Last updated: October 30, 2025
September in Pirae, French Polynesia offers a delightful blend of warm temperatures and tropical serenity. With maximum temperatures reaching 26°C (79°F) and an inviting average of 24°C (76°F), the days are pleasantly warm, perfect for outdoor exploration. However, the month also brings a touch of moisture, with 110 mm (4.4 in) of rainfall over 16 days, which fosters the lush, vibrant landscapes the region is known for. High humidity levels of 82% add to the tropical atmosphere, creating an immersive experience for visitors. Whether you're enjoying the sun or the occasional rain shower, September in Pirae ensures a memorable encounter with nature's beauty.
In September, Pirae, French Polynesia begins to transition into a warmer season, with temperatures reflecting a subtle shift. Minimum temperatures remain steady at a comfortable 22°C (71°F), while average highs peak at around 26°C (79°F). This marks a slight increase from the cooler months of August, when temperatures dipped to their lowest. Overall, September offers a delightful tropical charm, maintaining a pleasant ambience that's ideal for outdoor activities, whether it's exploring the lush landscapes or lounging by the stunning beaches. As the island gears up for the warmer months ahead, visitors can relish the soothing warmth that pairs perfectly with the spectacular scenery.
In September, Pirae experiences a moderate precipitation level of 110 mm (4.4 in), marking a slight increase from August's drier conditions, which saw only 65 mm (2.6 in). The rainy days also rise to 16, indicating a return to more frequent showers as the wet season approaches. This shift in rainfall trends sets the stage for a gradual buildup of humidity as the year progresses toward its wetter months, notably October and November. Overall, September serves as a transition point where the island's lush landscapes begin to rejuvenate, paving the way for the vibrant growth that follows.
In September, Pirae experiences a humidity level of 82%, slightly lower than the peak of 83% observed in August but still indicative of the generally high moisture characteristic of this region. This month sits comfortably amid a pattern of consistent humidity that hovers between 78% and 84% throughout the year. Notably, the trend shows that humidity tends to rise towards the end of the year, making September a transitional month as it approaches the more humid October. Overall, Pirae's climate remains warm and inviting, with humidity levels creating a lush tropical atmosphere ideal for enjoying its stunning landscapes.
In September, Pirae, French Polynesia, experiences a UV Index of 13, placing it back into the extreme exposure category with a burn time of just 10 minutes. This uptick in UV intensity follows a brief period of very high UV levels during the mid-year months of June through August, where the index hovered around 8 to 10. As the sun's rays regain their strength, it's crucial for residents and visitors alike to take precautions against sunburn, similar to conditions earlier in the year when the UV Index peaked at 16 in January. With the trend of extreme UV levels continuing into October, awareness and protective measures remain vital. For more details on weekly UV forecasts, check out the Pirae UV Index.
UV Risk Categories
September is a delightful highlight in Pirae, French Polynesia, boasting 292 hours of radiant sunshine. This month marks a continuation of the upward trend in sunlight, following the already impressive August, which recorded 289 hours. As the year progresses, September nudges closer to October, traditionally the sunniest month with 312 hours. The gradual increase in sunlight from earlier months hints at a vibrant transition into the warmer season, making this time particularly inviting for sun-seekers and nature lovers alike. With each passing month, Pirae's sunshine hours seem to celebrate the beauty of the tropical climate, encouraging outdoor adventures and leisurely beach days.
September in Pirae, French Polynesia, marks a delightful increase in the likelihood of sunny weather, with a promising 66% chance of sun. This notable rise follows the dry, sunny streak from August, where the sun graced the skies 61% of the time. As we transition from winter to spring in the Southern Hemisphere, the days heat up, establishing September as one of the sunniest months of the year. This upward trend culminates a gradual increase that began in June and reflects a general pattern of increasing sunshine as the year progresses towards the warmer months. So, if you're dreaming of basking in warm rays against the stunning backdrop of Pirae, September is an excellent choice!
In Pirae, French Polynesia, September marks a continuation of the transitional phase in daylight duration, offering about 11 hours of daylight. This aligns with the pattern observed from April through August, where the daylight hours stabilize at the same length. As the year progresses towards October, daylight begins to gradually extend again, hinting at the cyclical rhythm of the tropical seasons. Notably, both January and December stand out at 13 hours, basking in summer's embrace, while February through March and October to November see a range of 12-hour stretches. The consistent daylight in September reflects a serene, predictable climate, perfect for enjoying the island's natural beauty.
As September sets in Pirae, French Polynesia, the winds remain pleasantly brisk, averaging 6.1 m/s (14 mph). This consistent breeze aligns with the peak wind of July and echoes the slower pace of the spring months. While February and April see calmer conditions, the early spring and later summer months boast livelier gusts. The trend highlights a stable transition as the region shifts from the more vigorous winds of mid-year towards the gentler breezes of fall, inviting both adventurers and relaxation seekers to embrace the serene beauty of this tropical paradise.
Weather in Pirae varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Pirae, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather typically features warmer temperatures, with a minimum of 22°C (71°F) and an average of 24°C (76°F), peaking at a maximum of 26°C (79°F). While it is relatively humid at 82%, the month sees significant precipitation, with 110 mm (4.4 in) falling over 16 days. In contrast, January is slightly warmer, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 28°C (82°F), averaging 26°C (79°F). However, it also experiences considerably more rainfall, with 250 mm (9.8 in) spread over 22 days and a slightly lower humidity level of 80%. For a detailed comparison, you can check Pirae weather in January.
In comparing the weather between September and February, September tends to be slightly cooler with average temperatures ranging from 22°C (71°F) to 26°C (79°F) and an average precipitation of 110 mm (4.4 in) over 16 days. In contrast, February experiences warmer conditions with temperatures ranging from 23°C (74°F) to 28°C (83°F) and significantly higher precipitation at 334 mm (13.1 in) spread across 24 days. Both months have high humidity levels, but February remains just a shade lower at 81%. For more details on the February weather, you can check this resource: Pirae weather in February.
In comparing the weather between September and March, we notice a few distinct differences. September features slightly cooler temperatures with an average of 24°C (76°F) and a lower maximum of 26°C (79°F), while March sees a rise in temperature, with averages reaching 26°C (79°F) and maxing out at 28°C (83°F). Precipitation also tends to be heavier in March, with 213 mm (8.4 in) of rainfall spread over 27 days, compared to September’s 110 mm (4.4 in) over 16 days. Interestingly, humidity levels are somewhat comparable, with September at 82% and March slightly lower at 79%. For more detailed conditions during this month, you can explore the Pirae weather in March.
When comparing the weather in September and April, both months exhibit warm temperatures, but April tends to be slightly warmer overall. September has a minimum temperature of 22°C (71°F) and an average of 24°C (76°F), while April has a minimum of 23°C (74°F) and an average of 26°C (79°F). Additionally, April sees higher maximum temperatures, peaking at 28°C (83°F) compared to September's maximum of 26°C (79°F). Precipitation levels are also noteworthy; September experiences 110 mm (4.4 in) of rain over 16 days, whereas April records a more substantial 157 mm (6.2 in) over 25 days. Humidity levels are fairly comparable, with September at 82% and April slightly lower at 79%. For more details on April weather, you can visit Pirae weather in April.
In comparing the weather of September and May, September typically sees slightly cooler temperatures, with averages around 24°C (76°F) compared to May's warmer average of 26°C (79°F). Both months experience high humidity, but September has an average humidity of 82%, just above May's 80%. Precipitation is more frequent in September, with 110 mm (4.4 in) falling over 16 days, compared to May's 96 mm (3.8 in) over 21 days. Notably, for those interested in further details regarding the weather in May, you can check out Pirae weather in May.
In comparing the weather of September and June, both months display relatively warm temperatures, with September averaging 24°C (76°F) and June slightly warmer at 25°C (78°F). The maximum temperatures are comparable as well, with June reaching 27°C (81°F) and September peaking at 26°C (79°F). However, September tends to experience slightly higher precipitation, totaling 110 mm (4.4 in) over 16 days, compared to June's 115 mm (4.5 in) over 20 days. Humidity levels are quite similar, with September at 82% and June slightly lower at 80%. For more detailed information about weather patterns in June, you can check Pirae weather in June.
In comparing the weather between September and July, both months experience similar temperature ranges, with September having slightly cooler averages. September's temperatures range from a minimum of 22°C (71°F) to a maximum of 26°C (79°F), while July sees a minimum of 22°C (73°F) and reaches up to 27°C (80°F). Precipitation, however, is more pronounced in July, with 134 mm (5.3 in) falling over 20 days compared to September's 110 mm (4.4 in) across 16 days. Additionally, September experiences a higher humidity level at 82% compared to July's 78%. For more detailed insights on July weather, you can check Pirae weather in July.
In comparing the weather of September and August, both months maintain similar temperature ranges, with minimums at 22°C (71°F), averages at 24°C (76°F), and maximums reaching 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. Humidity levels also remain relatively close, with September at 82% and August slightly higher at 83%. For more detailed information about August’s weather, you can visit Pirae weather in August.
September and October exhibit quite similar temperatures, with both months averaging around 24°C (76°F) and experiencing a range of 22°C (71°F) to 26°C (79°F). However, October tends to have increased precipitation, with 162 mm (6.4 in) over 21 days compared to September's 110 mm (4.4 in) across 16 days. Additionally, October is slightly more humid at 84% compared to September's 82%. For more detailed weather information, you can check out Pirae weather in October.
In comparing the weather of September and November, both months exhibit similar humidity levels at 82%, contributing to a consistently tropical atmosphere. September typically sees temperatures ranging from a minimum of 22°C (71°F) to a maximum of 26°C (79°F), while November experiences slightly warmer conditions with minimums at 23°C (73°F) and maximums reaching 27°C (81°F). However, November is characterized by significantly higher precipitation, totaling 182 mm (7.2 in) over 23 days, compared to September's 110 mm (4.4 in) over 16 days. For more detailed information, you can check out Pirae weather in November.
In September, the weather tends to be slightly cooler with average temperatures ranging from a minimum of 22°C (71°F) to a maximum of 26°C (79°F). The month experiences significant rainfall, totaling 110 mm (4.4 in) over about 16 days, while humidity remains high at 82%. In contrast, December sees warmer temperatures, with an average ranging from 23°C (74°F) to a maximum of 28°C (82°F). However, it also brings an increase in precipitation, amounting to 271 mm (10.7 in) over 26 days, maintaining the same high humidity level of 82%. For more detailed information, you can check out Pirae weather in December.
As September unfolds in Pirae, the average temperature gently settles into a comfortable warmth, making way for a subtle transition from the drier winter months to the more humid spring. While the air remains pleasantly mild, with highs reaching 26°C, the increase in humidity to around 82% and precipitation over 16 days reveals the onset of a wetter season. This increased rainfall, totaling approximately 110 mm, marks a shift toward the lush, vibrant landscapes that define the region. Travelers planning a visit during this month can expect a balance of comfortable temperatures and blooming greenery, highlighting the unique charm of Pirae's September weather. For more insights into the climate, explore Pirae Climate.