September Weather in Bourail, New Caledonia

Last updated: August 31, 2025

In September, Bourail, New Caledonia experiences warm, sunny days with a maximum temperature reaching up to 31°C (88°F), making it an inviting destination for outdoor activities. The average temperature settles at a comfortable 20°C (68°F), while the nights bring cooler air with a minimum of 10°C (51°F). Although the month sees an average precipitation amount of 27 mm (1.1 in) over just 4 rainy days, the humidity levels linger at 71%, contributing to a pleasantly tropical atmosphere. Enjoy the blend of relaxation and adventure that this stunning location offers during a vibrant September!

September Temperature in Bourail

In September, Bourail, New Caledonia, experiences a delightful transition into warmer days, with temperatures reflecting the region's tropical charm. The minimum temperatures hover around a pleasant 10°C (51°F), while the average rises to a comfortable 20°C (68°F), making it ideal for outdoor activities. As the month progresses, daytime highs reach up to 31°C (88°F), providing ample sunshine for beach enthusiasts. September marks a subtle warm-up compared to the cooler winter months of July and August, signaling the approach of spring and encouraging both locals and visitors to embrace the vibrant scenery and cultural experiences that Bourail has to offer.

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

The chart illustrates September temperature patterns in Bourail, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bourail, 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).
JanFebMarAprMayJunJulAugSepOctNovDec777877747067666668727476
Data source: Temperature data for Bourail 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 Bourail

September in Bourail, New Caledonia, marks a significant shift in weather patterns, as the region typically experiences a noticeable decline in precipitation. With only 27 mm (1.1 in) of rainfall spread over just 4 days, this month stands out for its relatively dry conditions compared to the heavier rains of the previous months. This trend continues the pattern observed from the mid-year months, where a gradual decrease in rainfall can be seen, culminating in September’s notably low figures. As the dry season advances, residents can enjoy clearer skies and more outdoor activities, setting the stage for the returning rainfall in October, when the totals rise again to 98 mm (3.8 in).

September Precipitation Trends in Bourail

The chart displays monthly precipitation patterns in Bourail, 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 Bourail, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec16417913818477314053279858168
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bourail

As the warmth of September envelops Bourail, New Caledonia, humidity levels settle at a comfortable 71%. This mild measure reflects a slight dip following the summer months, where humidity peaked in the early part of the year at 81% in February. The transition into spring brings a gradual decrease from the high humidity levels seen in the preceding months, notably from 74% in June to 72% in August, before culminating in September's gentle embrace. As we move toward the end of the year, humidity starts to rise again, hinting at the upcoming wetter months of November and December. This pattern clearly illustrates the region's seasonal rhythm, where humidity balances between warmth and comfort.

September Average Humidity in Bourail

This chart illustrates the average monthly humidity levels in Bourail, 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 Bourail is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%81%81%82%79%74%70%72%71%72%76%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bourail

In September, Bourail experiences a UV Index of 12, placing it in the extreme exposure category, with a rapid burn time of just 10 minutes. This marks a slight elevation from the mid-year UV levels, which peaked at 10 in August before dipping to 9 in May. The UV Index remains consistently high from January through April, fluctuating between 12 and 16 during the peak summer months. As the year transitions towards more temperate conditions, it's essential to stay vigilant about sun protection, especially in September. For more detailed insights on UV exposure in this stunning locale, visit Bourail UV Index.

Maximum UV Index Levels in Bourail for September

The chart shows the monthly maximum UV Index (UVI) for Bourail 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 Bourail typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161615129781012131516
Data source: Bourail 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 Bourail

September in Bourail, New Caledonia, dazzles with 288 hours of sunshine, positioning it as a prime time to revel in the region's natural beauty. This month showcases a delightful transition from the winter chill of July and June, both marked by fewer sunshine hours, towards the radiant warmth of spring. The upward trend continues into October, where sunlight peaks at 315 hours, making the tail end of the year increasingly bright. With September's generous sunshine offering perfect conditions for outdoor adventures, it becomes a splendid precursor to the sun-soaked days that follow, inviting visitors to bask in the vibrant landscapes of this enchanting destination.

Monthly Sunshine Duration in Bourail: September Highlighted

The September sunshine duration represents the total number of hours Bourail 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.
JanFebMarAprMayJunJulAugSepOctNovDec257h289h295h267h257h236h263h274h288h315h319h320h
Data source: Bourail September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bourail During September

As September rolls into Bourail, New Caledonia, the likelihood of sunny weather reaches a promising 50%, mirroring the peak sunshine levels of August. This marks a notable shift from the less bright months earlier in the year, where chances hovered below 40%. The summer months leading up to September show a clear upward trend in sun exposure, establishing a perfect backdrop for outdoor activities. As the year starts to transition into spring, visitors can anticipate an equal balance of sun and clouds, making it an ideal time to enjoy the stunning coastal landscapes and vibrant marine life that Bourail has to offer.

Percentage of Sunny Days in September in Bourail

The chart illustrates the percentage of sunny days in Bourail 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 Bourail experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec10%36%32%22%39%43%46%50%50%48%32%30%
Data source: Bourail September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bourail in September

As September rolls into Bourail, New Caledonia, daylight begins to stabilize at 11 hours, mirroring the trend established in August. Following a gradual decline from 13 hours in January to 10 hours in June and July, the length of daylight starts to creep back up, suggesting a delightful transition towards the warmer months ahead. This cyclical pattern hints at the region's vibrant climate, with daylight duration picking up again as the year progresses into October, which offers an increase to 12 hours. As we witness this rhythmic ebb and flow of sunlight, September serves as a gentle reminder of the approaching Australian spring, where greater daylight extends opportunities for outdoor adventures and exploration.

Average Daylight Hours in Bourail for September

The chart illustrates the variation in daylight duration in Bourail throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 16m12h 47m12h 11m11h 34m11h 4m10h 49m10h 56m11h 22m11h 57m12h 34m13h 7m13h 24m
Data source: Bourail daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Bourail

In September, Bourail, New Caledonia experiences a notable increase in average wind speed, reaching 2.8 m/s (6 mph), the highest of the year. This uptick signals a shift in the season, as winds gradually strengthen from the more subdued currents of earlier months. Following a gentle summer breeze in January through August, where speeds hovered around 2.1 to 2.5 m/s, September brings a refreshing and invigorating atmosphere. As the region transitions into the latter part of the year, this slight surge in wind speed can invigorate activities, making it an ideal time for outdoor adventures and exploration in this picturesque locale.

Average September Wind Speed in Bourail

The chart displays monthly wind speed patterns in Bourail, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.11.92.12.42.52.22.42.52.8 m/s2.01.92.0
Data source: Bourail September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Bourail Compares to Other Months

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

In September, the weather is generally mild with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 31°C (88°F), and an average of 20°C (68°F). The month sees relatively low precipitation at 27 mm (1.1 in) over just 4 days, coupled with a humidity level of 71%. In contrast, January experiences warmer temperatures, with a minimum of 17°C (63°F) and a maximum of 34°C (94°F), averaging 25°C (78°F). However, January also brings significantly higher rainfall, amounting to 164 mm (6.5 in) spread over 14 days, and humidity rises to 80%. For more specifics on January weather, visit Bourail weather in January.

September and February present contrasting weather conditions. In September, temperatures range from a minimum of 10°C (51°F) to a maximum of 31°C (88°F), with an average of 20°C (68°F). The month sees relatively low precipitation, totaling 27 mm (1.1 in) over four days, and the humidity hovers around 71%. In contrast, February experiences warmer conditions with temperatures fluctuating between 17°C (63°F) and 35°C (95°F), averaging 25°C (78°F). This month is much wetter, receiving a significant 179 mm (7.0 in) of rainfall over 20 days, and the humidity rises to 81%. For more detailed insights into February's weather, visit Bourail weather in February.

When comparing the weather in September and March, notable differences in temperature and precipitation emerge. September typically has a milder climate with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 31°C (88°F), averaging around 20°C (68°F). This month sees relatively low precipitation at 27 mm (1.1 in) over just 4 days, and humidity levels are at 71%.

In contrast, March experiences warmer weather, with temperatures that range from a minimum of 17°C (63°F) to a maximum of 33°C (91°F) and an average of 25°C (77°F). However, March is also much wetter, receiving a significant 138 mm (5.4 in) of rain over 19 days, and the humidity rises slightly to 80%. For more details on March weather, you can check this link: Bourail weather in March.

When comparing the weather in September and April, it’s evident that April experiences warmer temperatures overall, with average highs reaching 33°C (91°F) compared to September's maximum of 31°C (88°F). September tends to be drier with only 27 mm (1.1 in) of precipitation over just four days, while April is notably wetter, receiving 184 mm (7.3 in) across 17 days. Additionally, April has higher humidity levels at 82% compared to September's 71%. For a detailed look at April's weather specifics, check out Bourail weather in April.

In comparing the weather between September and May, we find distinct differences in temperature and precipitation patterns. September experiences a wider range of temperatures, with minima around 10°C (51°F) and maxima reaching up to 31°C (88°F), whereas May has generally milder temperatures, ranging from a minimum of 13°C (55°F) to a maximum of 29°C (85°F). Additionally, September tends to be drier with only 27 mm (1.1 in) of precipitation over about 4 days, while May sees significantly more rainfall, totaling 77 mm (3.0 in) across 12 days. Humidity levels are also slightly higher in May at 79% compared to September's 71%. For a detailed look at what to expect, you can check Bourail weather in May.

In September, the weather tends to be slightly warmer with average temperatures reaching 20°C (68°F) and a maximum of 31°C (88°F), compared to June, which has an average of 19°C (67°F) and a maximum of 29°C (84°F). However, June experiences a higher level of precipitation, totaling 31 mm (1.2 in) over about 7 days, while September only sees 27 mm (1.1 in) across 4 days. Additionally, humidity levels remain relatively close, with September at 71% and June slightly higher at 74%. For more specific weather details, you can check Bourail weather in June.

In comparing the weather of September and July, September experiences a wider temperature range with a minimum of 10°C (51°F), an average of 20°C (68°F), and a maximum of 31°C (88°F). In contrast, July maintains a more moderate temperature spectrum, with a minimum of 10°C (51°F), an average of 19°C (66°F), and a maximum of 27°C (81°F). Additionally, September sees less precipitation at 27 mm (1.1 in) over 4 days, while July receives more rain with 40 mm (1.6 in) across 5 days. Both months have similar humidity levels, around 71% in September and 69% in July. For more detailed information, you can check the Bourail weather in July.

In comparing the weather patterns of September and August, September typically features slightly warmer temperatures, with average highs reaching 31°C (88°F) compared to August's maximum of 30°C (86°F). Both months share the same minimum temperature of 10°C (51°F), yet September boasts a marginally higher average temperature of 20°C (68°F) versus August's 19°C (66°F). While August receives more precipitation at 53 mm (2.1 in) over 5 days, September sees a significant decrease, with only 27 mm (1.1 in) over 4 days. Humidity levels remain relatively steady between the two months, with September at 71% and August at 72%. For more details on August weather, you can check Bourail weather in August.

In comparing the weather between September and October, October tends to be slightly warmer, with average temperatures rising from 20°C (68°F) in September to 22°C (72°F) in October. Notably, the maximum temperature can reach up to 33°C (91°F) in October, compared to a maximum of 31°C (88°F) in September. However, October experiences significantly more rainfall, with 98 mm (3.8 in) over 8 days, while September sees only 27 mm (1.1 in) across 4 days. Humidity remains fairly consistent, slightly increasing from 71% in September to 72% in October. For more detailed information, you can check Bourail weather in October.

In comparing the weather of September and November, we see a notable shift in temperature and precipitation patterns. September experiences a minimum temperature of 10°C (51°F) with an average of 20°C (68°F), peaking at 31°C (88°F). In contrast, November starts off warmer, with a minimum of 14°C (57°F) and an average of 23°C (74°F), reaching a maximum of 32°C (91°F). Additionally, November sees increased precipitation, measuring 58 mm (2.3 in) over 10 days compared to just 27 mm (1.1 in) spread over 4 days in September. The humidity also rises slightly from 71% in September to 76% in November, contributing to a more humid feel during the late spring month. For more detailed information, check out Bourail weather in November.

In September, the weather in Bourail is characterized by milder temperatures ranging from a minimum of 10°C (51°F) to a maximum of 31°C (88°F), with an average of 20°C (68°F). Precipitation is relatively low, with only 27 mm (1.1 in) over four days and humidity at 71%. In contrast, December brings warmer conditions, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 33°C (91°F) and an average temperature of 25°C (77°F). However, it also sees a significant increase in rainfall, totaling 168 mm (6.6 in) over 19 days, alongside slightly higher humidity at 76%. For more details, check out Bourail weather in December.

Compare Bourail's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Bourail

As the warmth of September settles over Bourail, the weather begins a delightful transition that sets it apart from the cooler months. With average temperatures reaching 20°C (68°F) and maximums soaring to a pleasant 31°C (88°F), it's a prime time to enjoy the outdoors. The humidity at 71% adds a tropical touch, while the 27 mm of rainfall spread across just 4 days keeps the landscape lush without overwhelming your plans. This blend of warmth and mild precipitation creates ideal conditions for both relaxation and adventure. For a deeper dive into the climate trends throughout the year, visit Bourail Climate.