Yap weather in September 2025

Expect 88°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Yap in September. Check more long-term weather averages for Yap in September before you book your next holiday to Federated States of Micronesia in 2025/2026.

  • 88°F maximum daytime temperature in September in Yap88
    88°F max day temperature
  • 6 hours of sunshine per day
  • 19 days with some rainfall in September in Yap19
    19 days with some rainfall
  • 75°F minimum night-time temperature in September in Yap75
    75°F min night temperature
  • 12 hours of daylight per day in September in Yap12
    12 hours of daylight per day
  • Very high heat & humidity in September in YapVH
    Very High heat & humidity
  • 14.4 inches monthly rainfall in September in Yap14.4
    14.4 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Yap11
    11+ (Extreme) UV index
  • 84°F sea temperature in September in Yap84
    84°F sea temperature

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The September weather guide for Federated States of Micronesia (Yap) 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 Yap in September?

Daytime temperatures usually reach 88°F in Yap in September with very high heat and humidity, falling to 75°F at night.

How sunny is it in Yap in September?

There are normally 6 hours of bright sunshine each day in Yap in September - that's 49% of daylight hours.

How warm is the sea around Yap in September?

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

Does it rain in Yap in September?

There are usually 19 days with some rain in Yap in September and the average monthly rainfall is 14.4 inches.

What is the chance of a typhoon in Yap in September?

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

Yap September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:39 18:57
Monday, 15th September 2025 06:38 18:48
Tuesday, 30th September 2025 06:36 18:39

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