San Mateo weather in September 2025

Expect 25°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in San Mateo in September. Check more long-term weather averages for San Mateo in September before you book your next holiday to Gran Canaria in 2025/2026.

  • 25°C maximum daytime temperature in September in San Mateo25
    25°C max day temperature
  • 8 hours of sunshine per day
  • 2 days with some rainfall in September in San Mateo2
    2 days with some rainfall
  • 18°C minimum night-time temperature in September in San Mateo18
    18°C min night temperature
  • 12 hours of daylight per day in September in San Mateo12
    12 hours of daylight per day
  • No heat & humidity in September in San Mateo0
    No heat & humidity
  • 13 mm monthly rainfall in September in San Mateo13
    13 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in September in San Mateo9
    9 (Very High) UV index

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The September weather guide for Gran Canaria (San Mateo) 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 Gran Canaria

How hot is it in San Mateo in September?

Daytime temperatures usually reach 25°C in San Mateo in September with no heat and humidity, falling to 18°C at night.

How sunny is it in San Mateo in September?

There are normally 8 hours of bright sunshine each day in San Mateo in September - that's 63% of daylight hours.

Does it ever rain in San Mateo in September?

There are usually 2 days with some rain in San Mateo in September and the average monthly rainfall is 13mm.

San Mateo September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:41 19:23
Monday, 15th September 2025 06:47 19:07
Tuesday, 30th September 2025 06:55 18:49

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