September weather forecast
Vanuatu

September in Vanuatu marks the end of the winter season and the beginning of spring. This transition brings a gradual increase in temperatures and a slight uptick in rainfall. Average temperatures during September range between 18°C (64.4°F) to 28°C (82.4°F), indicating the start of the warming trend that continues into the summer months.

In Port Vila, the average temperature in September sits around 22°C (71.6°F). There is a slight increase in rainfall compared to August, signaling the end of the dry season and the onset of the rainier months ahead. Despite this, the weather remains predominantly dry, and outdoor activities are still favored.

Espiritu Santo, Vanuatu's largest island, follows a similar pattern with average temperatures from 19°C (66.2°F) to 29°C (84.2°F) in September. Rainfall levels start to rise, although they remain relatively low compared to the peak rainy season.

The influence of the Tropical Monsoon climate begins to return in September, albeit slowly. There is a minor increase in rainfall, and while cyclonic activity is not typical in September, the risk begins to rise as the country progresses into the later months of the year. September serves as a transitional month, bridging the dry and cool conditions of winter with the warming and increasingly humid climate of spring.

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• Port Vila - September »
  On the last day of September, in Port Vila, sunrise is at 05:29 and sunset at 17:43 +11. In Port Vila, Vanuatu, in September, it is raining for 7 days, with typically 99mm (3.9") of accumulated precipitation.
• Norsup - September »
  In Norsup, in September, the average water temperature is 26.7°C (80.1°F). In September, on the first day of the month, sunrise is at 05:56 and sunset at 17:44.
• Port Olry - September »
  The month with the least rainfall in Port Olry, Vanuatu, is September, when the rain falls for 14 days and typically collects 38mm (1.5") of precipitation. The month with the least rainfall in Port Olry is September, when the rain falls for 14 days and typically collects 38mm (1.5") of precipitation.
• Isangel - September »
  In Isangel in September, the average water temperature is 24.7°C (76.5°F). In Isangel, the average seawater temperature in September is 24.7°C (76.5°F).
• Lenakel - September »
  January, May, July through September, with an average relative humidity of 77%, are the least humid months in Lenakel, Vanuatu. Therefore, Lenakel's weather in September stands out as a period of transition from the mild coolness to the gently rising warmth, a prelude to the full-fledged summer that lies ahead.
• Luganville - September »
  In Luganville the average seawater temperature in September is 26.8°C (80.2°F). September in Luganville experiences a slight uptick in the rainfall from 130mm (5.12") to 160mm (6.3") while remaining within the dry season ambit.
• Lamap - September »
  January, May, July through September, with an average relative humidity of 77%, are the least humid months in Lamap, Vanuatu. On the first day of September in Lamap, sunrise is at 05:54 and sunset at 17:42.
• Sola - September »
  The most humid month in Sola is September, with an average relative humidity of 80%. In Sola, during September, the rain falls for 22.9 days and regularly aggregates up to 94mm (3.7") of precipitation.
• Lakatoro - September »
  The month with the least rainfall in Lakatoro is September, when the rain falls for 14 days and typically collects 38mm (1.5") of precipitation. January, September, November and December, with an average relative humidity of 80%, are the least humid months in Lakatoro, Vanuatu.
• Tanna - September »
  August and September, with an average sea temperature of 24°C (75.2°F), are months with the coldest seawater in Tanna. On the first day of September in Tanna sunrise is at 05:50 and sunset at 17:34.
• Espiritu Santo - September »
  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. In Espiritu Santo in September, during 15 rainfall days, 199mm (7.83") of precipitation is typically accumulated.
• Bunlap - September »
  The months with the highest UV index in Bunlap are January through March, September through December, with an average maximum UV index of 12. In September, the average sea temperature in Bunlap, Vanuatu, is 27°C (80.6°F).