September weather forecast
Espiritu Santo, Vanuatu

September exhibits only incremental shifts as compared to August's weather pattern. A trifling increase in rainfall registrants, with numbers barely reaching 199mm (7.83") solidifies the region's lush and thriving landscapes. In terms of solar exposure, daylight hours continue growing, now inching closer to 12 hours daily. However, with temperatures barely changing, hovering around 28°C (82.4°F), the region's warm and tropical climate remains unaltered. The consistency of these variables underscores the resilience of Espiritu Santo's ecosystem.

Temperature

Espiritu Santo experiences an average high-temperature of a still moderately hot 28°C (82.4°F) in September, subtly different from August's 27°C (80.6°F). The temperature dips to an average of 21°C (69.8°F) during September nights.

Rainfall

In Espiritu Santo, in September, it is raining for 15 days, with typically 199mm (7.83") of accumulated precipitation. Throughout the year, there are 206 rainfall days, and 2888mm (113.7") of precipitation is accumulated.

Sea temperature

June through October, with an average sea temperature of 27°C (80.6°F), are months with the coldest seawater.
Note: For activities in the water such as swimming or diving, temperatures from 25°C (77°F) to 29°C (84.2°F) are considered optimal for prolonged enjoyment without discomfort.

Daylight

In Espiritu Santo, the average length of the day in September is 12h and 1min.
On the first day of September, sunrise is at 05:57 and sunset at 17:46. On the last day of the month, sunrise is at 05:35 and sunset at 17:49 +11.

Sunshine

January, April, August through December, with an average of 7h of sunshine, are months with the most sunshine in Espiritu Santo, Vanuatu.

UV index

The months with the highest UV index in Espiritu Santo are January through March, September through December, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an excessive health risk from unsafe exposure to UV radiation for average individuals.
Note: In September, the maximum UV index of 12 transforms into these recommendations:
Take all necessary precautions, as unprotected skin can burn in minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Apply and frequently reapply a minimum SPF 30 sunscreen even on cloudy days, especially after swimming or an outdoor workout. Be alert! The reflection of water and sand augments UV radiation intensity.