September weather forecast
Poroporo, Solomon Islands

As Poroporo enters the last quarter of the year in September, a slight increase in rainfall at 321mm (12.64") marks an elevated end to the dry spell. Weather conditions otherwise stay typically the same with the high temperature continuing to hover around 30°C (86°F). Outdoor plans can continue uninterrupted owing to greater daylight hours. The enduring high UV index emphasizes the essentiality of protective measures against the sun. Sea temperatures continue to be warm encouraging indulgence in water activities.

Temperature

In Poroporo, Solomon Islands, the warmest period comes during January through April, September through December, when the average high-temperature touches 30°C (86°F).

Rainfall

In Poroporo, during September, the rain falls for 19 days and regularly aggregates up to 321mm (12.64") of precipitation. In Poroporo, during the entire year, the rain falls for 249 days and collects up to 3578mm (140.87") of precipitation.

Sea temperature

May through October, with an average sea temperature of 29°C (84.2°F), are months with the coldest seawater.
Note: Water temperatures between 25°C (77°F) and 29°C (84.2°F) are regarded as very warm, ensuring all water activities are pleasurable for extended periods without feeling uneasy.

Daylight

The average length of the day in September is 12h and 4min.
On the first day of September, sunrise is at 06:34 and sunset at 18:34. On the last day of the month, sunrise is at 06:19 and sunset at 18:29 +11.

Sunshine

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

UV index

The months with the highest UV index are January through April, August through December, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an ultimate health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, the average maximum UV index of 12 translates into the following recommendations:
Practice all-important precautions. Light skin people may get burned in less than 5 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Stay sun-safe with clothing that is both closely woven and worn loosely. Use liberally and reapply a broad-spectrum sunscreen with at least SPF 30 every two hours and right after outdoor activities or a swim. Heed this! UV intensity is much stronger when reflected off sand and water.