San Cristobal de las Casas weather in September 2025

Expect 20°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in San Cristobal de las Casas in September. Check more long-term weather averages for San Cristobal de las Casas in September before you book your next holiday to Mexico in 2025/2026.

  • 20°C maximum daytime temperature in September in San Cristobal de las Casas20
    20°C max day temperature
  • 4 hours of sunshine per day
  • 21 days with some rainfall in September in San Cristobal de las Casas21
    21 days with some rainfall
  • 9°C minimum night-time temperature in September in San Cristobal de las Casas9
    9°C min night temperature
  • 12 hours of daylight per day in September in San Cristobal de las Casas12
    12 hours of daylight per day
  • No heat & humidity in September in San Cristobal de las Casas0
    No heat & humidity
  • 220 mm monthly rainfall in September in San Cristobal de las Casas220
    220 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in San Cristobal de las Casas11
    11+ (Extreme) UV index

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San Cristobal de las Casas by month

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The September weather guide for Mexico (San Cristobal de las Casas) 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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More about Mexico

How hot is it in San Cristobal de las Casas in September?

Daytime temperatures usually reach 20°C in San Cristobal de las Casas in September, falling to 9°C at night.

How sunny is it in San Cristobal de las Casas in September?

There are normally 4 hours of bright sunshine each day in San Cristobal de las Casas in September - that's 32% of daylight hours.

Does it rain in San Cristobal de las Casas in September?

There are usually 21 days with some rain in San Cristobal de las Casas in September and the average monthly rainfall is 220mm.

What is the chance of a hurricane in San Cristobal de las Casas in September?

On average less than 1 day in September in San Cristobal de las Casas is likely to be affected by the passage of one or more tropical storms.

San Cristobal de las Casas September sunrise & sunset times

Browse the sunrise and sunset times for San Cristobal de las Casas in September 2025. Select a month to view San Cristobal de las Casas sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:57 18:23
Monday, 15th September 2025 05:59 18:12
Tuesday, 30th September 2025 06:01 18:00

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