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September Weather in Port-Olry, Vanuatu

Last updated: August 28, 2025

In September, the average temperature in Port-Olry, Vanuatu hovers around 24°C (76°F). Expect pleasant conditions with minimums of 22°C (71°F) and maximums reaching 26°C (80°F). However, be prepared for some rain, as precipitation averages 206 mm (8.1 in) over 19 days. With an average humidity of 79%, a light breeze may be your best friend for staying comfortable!

September Temperature in Port-Olry

In September in Port-Olry, the average temperature is 24°C (76°F). Maximums can reach 26°C (80°F), and minimums can be as low as 22°C (71°F). This mild and pleasant weather makes it an ideal time for travelers to explore and enjoy outdoor activities.

September Weather in Port-Olry: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Port-Olry, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port-Olry, September typically has an average temperature of 24°C (76°F), with highs reaching up to 26°C (80°F) and lows dropping to around 22°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec797979797877767576777878
Data source: Temperature data for Port-Olry generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Port-Olry

In Port-Olry in September, the precipitation amount is 206 mm (8.1 in) during 19 days, indicating a rainy stretch that significantly impacts the region's weather patterns.

September Precipitation Trends in Port-Olry

The chart displays monthly precipitation patterns in Port-Olry, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Port-Olry, September typically receives around 206 mm (8.1 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec210364349300311138115149206215228281
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Port-Olry

In Port-Olry in September, humidity is 79%. With an average temperature of 24°C (76°F), this humidity feels like a thick blanket wrapped around you, making traveling somewhat uncomfortable and sticky, as you navigate through the warmth while constantly seeking shade and hydration.

September Average Humidity in Port-Olry

This chart illustrates the average monthly humidity levels in Port-Olry, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Port-Olry is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%80%78%81%81%80%80%81%79%82%82%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Port-Olry

In Port-Olry in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Port-Olry, you can check here.

Maximum UV Index Levels in Port-Olry for September

The chart shows the monthly maximum UV Index (UVI) for Port-Olry in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Port-Olry typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16161614119101214151415
Data source: Port-Olry September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Port-Olry Compares to Other Months

Weather in Port-Olry varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Port-Olry, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Port-Olry, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)210 mm (8.3 inches)81%extreme
February Weather26°C (80°F)364 mm (14.3 inches)80%extreme
March Weather26°C (79°F)349 mm (13.7 inches)78%extreme
April Weather26°C (79°F)300 mm (11.8 inches)81%extreme
May Weather25°C (78°F)311 mm (12.2 inches)81%extreme
June Weather25°C (77°F)138 mm (5.4 inches)79%very high
July Weather24°C (76°F)115 mm (4.5 inches)80%very high
August Weather24°C (76°F)149 mm (5.9 inches)81%extreme
September Weather24°C (76°F)206 mm (8.1 inches)79%extreme
October Weather25°C (77°F)215 mm (8.5 inches)82%extreme
November Weather25°C (78°F)228 mm (9.0 inches)82%extreme
December Weather26°C (79°F)281 mm (11.1 inches)82%extreme

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