Weather in Cabo San Lucas: September
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Average day temperature: | 87.2°F |
| Average night temperature: | 77.9°F | |
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Sea water temperature: | 84.9°F |
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Number of sunny days: | 17 days |
| Day length: | 11.9 - 12.6 hours | |
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Number of rainy days: | 4 days |
| Precipitation totals: | 3.6 in. | |
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forecast
| Cabo San Lucas |
temperature
| Cabo San Lucas |
Air temperature in September, °F
The highest day temperature during September of 2025 was 91°F. At the same time the lowest night temperature was 76°F. Daily and nightly averages during September were 86.0°F and 79.8°F.
Sea water temperature in Cabo San Lucas in September, °F
The average sea water temperature in September of 2025 was 86.4°F. The highest and lowest sea temperatures during the month were 87.6°F and 84.7°F.
Mostly all days in September are sunny but cloudy days are also possible.
Precipitation total in September, in.
Precipitation total value in Cabo San Lucas in September is 3.8 in. Other months of the year show relatively similar values.
The average wind speed value in September is 8.5 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 7.9.
Best time for vacation in Cabo San Lucas
Cabo San Lucas on a weather map
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