September Weather in Fitii, French Polynesia

Last updated: August 23, 2025

In September, the average temperature in Fitii, 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 Fitii

In September in Fitii, 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 Fitii an ideal destination for travelers looking to enjoy mild weather and comfortable conditions.

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

The chart illustrates September temperature patterns in Fitii, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fitii, 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).

Data source: Temperature data for Fitii generated using information from the Copernicus Climate Change Service.

September Precipitation in Fitii

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

September Precipitation Trends in Fitii

The chart displays monthly precipitation patterns in Fitii, 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 Fitii, September typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 16 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Fitii

In Fitii 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 Fitii

This chart illustrates the average monthly humidity levels in Fitii, 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 Fitii is approximately 83%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Fitii

In Fitii 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 Fitii.

Maximum UV Index Levels in Fitii for September

The chart shows the monthly maximum UV Index (UVI) for Fitii 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 Fitii typically reaches 13, which falls under the extreme exposure category.

Data source: Fitii 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 Fitii Compares to Other Months

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

This table compares monthly weather conditions in Fitii, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (80°F)	214 mm (8.4 inches)	80%	extreme
February Weather	27°C (80°F)	298 mm (11.8 inches)	81%	extreme
March Weather	27°C (81°F)	197 mm (7.7 inches)	79%	extreme
April Weather	27°C (81°F)	140 mm (5.5 inches)	80%	extreme
May Weather	27°C (80°F)	97 mm (3.8 inches)	80%	very high
June Weather	26°C (79°F)	144 mm (5.7 inches)	80%	very high
July Weather	26°C (78°F)	86 mm (3.4 inches)	79%	very high
August Weather	25°C (78°F)	57 mm (2.3 inches)	83%	very high
September Weather	25°C (78°F)	64 mm (2.5 inches)	83%	extreme
October Weather	25°C (78°F)	140 mm (5.5 inches)	84%	extreme
November Weather	26°C (79°F)	194 mm (7.6 inches)	83%	extreme
December Weather	26°C (80°F)	254 mm (10.0 inches)	82%	extreme