September weather forecastAuki, Solomon Islands

Weather in September

September in Auki marks another decrease in rainfall to 211mm (8.31"), maintaining a balance between high temperatures and precipitation. The month comes with rising sea temperatures contributing to favourable conditions for marine adventures. Sunshine hours remain consistent with August, supporting extended hours for outdoor activities. Heat prevails throughout September despite the fall in rainfall, sustaining the tropical aura of Auki. The strong UV index persists, demanding the same rigor in protecting against excessive sun exposure.

Temperature

Auki marks the onset of September with an average high-temperature of a still moderately hot 29°C (84.2°F), a subtle shift from August's 28°C (82.4°F). During the month of September, Auki's nighttime temperature lowers to an average of 21°C (69.8°F).

Rainfall

In Auki, in September, during 19 rainfall days, 211mm (8.31") of precipitation is typically accumulated. In Auki, during the entire year, the rain falls for 243 days and collects up to 3175mm (125") of precipitation.

Sea temperature

In Auki, in September, the average water temperature is 29.1°C (84.4°F).
Note: Swimming, diving, and similar water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as very agreeable and pleasurable for lengthy periods without discomfort.

Daylight

The average length of the day in September is 12h and 4min.
On the first day of September, sunrise is at 06:18 and sunset at 18:15. On the last day of the month, sunrise is at 06:01 and sunset at 18:12 +11.

Sunshine

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

UV index

January through April, August through December, with an average maximum UV index of 12, are months with the highest UV index. A UV Index of 11, and more, symbolizes an extreme health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 12 in September translates into the following recommendations:
Utilize all necessary safety measures, unprotected skin could suffer burns instantly. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Sunscreen with an SPF of 30 or higher should be applied generously and frequently reapplied even on cloudy days, especially after each swim or outdoor workout. Notice! The Sun's UV exposure elevates with sand and water reflections.