Last updated: October 30, 2025
September in Mahina, French Polynesia offers a pleasant tropical climate, with average temperatures around 24°C (76°F) and daily highs reaching up to 26°C (79°F). As warm as the days may be, nights cool down to a comfortable 22°C (71°F), inviting serene evenings. However, be prepared for occasional showers, as the region experiences 110 mm (4.4 in) of precipitation spread over 16 days during the month. Humidity levels hover around a robust 82%, enhancing the lush vegetation that characterizes this idyllic paradise. Whether exploring the vibrant landscapes or enjoying the serene beaches, September provides a delightful blend of warmth and refreshment in Mahina.
September is a delightful time to visit Mahina, French Polynesia, as the temperatures begin to stabilize into a pleasant rhythm. With lows around 22°C (71°F) and highs reaching 26°C (79°F), the weather provides an inviting atmosphere for outdoor activities and relaxation. The average temperature hovers around a comfortable 24°C (76°F), making it ideal for exploring the lush landscapes or lounging by the beach. As the transition from the cooler months of July and August wraps up, September often offers a lovely blend of sunny days and mild evenings, setting the stage for an unforgettable island experience.
In September, Mahina experiences a moderate shift in its precipitation patterns with 110 mm (4.4 in) of rain over 16 days. This marks a slight increase from the drier months of August, which saw only 65 mm (2.6 in), signaling the end of the dry season and a return to wetter conditions as the region heads into spring. While overall precipitation begins to rise, it still remains lower than the peaks of the following months, such as October and November, where moisture levels significantly increase. The combination of reduced rainfall days and moderate totals in September suggests a transitional month, paving the way for the heavier rains characteristic of the upcoming tropical season.
In September, Mahina experiences a slight dip in humidity at 82%, following the more humid embrace of August, which peaked at 83%. This month marks a continuation of the generally high humidity levels characteristic of the region throughout the year. The average humidity remains relatively stable, hovering between 78% and 84% from July to October, suggesting a tropical climate that prevails in this idyllic part of French Polynesia. As the year progresses into the warmer months, the humidity tends to climb, peaking in October, hinting at the lush vegetation and vibrant marine life that flourish under these moisture-laden skies.
In September, Mahina, French Polynesia, experiences a UV Index of 13, placing it back in the extreme exposure category with a burn time of just 10 minutes. This resurgence in UV intensity reflects a trend of fluctuating levels throughout the year, with the highest indices occurring from January to April, and again in October and November. While the intensity dips slightly in May to August with a very high rating, September marks a significant reminder of the sun's potency as the region transitions towards the end of the year. Visitors should be mindful of proper sun protection even during this month. For further details on UV exposure levels throughout the year, visit Mahina UV Index.
UV Risk Categories
As September unfolds in Mahina, French Polynesia, the island basks in its warmest embrace yet, boasting 292 hours of glorious sunshine. This marks a delightful crescendo in daylight hours, continuing the upward trend witnessed since August's 289 hours. The sunshine hours have steadily increased throughout the year, with a notable jump from the 266 hours of June to September's sun-drenched days. As autumn approaches, Mahina prepares for even more radiant October, forecasted to shine for an impressive 312 hours. This gradual ascent in sunshine not only illuminates the vibrant landscapes but also invigorates the island's spirit, making September an ideal time to soak in the beauty and warmth of this tropical paradise.
In September, Mahina, French Polynesia, enjoys an impressive 66% chance of sunny weather, making it one of the brightest months of the year. This uptick in sunshine is part of a clear upward trend that begins mid-year, as the region transitions from the cooler, cloudier months of July and August, which have 59% and 61% chances of sun, respectively. With each passing month, the likelihood of clear skies increases, culminating in a picturesque September that's perfect for outdoor adventures. As October approaches, the chance of sun dips slightly to 48%, so September truly stands out as a peak moment for those seeking to bask in the warm Polynesian sun.
In Mahina, French Polynesia, the daylight duration experiences a subtle yet telling progression throughout the year. January starts off with an inviting 13 hours of daylight, gradually tapering to 12 hours by February and March. As the year advances into the spring months, daylight takes a dip, settling at 11 hours from April through September. This consistent duration contributes to a serene atmosphere, perfect for enjoying the island's natural beauty. However, come October, daylight begins its ascent once more, climbing back to 12 hours and culminating in December with another surge to 13 hours. This rhythmic fluctuation in daylight not only marks the changing seasons but also sets the stage for the vibrant life that thrives in this tropical paradise.
In September, the winds in Mahina, French Polynesia, maintain a steady and refreshing pace, averaging 6.1 m/s (14 mph), mirroring the breezy conditions of the previous month. This consistent wind speed reflects a transitional period, as the region moves from the slightly stronger currents of July and August to the gentler breezes of the upcoming months. With an upward trend evident during the mid-year months, September caps off the peak wind season, making it an ideal time for water sports enthusiasts and nature lovers alike to embrace the invigorating atmosphere of this tropical paradise. As the year progresses into the calmer months ahead, the winds will eventually settle into a softer rhythm, creating a serene backdrop for those who wish to unwind in this idyllic setting.
Weather in Mahina varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Mahina, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the temperatures in Mahina range from a minimum of 22°C (71°F) to a maximum of 26°C (79°F), with an average of 24°C (76°F). The month experiences a precipitation total of 110 mm (4.4 in) over 16 days and maintains a high humidity level of 82%. In contrast, January boasts slightly warmer temperatures, with a minimum of 23°C (73°F) and a maximum of 28°C (82°F), averaging 26°C (79°F). However, January is notably wetter, receiving 250 mm (9.8 in) of rain over 22 days, while humidity remains comparatively lower at 80%. For more detailed information, you can visit Mahina weather in January.
In September, the weather features a mild temperature range, with a minimum of 22°C (71°F) and an average of 24°C (76°F), peaking at 26°C (79°F). This month experiences significant rainfall, with a total precipitation of 110 mm (4.4 in) over 16 days, and humidity levels are high at 82%.
In contrast, February sees slightly warmer temperatures, with a minimum of 23°C (74°F) and an average of 26°C (79°F), reaching a maximum of 28°C (83°F). However, February is also much wetter, boasting a significant increase in precipitation to 334 mm (13.1 in) spread across 24 days, while maintaining a similar humidity level of 81%. For more detailed insights, you can visit Mahina weather in February.
September and March present distinct weather conditions, with September generally being milder. In September, temperatures range from a minimum of 22°C (71°F) to a maximum of 26°C (79°F), with an average of 24°C (76°F). Humidity is relatively high at 82%, and precipitation occurs on about 16 days, totaling 110 mm (4.4 in). In contrast, March tends to be warmer, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (83°F) and an average of 26°C (79°F). However, it also experiences more rainfall, with a total of 213 mm (8.4 in) spread over 27 days, while humidity remains slightly lower at 79%. For a more detailed overview, you can check Mahina weather in March.
In comparing the weather of September and April, we see that both months have warm temperatures, but April tends to be slightly warmer, with average highs reaching 28°C (83°F) compared to September's 26°C (79°F). September experiences higher humidity at 82%, while April's humidity is slightly lower at 79%. Additionally, April typically sees more precipitation, with 157 mm (6.2 in) over 25 days, compared to September's 110 mm (4.4 in) over 16 days. For a more detailed look at April's weather, you can visit Mahina weather in April.
In September, temperatures range from a minimum of 22°C (71°F) to a maximum of 26°C (79°F), with an average temperature of 24°C (76°F). This month experiences higher precipitation, totaling 110 mm (4.4 in) over 16 days, and humidity levels are a bit elevated at 82%.
In contrast, May boasts slightly warmer temperatures, with a minimum of 23°C (74°F) and a maximum of 28°C (82°F), averaging 26°C (79°F). The total precipitation is lower at 96 mm (3.8 in) but occurs over more days, with 21 days of rain. Humidity in May is slightly less at 80%.
For further details, check out Mahina weather in May.
In September, the weather features a similar temperature range to June, with minimums around 22°C (71°F) and maximums reaching 26°C (79°F). However, September is slightly cooler overall with an average temperature of 24°C (76°F) compared to June's 25°C (78°F). Both months experience significant precipitation, but September sees 110 mm (4.4 in) over 16 days, while June has 115 mm (4.5 in) spread across 20 days. Humidity levels are quite comparable as well, with September at 82% and June a touch lower at 80%. For more detailed insights into June weather, you can visit Mahina weather in June.
In comparing the weather between September and July, both months feature relatively warm temperatures, with September showing a minimum of 22°C (71°F) and an average of 24°C (76°F), while July has a slightly higher average temperature of 25°C (76°F) with a maximum of 27°C (80°F). Precipitation levels are also notable, with September receiving 110 mm (4.4 in) over 16 days, compared to July's 134 mm (5.3 in) spread across 20 days. Additionally, September is slightly more humid at 82%, whereas July maintains a humidity level of 78%. For a closer look at July's weather specifics, you can visit Mahina weather in July.
In comparing the weather of September and August, we see that both months share similar temperature ranges, with minimums at 22°C (71°F), averages at 24°C (76°F), and maximums at 26°C (79°F). However, September experiences significantly higher precipitation, totaling 110 mm (4.4 in) over 16 days, compared to August's 65 mm (2.6 in) over 15 days. This results in slightly lower humidity in August at 83%, while September holds steady at 82%. For more detailed weather specifics, you can check Mahina weather in August.
September and October present quite similar temperature profiles, with both months featuring a minimum of 22°C (71°F), an average of 24°C (76°F), and a maximum of 26°C (79°F). However, October experiences a noticeable increase in precipitation, totaling 162 mm (6.4 in) over 21 days, compared to September's 110 mm (4.4 in) across 16 days. Additionally, humidity creeps up slightly from 82% in September to 84% in October, creating a somewhat more humid atmosphere as the months progress. For more detailed insights into October's weather, you can visit Mahina weather in October.
In comparing the weather between September and November, we see a gentle rise in temperatures, with November showcasing a minimum of 23°C (73°F) and an average of 25°C (77°F), slightly higher than September's minimum of 22°C (71°F) and average of 24°C (76°F). Both months maintain similar humidity levels at 82%. However, November experiences significantly more rainfall, with precipitation totaling 182 mm (7.2 in) over 23 days, compared to September's 110 mm (4.4 in) across 16 days. This increase in rainfall suggests that November may feel more humid and wetter than September. For more detailed information, check out Mahina weather in November.
In September, the weather tends to be warm with average temperatures ranging from a minimum of 22°C (71°F) to a maximum of 26°C (79°F) and average humidity at 82%. The month also experiences some rainfall, totaling 110 mm (4.4 in) over approximately 16 days. In contrast, December brings slightly higher temperatures, with minimums at 23°C (74°F) and maximums reaching up to 28°C (82°F), while average humidity remains the same at 82%. However, December is significantly wetter, accumulating 271 mm (10.7 in) of precipitation over 26 days. For more detailed information, you can visit Mahina weather in December.
As September rolls in, Mahina transforms into a delightful blend of warm temperatures and refreshing humidity, making it distinct from the preceding and following months. With an average temperature that gently hovers around a comfortable 24°C, this month offers a pleasant escape from the typical heat of summer. However, the frequent rainfall, occurring on about half of the days, adds a vibrant freshness to the landscape, contrasting sharply with the drier seasons. The high humidity, reaching 82%, enhances the lushness of the surroundings, creating a uniquely tropical atmosphere. For a deeper dive into the changing patterns of Mahina's weather, explore more at Mahina Climate.