high | 22°C / 71°F | 😎 nice |
|---|---|---|
| Nighttime low | 7°C / 45°F | |
| Feels like (high) | 19°C / 66°F | |
| Rainfall | 60 mm / 2.3 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 60% | 🍃 comfortable |
| Dew point | 5°C / 41°F | |
| Sunshine | 10.6 h/day | |
| Daylight | 12.5 h | |
| Wind | 13 km/h / 8 mph | |
| Snowfall | 5.6 cm / 2.2 in | |
| Air quality (US AQI) | 40 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Jackson in September — FAQ
- Is September a good time to visit Jackson?
- September in Jackson: nice, a little rain, with clean air — not the best time to visit. It ranks #10 of 12 months for Jackson on SeasonMap's comfort score (24/100).
- What is the weather like in Jackson in September?
- In September, Jackson averages a daily high of 21.5°C and a low of 7.2°C, with about 59.6 mm of rain over roughly 8.6 rainy days.
- What is the air quality in Jackson in September?
- Jackson has a mean US Air Quality Index of about 40 in September.
- Does it snow in Jackson in September?
- Jackson sees roughly 5.6 cm of snowfall in September.