Guadalajara weather in September
September in Guadalajara: hot, soaked — a great time to visit.
#10 of 12 months in Guadalajara · #322 of 604 destinations to visit in September · comfort 79/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Guadalajara climate normals — September
| Daytime high | 26°C / 79°F | 🥵 hot |
|---|---|---|
| Nighttime low | 17°C / 63°F | |
| Feels like (high) | 29°C / 84°F | |
| Rainfall | 152 mm / 6 in | ⛈ soaked |
| Rainy days | 18 days | |
| Humidity | 73% | 💧 humid |
| Dew point | 16°C / 61°F | |
| Sunshine | 10.2 h/day | |
| Daylight | 12.3 h | |
| Wind | 10 km/h / 6 mph | |
| Air quality (US AQI) | 54 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Guadalajara?
Loading map…
Guadalajara in September — FAQ
- Is September a good time to visit Guadalajara?
- September in Guadalajara: hot, soaked — a great time to visit. It ranks #10 of 12 months for Guadalajara on SeasonMap's comfort score (79/100).
- What is the weather like in Guadalajara in September?
- In September, Guadalajara averages a daily high of 26.2°C and a low of 17.1°C, with about 152 mm of rain over roughly 18 rainy days.
- What is the air quality in Guadalajara in September?
- Guadalajara has a mean US Air Quality Index of about 54 in September.