The climate in Baja during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Baja and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 23°C (74°F), whilst at night 12°C (53°F) is normal.
Daytime temperature | 23.2°C 73.8°F |
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Nightly temperature | 11.6°C 52.9°F |
Average temperature | 17.4°C 63.3°F |
Daily sunshine | 7.3 hrs |
Avg rainfall | 42 mm 1.6 ins |
Rainy days | 9 days |
Sea temperature | 21.1°C 70°F |
Humidity | 73% |
Windspeed | 7.9kph 5 mph |
On average September is the 5th driest month of the year in Baja with around 42mm 1.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.3 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 Baja in September 2025.
Best places to visit in September
Hottest month: | July | 27°C 80.6°F |
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Driest month: | February | 33mm 1.3ins |
Sunniest month: | August | 9hrs |
Coldest month: | January | 1.7°C 35.1°F |
Wettest month: | June | 75mm 3ins |