San Jose weather in September 2025

Expect 82°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in San Jose in September. Check more long-term weather averages for San Jose in September before you book your next holiday to Costa Almeria in 2025/2026.

  • 82°F maximum daytime temperature in September in San Jose82
    82°F max day temperature
  • 8 hours of sunshine per day
  • 4 days with some rainfall in September in San Jose4
    4 days with some rainfall
  • 66°F minimum night-time temperature in September in San Jose66
    66°F min night temperature
  • 12 hours of daylight per day in September in San Jose12
    12 hours of daylight per day
  • Low heat & humidity in September in San JoseL
    Low heat & humidity
  • 0.4 inches monthly rainfall in September in San Jose0.4
    0.4 inches of monthly rainfall
  • UV (maximum) index 7 (High) in September in San Jose7
    7 (High) UV index
  • 73°F sea temperature in September in San Jose73
    73°F sea temperature

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The September weather guide for Costa Almeria (San Jose) 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)  |  Imperial (°F)

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How hot is it in San Jose in September?

Daytime temperatures usually reach 82°F in San Jose in September with low heat and humidity, falling to 66°F at night.

How sunny is it in San Jose in September?

There are normally 8 hours of bright sunshine each day in San Jose in September - that's 65% of daylight hours.

How warm is the sea around San Jose in September?

The average sea temperature around San Jose in September is 73°F.

Does it rain in San Jose in September?

There are usually 4 days with some rain in San Jose in September and the average monthly rainfall is 0.4 inches.

San Jose September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:40 19:37
Monday, 15th September 2025 06:51 19:16
Tuesday, 30th September 2025 07:03 18:53

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