San Cristóbal Weather in September
What's the weather like in San Cristóbal (Guanajuato) in September 2025?
The climate in San Cristóbal during September can be summarized as warm and wet.
September is in the fall / autumn in San Cristóbal and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a comfortable 27°C (81°F), whilst at night 15°C (59°F) is normal.
| Daytime temperature | 27.2°C 81°F |
|---|---|
| Nightly temperature | 14.8°C 58.6°F |
| Average temperature | 21°C 69.8°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 130 mm 5.1 ins |
| Rainy days | 12 days |
| Sea temperature | 29.5°C 85.1°F |
| Humidity | 68% |
| Windspeed | 8.6kph 5 mph |
On average September is the 3rd wettest month of the year in San Cristóbal with around 130mm 5.1 inches of rain making it a wet time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
September temperatures in San Cristóbal
September rainfall
September hourly sunshine
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 San Cristóbal in September 2025.
Other monthly averages
Best places to visit in September
San Cristóbal weather stats
| Hottest month: | May | 31.6°C 88.9°F |
|---|---|---|
| Driest month: | February | 4mm 0.2ins |
| Sunniest month: | February | 8.1hrs |
| Coldest month: | January | 25°C 77°F |
| Wettest month: | July | 168mm 6.6ins |
© Google
Locations nearby
Top Mexico locations
- Acapulco
- Cabo San Lucas
- Cancún
- Cozumel
- Guadalajara
- Guanajuato
- Mazatlán
- Mexico City
- Oaxaca de Juárez
- Playa del Carmen
- Puebla
- Puerto Vallarta
- San Miguel de Allende
- Todos Santos
- Zihuatanejo