San José del Cabo Weather in September
What's the weather like in San José del Cabo (Baja California Sur) in September 2025?
The climate in San José del Cabo during September can be summarized as hot, humid and wet.
September is in the fall / autumn in San José del Cabo and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a steamy 33°C (91°F), whilst at night 22°C (71°F) is normal.
| Daytime temperature | 33°C 91.3°F |
|---|---|
| Nightly temperature | 21.7°C 71°F |
| Average temperature | 27.3°C 81.1°F |
| Daily sunshine | 7 hrs |
| Avg rainfall | 129 mm 5.1 ins |
| Rainy days | 6 days |
| Sea temperature | 29.3°C 84.8°F |
| Humidity | 70% |
| Windspeed | 7.6kph 5 mph |
On average September is the wettest month of the year in San José del Cabo with around 129mm 5.1 inches of rain making it a wet time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 hours of sunshine per day.
September temperatures in San José del Cabo
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 José del Cabo in September 2025.
Other monthly averages
Best places to visit in September
San José del Cabo weather stats
| Hottest month: | July | 33.8°C 92.8°F |
|---|---|---|
| Driest month: | May | 1mm 0ins |
| Sunniest month: | November | 8.1hrs |
| Coldest month: | January | 25°C 77°F |
| Wettest month: | September | 129mm 5.1ins |
© Google
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