September Weather in Atuona, French Polynesia

Last updated: August 21, 2025

Experience the enchanting September weather in Atuona, French Polynesia, where average temperatures hover around 25°C (78°F), with highs reaching a warm 27°C (80°F) and nights cooling to a comfortable 24°C (75°F). This month sees approximately 32 mm (1.3 in) of rainfall spread over 13 days, contributing to the lush, vibrant landscapes that define this tropical paradise. Coupled with a humidity level of 80%, September in Atuona is a perfect showcase of the blend between warmth and refreshing showers, creating an inviting atmosphere for any traveler seeking to immerse themselves in the beauty of Polynesian culture and nature.

September Temperature in Atuona

In September, the temperatures in Atuona, French Polynesia showcase a gentle transition towards milder conditions, with a minimum of 24°C (75°F) and a comfortable average temperature of 25°C (78°F). As the month progresses, highs reach around 27°C (80°F), marking slightly cooler days compared to the peak warmth of earlier months. This gradual drop is consistent with the climatic shift observed as Atuona transitions into its drier season, making September an excellent time for those seeking pleasant weather for outdoor activities and exploring the island's stunning landscapes. Overall, the temperature trends reflect the consistently warm climate characteristic of this idyllic region throughout the year.

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

The chart illustrates September temperature patterns in Atuona, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Atuona, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec797980808079787878787879
Data source: Temperature data for Atuona 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 Atuona

In September, Atuona, French Polynesia experiences a gentle decline in precipitation, with a total of 32 mm (1.3 in) spread across 13 days. This represents a continuing trend from the preceding months, where rainfall gradually diminished from the wetter conditions of April and May. The transition into September marks the onset of drier weather, as the island sees a moderation in both the amount and frequency of rain compared to the heavy showers of earlier in the year. Despite this decrease, the tropical charm of Atuona remains vibrant, glistening under the soft patter of occasional rains that nurture its lush landscape. As October approaches, precipitation levels hold steady, suggesting a stable shift towards the drier season.

September Precipitation Trends in Atuona

The chart displays monthly precipitation patterns in Atuona, 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 Atuona, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec304173786552403732323531
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Atuona

As the seasons shift in Atuona, French Polynesia, September marks a slight uptick in humidity, settling at 80%. This change reflects a gentle transition from the drier months of July and June, where humidity levels dipped to their lowest at 78%. Interestingly, the humidity remains relatively stable throughout the year, with a consistent pattern showcasing averages around 80% from April through October. This subtle rise in September hints at an impending return to the more humid conditions characteristic of the island's summer months, as January and February lead the charge with higher averages of 83%. Thus, September serves as a bridge, hinting at the lush, tropical atmosphere that awaits in the coming months.

September Average Humidity in Atuona

This chart illustrates the average monthly humidity levels in Atuona, 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 Atuona is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%83%81%81%80%79%78%79%80%81%79%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Atuona

In September, Atuona experiences a notably high UV Index of 14, categorized as extreme, indicating that sun exposure can lead to burns in as little as 10 minutes. This trend of elevated UV levels continues from previous months, reflecting the region’s consistently intense sunlight throughout the year. Following a slight dip in June and July, when the index was at 10 (very high), September's return to the extreme category emphasizes the need for sun safety precautions. As you enjoy the beautiful surroundings of French Polynesia, be sure to protect your skin and stay informed. For more details, visit Atuona UV Index.

Maximum UV Index Levels in Atuona for September

The chart shows the monthly maximum UV Index (UVI) for Atuona 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 Atuona typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151515141210101214141414
Data source: Atuona 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.

September Sunshine in Atuona

As September unfolds in Atuona, French Polynesia, the island basks in an impressive 307 hours of sunshine, a delightful continuation of the warm, sunlit days of summer. This month mirrors the brightness of August and stands proudly within a pattern of consistent sunshine that characterizes the region. Notably, the sun shines longest in the latter months of the year, with October and December promising even more radiant days ahead. This trend not only enhances the island's natural beauty but also invites travelers to relish in the vibrant outdoor experiences that Atuona has to offer. Embrace the warmth and let September's golden rays illuminate your adventures on this tropical paradise.

Monthly Sunshine Duration in Atuona: September Highlighted

The September sunshine duration represents the total number of hours Atuona experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec276h299h319h295h307h294h305h309h307h324h318h338h
Data source: Atuona September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Atuona During September

In Atuona, French Polynesia, the month of September boasts a notably high likelihood of sunny weather, with the chance of sun reaching 71%. This marks a significant increase from the earlier months, reflecting a trend where the likelihood of sunshine tends to rise as the year progresses. August sets the stage with a solid 66%, while June and July show promising skies at 64% and 59%, respectively. As the region transitions from winter to spring, September emerges as one of the sunniest months, inviting visitors to bask in its warm embrace and enjoy the island's breathtaking landscapes under clear blue skies.

Percentage of Sunny Days in September in Atuona

The chart illustrates the percentage of sunny days in Atuona throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Atuona experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec56%59%52%54%61%64%59%66%71%68%65%67%
Data source: Atuona September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Atuona in September

In Atuona, French Polynesia, the rhythm of sunlight dances gracefully throughout the year. Starting from January through March, residents and visitors alike enjoy a generous 12 hours of daylight, embracing the warm tropical vibes. As the seasons shift into April, daylight begins to decrease slightly to 11 hours, a trend that continues through the winter months of June to August. However, the beginning of September heralds a return to 12 hours of daylight, restoring the vibrant energy of these sunny days. This fluctuation highlights a gentle transition between abundance and moderation, reflecting the island's unique climate and enriching the experience of this picturesque locale. As October and November follow suit, the consistent daylight remains a testament to the region’s stable, inviting atmosphere.

Average Daylight Hours in Atuona for September

The chart illustrates the variation in daylight duration in Atuona throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 36m12h 23m12h 7m11h 51m11h 38m11h 32m11h 36m11h 47m12h 2m12h 18m12h 33m12h 40m
Data source: Atuona daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Atuona

In September, Atuona, French Polynesia experiences a refreshing average wind speed of 7.9 m/s (18 mph), marking a notable uptick from the calmer breezes of earlier months. This trend of increasing wind speeds peaks in July at 9.0 m/s (20 mph), but September maintains a brisk and invigorating pace, suggesting a shift towards more dynamic conditions as the year progresses. The winds consistently hover in the upper range from June onward, indicating a transition into a more invigorating season. As summer fades, the gentle yet lively September winds invite both locals and visitors to embrace the serene beauty of Atuona's tropical landscape, making it a delightful time to explore the island's natural wonders.

Average September Wind Speed in Atuona

The chart displays monthly wind speed patterns in Atuona, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec7.16.56.26.56.97.49.07.47.9 m/s7.76.67.3
Data source: Atuona September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Atuona Compares to Other Months

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

In September, temperatures are slightly cooler with an average of 25°C (78°F), while January sees a marginally warmer average of 26°C (79°F). Both months maintain a similar minimum temperature of 24°C (75°F), but January peaks at a higher maximum of 28°C (83°F) compared to September’s 27°C (80°F). Precipitation levels are comparable, with September receiving 32 mm (1.3 in) over 13 days and January slightly less at 30 mm (1.2 in) over 11 days. Humidity is slightly higher in January at 83%, compared to September's 80%. For more details, you can check Atuona weather in January.

In September, temperatures in Atuona typically range from a minimum of 24°C (75°F) to a maximum of 27°C (80°F), with an average of 25°C (78°F). The month experiences about 32 mm (1.3 in) of precipitation spread over 13 days, and humidity levels are relatively high at 80%. In contrast, February sees a slight increase in temperatures, with a minimum of 24°C (75°F) and a maximum of 28°C (83°F), averaging 26°C (80°F). Precipitation also rises to 41 mm (1.6 in) over 14 days, coupled with marginally higher humidity at 83%. This comparison illustrates that while both months are warm and humid, February tends to be slightly wetter and warmer than September. For more detailed information, you can visit Atuona weather in February.

In comparing the weather of September and March, both months experience similar temperature ranges, with September averaging around 25°C (78°F) and March slightly warmer at 27°C (80°F). September sees a maximum of 27°C (80°F), while March peaks at 28°C (83°F). However, March is notably wetter, receiving 73 mm (2.9 in) of precipitation over 14 days compared to September's 32 mm (1.3 in) across 13 days. Humidity levels remain high in both months, with March slightly higher at 81% compared to September's 80%. For a detailed look at the weather during this time, you can visit Atuona weather in March.

When comparing the weather in September and April, both months maintain similar minimum temperatures around 24°C (75-76°F), but April tends to be slightly warmer overall, with average and maximum temperatures reaching 27°C (81°F) and 29°C (84°F), respectively. September experiences less precipitation, with 32 mm (1.3 in) over 13 days, while April sees an increase to 78 mm (3.1 in) across 16 days, making it a wetter month. Humidity levels are comparable, hovering around 80-81%. For a detailed look at how April weather unfolds, you can visit Atuona weather in April.

In comparing the weather between September and May, both months exhibit warm temperatures, but May tends to be slightly warmer overall. September records a minimum temperature of 24°C (75°F), with an average of 25°C (78°F) and a maximum of 27°C (80°F). In contrast, May sees a similar minimum of 24°C (75°F), but boasts a higher average of 26°C (80°F) and peaks at 28°C (83°F). Precipitation is considerably higher in May, with 65 mm (2.6 in) falling over 15 days, compared to September's 32 mm (1.3 in) across 13 days. Despite the increased rainfall in May, both months share a consistent humidity level of 80%. For more specific details, you can explore Atuona weather in May.

In comparing the weather of September and June, both months exhibit warm temperatures with minimal variation. September experiences a range with minimum temperatures of 24°C (75°F) and maximums reaching 27°C (80°F), while June has slightly warmer averages, ranging from 24°C (76°F) to 28°C (82°F). However, June also sees increased precipitation, totaling 52 mm (2.1 in) over 16 days, compared to September's 32 mm (1.3 in) across 13 days. Humidity remains relatively stable, with September at 80% and June at 79%. For more detailed weather information during June, you can visit Atuona weather in June.

In comparison, July and September exhibit similar warm temperatures, with July averaging 26°C (79°F) and September slightly cooler at 25°C (78°F). Both months feature minimum temperatures at 24°C (75°F) and maximums peaking at 27°C (80°F). However, September sees less rainfall, with 32 mm (1.3 in) over 13 days, compared to July's 40 mm (1.6 in) across 15 days. Humidity levels are slightly higher in September at 80%, compared to 78% in July. For more details on July weather, visit Atuona weather in July.

In comparing the weather of September and August, we see that both months share similar temperature ranges, with average temperatures hovering around 25°C (78°F), and maximums only slightly differing—27°C (80°F) in September and 27°C (81°F) in August. However, September experiences slightly less precipitation, totaling 32 mm (1.3 in) over 13 days, compared to August’s 37 mm (1.4 in) occurring over 15 days. Humidity levels also show a minimal difference, with September at 80% and August at 79%. For more details about August's weather, you can refer to Atuona weather in August.

In September, the weather features a minimum temperature of 24°C (75°F) and an average temperature of 25°C (78°F), with a maximum of 27°C (80°F). The month experiences 32 mm (1.3 in) of precipitation over 13 days, accompanied by a humidity level of 80%. In contrast, October sees a slightly lower minimum temperature of 23°C (74°F) and a marginally higher average temperature of 26°C (78°F), while the maximum remains consistent at 27°C (80°F). Precipitation stays the same at 32 mm (1.3 in) but occurs over one day less, totaling 12 days, with a slight increase in humidity to 81%. For more details about the weather in October, visit Atuona weather in October.

In comparing the weather between September and November, both months feature similar temperature ranges, with September having a minimum temperature of 24°C (75°F), an average of 25°C (78°F), and a maximum of 27°C (80°F). In November, temperatures remain quite stable, with a minimum of 24°C (75°F), an average of 26°C (79°F), and a slightly higher maximum of 27°C (81°F). While September sees total precipitation of 32 mm (1.3 in) over 13 days, November experiences a slight increase in rainfall, totaling 35 mm (1.4 in) over the same number of days. Humidity levels remain consistent, with September at 80% and November slightly lower at 79%. For more detailed insights on November weather, you can visit Atuona weather in November.

In September, the weather features slightly lower temperatures, with a minimum of 24°C (75°F) and an average of 25°C (78°F), while December sees a marginally higher average temperature of 26°C (79°F). Both months experience similar maximum temperatures, peaking at 27°C (81°F). Precipitation levels are almost identical, with September receiving 32 mm (1.3 in) over 13 rainy days and December slightly less at 31 mm (1.2 in) across 12 rainy days. Humidity levels remain consistent, with September at 80% and December just a notch lower at 79%. For more details on December weather, visit Atuona weather in December.

Compare Atuona's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Atuona

As September settles in Atuona, the weather offers a refreshing shift with warm temperatures averaging around 25°C (78°F). Compared to the preceding months, this time sees a slight increase in humidity, making the air feel vibrant yet inviting. With about 32 mm of precipitation spread over 13 days, the occasional rainfall contributes to the lush scenery, setting September apart from drier months. Whether you're exploring the stunning landscapes or enjoying the local culture, the mild temperatures and rejuvenating showers create an ideal atmosphere during this time of year. For more insights on the weather dynamics, check out Atuona Climate.