Siargao Island weather in September 2025

Expect 90°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Siargao Island in September. Check more long-term weather averages for Siargao Island in September before you book your next holiday to Philippines in 2025/2026.

  • 90°F maximum daytime temperature in September in Siargao Island90
    90°F max day temperature
  • 6 hours of sunshine per day
  • 15 days with some rainfall in September in Siargao Island15
    15 days with some rainfall
  • 75°F minimum night-time temperature in September in Siargao Island75
    75°F min night temperature
  • 12 hours of daylight per day in September in Siargao Island12
    12 hours of daylight per day
  • Very high heat & humidity in September in Siargao IslandVH
    Very High heat & humidity
  • 5.8 inches monthly rainfall in September in Siargao Island5.8
    5.8 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Siargao Island11
    11+ (Extreme) UV index
  • 84°F sea temperature in September in Siargao Island84
    84°F sea temperature

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The September weather guide for Philippines (Siargao Island) 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 Siargao Island in September?

Daytime temperatures usually reach 90°F in Siargao Island in September with very high heat and humidity, falling to 75°F at night.

How sunny is it in Siargao Island in September?

There are normally 6 hours of bright sunshine each day in Siargao Island in September - that's 52% of daylight hours.

How warm is the sea around Siargao Island in September?

The average sea temperature around Siargao Island in September is 84°F.

Does it rain in Siargao Island in September?

There are usually 15 days with some rain in Siargao Island in September and the average monthly rainfall is 5.8 inches.

What is the chance of a typhoon in Siargao Island in September?

On average less than 1 day in September in Siargao Island is likely to be affected by the passage of one or more tropical storms.

Siargao Island September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:26 17:44
Monday, 15th September 2025 05:25 17:36
Tuesday, 30th September 2025 05:24 17:27

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