Santo Antonio weather in September 2024

Expect 81°F daytime maximum temperatures in the shade with on average 2 hours of sunshine per day in Santo Antonio in September. Check more long-term weather averages for Santo Antonio in September before you book your next holiday to Sao Tome & Principe in 2024/2025.

  • 81°F maximum daytime temperature in September in Santo Antonio81
    81°F max day temperature
  • 2 hours of sunshine per day
  • 18 days with some rainfall in September in Santo Antonio18
    18 days with some rainfall
  • 70°F minimum night-time temperature in September in Santo Antonio70
    70°F min night temperature
  • 12 hours of daylight per day in September in Santo Antonio12
    12 hours of daylight per day
  • Moderate heat & humidity in September in Santo AntonioM
    Moderate heat & humidity
  • 9.9 inches monthly rainfall in September in Santo Antonio9.9
    9.9 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Santo Antonio11
    11+ (Extreme) UV index
  • 79°F sea temperature in September in Santo Antonio79
    79°F sea temperature

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The September weather guide for Sao Tome & Principe (Santo Antonio) 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 Santo Antonio in September?

Daytime temperatures usually reach 81°F in Santo Antonio in September with moderate heat and humidity, falling to 70°F at night.

How sunny is it in Santo Antonio in September?

There are normally 2 hours of bright sunshine each day in Santo Antonio in September - that's 20% of daylight hours.

How warm is the sea around Santo Antonio in September?

The average sea temperature around Santo Antonio in September is 79°F.

Does it rain in Santo Antonio in September?

There are usually 18 days with some rain in Santo Antonio in September and the average monthly rainfall is 9.9 inches.

Santo Antonio September sunrise & sunset times

Browse the sunrise and sunset times for Santo Antonio in September 2024. Select a month to view Santo Antonio sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st September 2024 05:26 17:34
Sunday, 15th September 2024 05:22 17:29
Monday, 30th September 2024 05:17 17:23

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