The climate in Guadalajara during September can be summarized as warm and dry.
September is in the fall / autumn in Guadalajara and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 27°C (80°F), whilst at night 13°C (55°F) is normal.
| Daytime temperature | 26.5°C 79.7°F | 
|---|---|
| Nightly temperature | 12.5°C 54.5°F | 
| Average temperature | 19.5°C 67.1°F | 
| Daily sunshine | 8.6 hrs | 
| Avg rainfall | 27 mm 1.1 ins | 
| Rainy days | 7 days | 
| Sea temperature | 21.4°C 70.4°F | 
| Humidity | 58% | 
| Windspeed | 9.4kph 6 mph | 
On average September is the 3rd driest month of the year in Guadalajara with around 27mm 1.1 inches of rain making it a dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.6 hours of sunshine per day.
 
				 
						 
						The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Guadalajara in September 2025.
Best places to visit in September
| Hottest month: | July | 31.5°C 88.7°F | 
|---|---|---|
| Driest month: | July | 12mm 0.5ins | 
| Sunniest month: | July | 12.2hrs | 
| Coldest month: | January | 9.6°C 49.3°F | 
| Wettest month: | November | 58mm 2.3ins | 
 
	 
	 © Google
	© Google