Weather Comparison
Side-by-side weather comparison for September
| Metric | Mexico City | Guadalajara | Better |
|---|---|---|---|
| Average HighHigher is warmer | 21°C (70°F) | 26°C (79°F)▲ | Guadalajara |
| Average LowHigher is milder | 12°C (54°F) | 16°C (61°F)▲ | Guadalajara |
| Rain DaysFewer is drier | 22 days | 20 days▲ | Guadalajara |
| PrecipitationLess is drier | 179 mm | 148 mm▲ | Guadalajara |
| Sunshine HoursMore is sunnier | 9h/day | 10h/day▲ | Guadalajara |
| HumidityLower is more comfortable | 78% | 78% | Tie |
| UV IndexLower is safer | 6 | 6 | Tie |
| Wind SpeedCalmer is better | 12 km/h | 11 km/h▲ | Guadalajara |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Guadalajara edges ahead as the better destination in September. Guadalajara offers 10 hours of daily sunshine with only 20 rain days, while Mexico City sees 9 sunshine hours and 22 rain days.
Mexico City sits in the comfortable travel range at 21°C. Guadalajara is also comfortable at 26°C.
For travelers who prioritize dry weather, Guadalajara is the stronger choice in September. Guadalajara receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.
Mexico City reaches an average high of 21°C (70°F) and drops to 12°C (54°F) at night during September. The daily temperature range is 9°C, meaning moderate variation throughout the day.
Guadalajara averages 26°C (79°F) for the high and 16°C (61°F) for the low, with a daily range of 10°C. There is a notable 5°C gap between the two cities, so expect a very different feel.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in September.
Mexico City receives approximately 179 mm of rainfall across 22 rain days during September. Rain is frequent, so waterproof gear is essential.
Guadalajara sees 148 mm over 20 rain days. That makes Guadalajara the drier option by 2 rain days and 31 mm of total precipitation.
Both cities share similar humidity levels at 78%.
Highs of 21°C, lows of 12°C, 22 rain days
Highs of 26°C, lows of 16°C, 20 rain days
Pack for both: light layers, a light jacket for evenings, sunscreen, waterproof jacket, compact umbrella, waterproof shoes, moisture-wicking fabrics. These items are useful in either destination during September.
The table below shows average high temperatures and rain days for every month. September is highlighted for quick reference.
| Month | Mexico City | Guadalajara | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 20°C | 4d | 24°C | 2d |
| Feb | 22°C | 4d | 26°C | 2d |
| Mar | 24°C | 6d | 29°C | 1d |
| Apr | 25°C | 10d | 31°C | 1d |
| May | 25°C | 13d | 32°C | 4d |
| Jun | 23°C | 19d | 29°C | 17d |
| Jul | 21°C | 24d | 26°C | 24d |
| Aug | 21°C | 23d | 26°C | 23d |
| Sep | 21°C | 22d | 26°C | 20d |
| Oct | 20°C | 14d | 26°C | 9d |
| Nov | 20°C | 7d | 25°C | 3d |
| Dec | 20°C | 3d | 24°C | 1d |
Mexico City Weather in September
Full forecast, packing tips, and activities
Guadalajara Weather in September
Full forecast, packing tips, and activities