Auki weather in September 2025

Expect 29°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Auki in September. Check more long-term weather averages for Auki in September before you book your next holiday to Solomon Islands in 2025/2026.

  • 29°C maximum daytime temperature in September in Auki29
    29°C max day temperature
  • 6 hours of sunshine per day
  • 19 days with some rainfall in September in Auki19
    19 days with some rainfall
  • 21°C minimum night-time temperature in September in Auki21
    21°C min night temperature
  • 12 hours of daylight per day in September in Auki12
    12 hours of daylight per day
  • High heat & humidity in September in AukiH
    High heat & humidity
  • 211 mm monthly rainfall in September in Auki211
    211 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Auki11
    11+ (Extreme) UV index
  • 28°C sea temperature in September in Auki28
    28°C sea temperature

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The September weather guide for Solomon Islands (Auki) 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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How hot is it in Auki in September?

Daytime temperatures usually reach 29°C in Auki in September with high heat and humidity, falling to 21°C at night.

How sunny is it in Auki in September?

There are normally 6 hours of bright sunshine each day in Auki in September - that's 47% of daylight hours.

How warm is the sea around Auki in September?

The average sea temperature around Auki in September is 28°C.

Does it rain in Auki in September?

There are usually 19 days with some rain in Auki in September and the average monthly rainfall is 211mm.

Auki September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:19 18:15
Monday, 15th September 2025 06:11 18:14
Tuesday, 30th September 2025 06:02 18:12

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