Cabo San Lucas weather in September 2025

Expect 32°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Cabo San Lucas in September. Check more long-term weather averages for Cabo San Lucas in September before you book your next holiday to Mexico in 2025/2026.

  • 32°C maximum daytime temperature in September in Cabo San Lucas32
    32°C max day temperature
  • 7 hours of sunshine per day
  • 5 days with some rainfall in September in Cabo San Lucas5
    5 days with some rainfall
  • 23°C minimum night-time temperature in September in Cabo San Lucas23
    23°C min night temperature
  • 12 hours of daylight per day in September in Cabo San Lucas12
    12 hours of daylight per day
  • Very high heat & humidity in September in Cabo San LucasVH
    Very High heat & humidity
  • 100 mm monthly rainfall in September in Cabo San Lucas100
    100 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in September in Cabo San Lucas11
    11 (Extreme) UV index
  • 29°C sea temperature in September in Cabo San Lucas29
    29°C sea temperature

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The September weather guide for Mexico (Cabo San Lucas) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Cabo San Lucas in September?

Daytime temperatures usually reach 32°C in Cabo San Lucas in September with very high heat and humidity, falling to 23°C at night.

How sunny is it in Cabo San Lucas in September?

There are normally 7 hours of bright sunshine each day in Cabo San Lucas in September - that's 54% of daylight hours.

How warm is the sea around Cabo San Lucas in September?

The average sea temperature around Cabo San Lucas in September is 29°C.

Does it ever rain in Cabo San Lucas in September?

There are usually 5 days with some rain in Cabo San Lucas in September and the average monthly rainfall is 100mm.

What is the chance of a hurricane in Cabo San Lucas in September?

On average 2.6 days in September in Cabo San Lucas are likely to be affected by the passage of one or more tropical storms.

Cabo San Lucas September sunrise & sunset times

Browse the sunrise and sunset times for Cabo San Lucas in September 2025. Select a month to view Cabo San Lucas sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:02 18:36
Monday, 15th September 2025 06:06 18:23
Tuesday, 30th September 2025 06:11 18:08

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