September weather forecast
Gizo, Solomon Islands

September's weather in Gizo indicates an impending change of season with a gradual increase in sea temperature and a steady UV index. The rainfall has remained on a steady path since August, creating a balance between sunshine and showers. September's tropical climate complemented by an upsurge in sea temperature emphasizes the crystal-clear waters that Gizo is renowned for.

Temperature

Peak temperatures are observed in January through April, September through December, averaging a high-temperature of 31°C (87.8°F).

Rainfall

In Gizo, in September, during 19 rainfall days, 281mm (11.06") of precipitation is typically accumulated. Throughout the year, in Gizo, there are 242 rainfall days, and 3643mm (143.43") of precipitation is accumulated.

Sea temperature

August and September, with an average sea temperature of 28.3°C (82.9°F), are months with the coldest seawater in Gizo.
Note: Water surface temperatures from 25°C (77°F) to 29°C (84.2°F) are considered optimal and extremely delightful for long-lasting pleasure in any water activity.

Daylight

The average length of the day in September in Gizo is 12h and 4min.
On the first day of the month, sunrise is at 06:33 and sunset at 18:31. On the last day of September, in Gizo, sunrise is at 06:17 and sunset at 18:27 +11.

Sunshine

The months with the most sunshine are January, March, May, June, August through November, with an average of 6h of sunshine.

UV index

The months with the highest UV index in Gizo, Solomon Islands, are January through April, August through December, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an extreme threat to health from unsafe exposure to UV radiation for average individuals.
Note: In September, the maximum UV index of 12 transforms into these recommendations:
Enforce all necessary precautions, unprotected skin might burn swiftly. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Even on overcast days, a sunscreen with a sun protection factor of no less than 30 should be generously applied and reapplied, particularly after swimming or outdoor activities. Take heed! Reflections of sand and water make the Sun's UV rays stronger.