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September Weather in Haapu, French Polynesia

Last updated: August 23, 2025

In September, the average temperature in Haapu, French Polynesia hovers around 25°C (78°F), offering a comfortable climate. Expect minimum temperatures of 23°C (73°F) and a maximum peak at 27°C (80°F). While enjoying this pleasant weather, be prepared for 64 mm (2.5 in) of precipitation spread over 16 days, accompanied by a relatively high average humidity of 83%.

September Temperature in Haapu

In September in Haapu, the average temperature is 25°C (78°F), with maximums reaching 27°C (80°F) and minimums dropping to as low as 23°C (73°F). This pleasant climate makes Haapu an ideal destination for travelers looking to enjoy mild weather and comfortable conditions.

September Weather in Haapu: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Haapu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Haapu, September typically has an average temperature of 25°C (78°F), with highs reaching up to 27°C (80°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec808081818079787877787979
Data source: Temperature data for Haapu 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 Haapu

In Haapu in September, the precipitation amount is 64 mm (2.5 in) spread over 16 days.

September Precipitation Trends in Haapu

The chart displays monthly precipitation patterns in Haapu, 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 Haapu, September typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec21429919714097144865764140194254
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Haapu

In Haapu in September, humidity is 83%. With an average temperature of 25°C (78°F), this humidity feels like stepping into a warm, damp embrace, making travel sticky and exhausting, as each movement can leave you drenched in sweat.

September Average Humidity in Haapu

This chart illustrates the average monthly humidity levels in Haapu, 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 Haapu is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%82%79%80%80%80%79%83%83%84%83%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Haapu

In Haapu in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Haapu.

Maximum UV Index Levels in Haapu for September

The chart shows the monthly maximum UV Index (UVI) for Haapu 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 Haapu typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1615151310881013151514
Data source: Haapu 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 Haapu Compares to Other Months

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

This table compares monthly weather conditions in Haapu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (80°F)214 mm (8.4 inches)80%extreme
February Weather27°C (80°F)298 mm (11.8 inches)81%extreme
March Weather27°C (81°F)197 mm (7.7 inches)79%extreme
April Weather27°C (81°F)140 mm (5.5 inches)80%extreme
May Weather27°C (80°F)97 mm (3.8 inches)80%very high
June Weather26°C (79°F)144 mm (5.7 inches)80%very high
July Weather26°C (78°F)86 mm (3.4 inches)79%very high
August Weather25°C (78°F)57 mm (2.3 inches)83%very high
September Weather25°C (78°F)64 mm (2.5 inches)83%extreme
October Weather25°C (78°F)140 mm (5.5 inches)84%extreme
November Weather26°C (79°F)194 mm (7.6 inches)83%extreme
December Weather26°C (80°F)254 mm (10.0 inches)82%extreme

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