Gizo weather in September 2025

Expect 31°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Gizo in September. Check more long-term weather averages for Gizo in September before you book your next holiday to Solomon Islands in 2025/2026.

  • 31°C maximum daytime temperature in September in Gizo31
    31°C max day temperature
  • 6 hours of sunshine per day
  • 19 days with some rainfall in September in Gizo19
    19 days with some rainfall
  • 23°C minimum night-time temperature in September in Gizo23
    23°C min night temperature
  • 12 hours of daylight per day in September in Gizo12
    12 hours of daylight per day
  • High heat & humidity in September in GizoH
    High heat & humidity
  • 281 mm monthly rainfall in September in Gizo281
    281 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Gizo11
    11+ (Extreme) UV index
  • 28°C sea temperature in September in Gizo28
    28°C sea temperature

More about the Gizo

Gizo by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for the Solomon Islands

Travel Up: Top offers on flights worldwide

  • Check out top flight deals & low fares from popular airlines
  • Search for return & one-way flights or multi-city trips
  • Airlines include BA, Virgin Atlantic, United & Turkish Airlines
Go to Travel Up deal >>

View all Travel Up offers

The September weather guide for Solomon Islands (Gizo) 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)

Back to top

How hot is it in Gizo in September?

Daytime temperatures usually reach 31°C in Gizo in September with high heat and humidity, falling to 23°C at night.

How sunny is it in Gizo in September?

There are normally 6 hours of bright sunshine each day in Gizo in September - that's 46% of daylight hours.

How warm is the sea around Gizo in September?

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

Does it rain in Gizo in September?

There are usually 19 days with some rain in Gizo in September and the average monthly rainfall is 281mm.

Gizo September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:34 18:31
Monday, 15th September 2025 06:26 18:30
Tuesday, 30th September 2025 06:18 18:28

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^