September Weather in Sale'aula, Samoa

Last updated: August 31, 2025

In September, Sale'aula, Samoa, experiences a warm tropical climate characterized by an average temperature of 25°C (77°F), with highs reaching 27°C (81°F) and lows dipping to 23°C (74°F). This month is marked by significant humidity levels at 83%, which, combined with 139 mm (5.5 in) of rainfall spread over 25 days, creates a lush, vibrant landscape. Visitors should prepare for the frequent showers, which are typical of this season, yet they contribute to the region's stunning natural beauty, making it a unique time to explore the enchanting surroundings of Sale'aula.

September Temperature in Sale'aula

In September, Sale'aula, Samoa, experiences a gentle transition in temperatures, maintaining a comfortable warmth that characterizes the region throughout the year. With minimums hovering around 23°C (74°F) and average temperatures settling at about 25°C (77°F), this month invites visitors to enjoy the island's natural beauty in balmy weather. The daytime highs reach an inviting 27°C (81°F), making it a pleasing time to explore beaches or partake in outdoor activities. As the month rolls into October, these temperatures remain consistent, showcasing the stable tropical climate that delights both locals and tourists alike. Overall, September's climate solidifies Sale'aula as an ideal destination for those seeking warmth and sunshine amid stunning surroundings.

September Weather in Sale'aula: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sale'aula, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sale'aula, 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).
JanFebMarAprMayJunJulAugSepOctNovDec787878797878777777777878
Data source: Temperature data for Sale'aula generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Sale'aula

In September, Sale'aula, Samoa experiences a notable shift in precipitation, with 139 mm (5.5 in) of rainfall spread across 25 days. This marks a slight increase compared to the drier months of August, which recorded only 132 mm (5.2 in). As the region transitions into the more humid stretch leading up to November, September's rainfall hints at the impending wet season while still allowing for a mix of clearer days. The established pattern shows that September acts as a bridge, where the lush landscapes begin to rejuvenate in anticipation of heavier rains later in the year, particularly as the monthly averages progressively climb towards November's peak of 265 mm (10.4 in).

September Precipitation Trends in Sale'aula

The chart displays monthly precipitation patterns in Sale'aula, 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 Sale'aula, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec361577193250216153220132139214265452
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Sale'aula

In September, Sale'aula, Samoa, experiences a slight dip in humidity at 83%, following the peak moisture levels of 84% recorded in August. This month marks a transition toward drier air as the region begins to move away from the highest humidity levels seen in the mid-year months. Interestingly, the gradual rise from 78% in the earlier months of the year to the summer peak reflects a consistent trend of increasing humidity that persists through the warmer months. As October approaches, the humidity is expected to decrease further to 82%, hinting at the onset of the seasonal shift. Overall, September stands as a bridge between the lush, humid peak of late winter and the slightly drier autumn months ahead.

September Average Humidity in Sale'aula

This chart illustrates the average monthly humidity levels in Sale'aula, 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 Sale'aula is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%78%78%78%79%80%81%84%84%82%79%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sale'aula

In September, Sale'aula, Samoa experiences a UV Index of 14, classified under the extreme exposure category, with a burn time of just 10 minutes. This marks a slight increase from the previous month, reflecting the persistent intensity of the sun as the region transitions from winter to spring. Notably, the UV levels have remained consistently high throughout the year, with January through March peaking at 16, and the index gradually tapering off only slightly in June and July. As September approaches, those enjoying the island’s beauty must remain vigilant and protect their skin from harmful rays. For more detailed information on the UV Index in Sale'aula and to stay safe in the sun, visit Sale'aula UV Index.

Maximum UV Index Levels in Sale'aula for September

The chart shows the monthly maximum UV Index (UVI) for Sale'aula 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 Sale'aula typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16161613119101214151515
Data source: Sale'aula 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 Sale'aula

September in Sale'aula, Samoa, shines brightly with 304 hours of sunshine, seamlessly continuing the warm trend of the previous months. This month is tied with March for the highest sunshine total, showcasing a delightful consistency in clear skies as summer approaches. As autumn draws near, sunlight levels remain vibrant, with September witnessing a remarkable peak following a gradual increase since June. The steady rise in sunlight hours throughout the year not only highlights Samoa's tropical allure but also sets the stage for October, which promises even more radiant days with 309 hours of sunshine. This resilient pattern of light invites visitors and locals alike to bask in the beauty of Sale'aula’s landscape, making it a true paradise during the sun-drenched September.

Monthly Sunshine Duration in Sale'aula: September Highlighted

The September sunshine duration represents the total number of hours Sale'aula 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.
JanFebMarAprMayJunJulAugSepOctNovDec229h211h304h273h278h270h278h296h304h309h296h285h
Data source: Sale'aula September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sale'aula During September

September in Sale'aula, Samoa, stands out as a beacon of sunny prospects, boasting a 66% chance of sunshine. This is a notable increase compared to the preceding months, where the likelihood of sunny days tends to oscillate significantly. July leads the way with a solid 55%, followed closely by August at 41%. As the year transitions into September, residents and visitors alike can anticipate a delightful shift towards brighter skies, marking it as one of the sunniest months of the year. Thus, if you’re planning a visit during this time, basking in the warm sun is almost a guarantee, setting the perfect backdrop for outdoor adventures and relaxation.

Percentage of Sunny Days in September in Sale'aula

The chart illustrates the percentage of sunny days in Sale'aula 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 Sale'aula experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec30%15%28%38%45%43%55%41%66%38%33%32%
Data source: Sale'aula September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sale'aula in September

In Sale'aula, Samoa, the rhythm of daylight length remains a captivating aspect of daily life. As the year unfolds, we observe a fascinating trend: daylight hovers around 12 hours during the first half of the year, providing a consistent glow in the brighter months of January to March. However, a gradual decrease is noted from April to August, where daylight dips to 11 hours, casting a softer light over the tropical landscape. Come September, the daylight extends once more to 12 hours, marking a return to brightness that heralds the approaching summer months of October through December. This cyclical pattern not only enhances the beauty of Sale’aula but also enriches the experiences of those who inhabit this enchanting region.

Average Daylight Hours in Sale'aula for September

The chart illustrates the variation in daylight duration in Sale'aula throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 48m12h 30m12h 8m11h 45m11h 28m11h 19m11h 24m11h 40m12h 1m12h 24m12h 43m12h 53m
Data source: Sale'aula daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Sale'aula

In September, Sale'aula, Samoa experiences a refreshing shift in its winds, with an average speed of 4.6 m/s (10 mph). This is a notable increase from the relatively calm conditions seen in the preceding months, reflecting the start of the breezier season as the region transitions from winter to spring. The wind speed in September follows a pattern of gradual enhancement, continuing from 4.2 m/s (9 mph) in August, and signifies a move away from the lighter currents common earlier in the year. This uptick not only brings a delightful crispness to the air but also hints at the invigorating energy of the coming months. Overall, the increasing wind speeds from late summer into early fall create an enchanting atmosphere that captivates both locals and visitors alike, as they revel in the beauty of Sale'aula's natural charm.

Average September Wind Speed in Sale'aula

The chart displays monthly wind speed patterns in Sale'aula, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.42.93.12.83.63.75.44.24.6 m/s4.53.53.4
Data source: Sale'aula September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Sale'aula Compares to Other Months

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

In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 27°C (81°F), with an average temperature of 25°C (77°F). The month experiences significant rainfall, with 139 mm (5.5 in) over 25 days and high humidity at 83%. In contrast, January sees slightly warmer temperatures, with a minimum of 23°C (73°F) and a maximum of 28°C (84°F), averaging 26°C (79°F). However, it also brings heavier rainfall, totaling 361 mm (14.2 in) over the same number of days, and lower humidity at 78%. For a more detailed look at January weather specifics, you can visit Sale'aula weather in January.

When comparing the weather in September and February, both months exhibit warm temperatures, with September showing a minimum of 23°C (74°F), an average of 25°C (77°F), and a maximum of 27°C (81°F). In contrast, February is slightly warmer, with a minimum of 23°C (75°F), an average of 26°C (78°F), and a maximum of 28°C (83°F). However, February experiences significantly more rainfall, with a staggering 577 mm (22.7 in) over 27 days, compared to September's 139 mm (5.5 in) over 25 days. Additionally, September has a higher humidity level at 83%, while February's humidity is somewhat lower at 78%. For more detailed information regarding February weather, you can visit Sale'aula weather in February.

When comparing the weather in September and March, both months exhibit warm temperatures, with September having a minimum of 23°C (74°F), averaging 25°C (77°F), and peaking at 27°C (81°F). In contrast, March shows slightly higher averages, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 28°C (83°F). Precipitation levels also differ, as September experiences 139 mm (5.5 in) over 25 days, while March sees increased rainfall at 193 mm (7.6 in) across 27 days. The humidity is relatively high in both months, but March has a slightly lower humidity at 78%, compared to September's 83%. For a more detailed look at the weather patterns in March, you can visit Sale'aula weather in March.

When comparing the weather in September and April, both months showcase warm temperatures, but April tends to be slightly hotter on average. In September, the temperatures range from a minimum of 23°C (74°F) to a maximum of 27°C (81°F), while April presents a slightly warmer range with a minimum of 24°C (75°F) and a maximum of 29°C (84°F).

However, April also experiences significantly more rainfall, with 250 mm (9.9 in) across 27 days compared to September's 139 mm (5.5 in) over 25 days. Additionally, the humidity levels are quite high in both months, with September at 83% and April at 78%. For those looking for detailed forecasts, you can check Sale'aula weather in April.

When comparing the weather in September and May, both months feature warm temperatures, but May tends to be slightly warmer overall. In September, average temperatures range from a minimum of 23°C (74°F) to a maximum of 27°C (81°F), while May sees temperatures from 24°C (75°F) to 28°C (83°F). Additionally, May is wetter, with 216 mm (8.5 in) of precipitation over 29 days compared to September's 139 mm (5.5 in) over 25 days. Despite the increased rainfall in May, humidity levels are slightly lower at 79% compared to September's 83%. For a more detailed look at May weather, check out Sale'aula weather in May.

In comparing the weather between September and June, both months exhibit similar minimum temperatures around 23°C (74°F) and average temperatures close to 25°C (77°F in September and 78°F in June). However, June tends to be slightly warmer at its maximum temperature, peaking at 28°C (82°F), compared to September's high of 27°C (81°F). Precipitation levels are comparable, with June receiving 153 mm (6.0 in) and September 139 mm (5.5 in), while both months experience rainfall on approximately 25 days. Humidity is relatively high in both months, with September at 83% and June slightly lower at 80%. For more specific details about June weather conditions, you can visit Sale'aula weather in June.

In comparing the weather of September and July, both months feature similar temperature ranges, with September showing a minimum of 23°C (74°F) and a maximum of 27°C (81°F), while July has a max of 28°C (82°F). The average temperature remains steady at 25°C (77°F) in both months. However, September experiences significantly less rainfall than July, with 139 mm (5.5 in) compared to July's 220 mm (8.7 in), making September a drier month overall. Additionally, September has slightly higher humidity at 83%, compared to July's 81%. For more detailed insights into the weather during this month, check out Sale'aula weather in July.

In comparing the weather for September and August, both months exhibit similar temperature patterns, with minimums around 23°C (74°F), averages of 25°C (77°F), and maximums peaking at 27°C (81°F). However, September sees slightly higher precipitation, totaling 139 mm (5.5 in) compared to August's 132 mm (5.2 in), and while both months experience rain on approximately 25 days, September's humidity is slightly lower at 83%, in contrast to August's 84%. For more detailed information, you can check Sale'aula weather in August.

In comparing the weather between September and October, it's evident that both months share similar temperatures, with minimums at 23°C (74°F), averages at 25°C (77°F), and maximums hovering around 27°C (81°F to 82°F). However, October tends to be wetter, receiving 214 mm (8.4 in) of precipitation over 28 days, compared to September's 139 mm (5.5 in) over 25 days. The humidity levels remain relatively consistent, slightly decreasing from 83% in September to 82% in October. For further details, you can check out Sale'aula weather in October.

In September, the weather typically features temperatures ranging from a minimum of 23°C (74°F) to a maximum of 27°C (81°F), with an average of 25°C (77°F). This month experiences significant rainfall, totaling 139 mm (5.5 in) over 25 days and maintaining a high humidity level of 83%. In contrast, November sees a slight increase in the maximum temperature, reaching 28°C (83°F), while the minimum remains stable at 23°C (74°F). However, November is marked by heavier rainfall, accumulating 265 mm (10.4 in) over 28 days, and humidity slightly decreases to 79%. For more detailed information, you can visit Sale'aula weather in November.

In comparing the weather of September and December, both months enjoy similar average temperatures, hovering around 25°C (77°F). However, December experiences slightly higher maximum temperatures of 28°C (83°F) compared to September's high of 27°C (81°F). Notably, December sees a significant increase in precipitation, accumulating 452 mm (17.8 in) over 30 days, in contrast to September's 139 mm (5.5 in) over 25 days. Humidity levels are slightly lower in December at 79%, as opposed to September's 83%. For a deeper look into December conditions, you can refer to Sale'aula weather in December.

Compare Sale'aula's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Sale'aula

As September unfolds in Sale'aula, the weather presents a unique blend of warmth and humidity that sets it apart from other months. With temperatures hovering around a comfortable average of 25°C (77°F), the days are pleasantly mild, although the increase in precipitation—with 139 mm spread over 25 days—brings a refreshing rhythm to the landscape. This month tends to be more humid than its predecessors, making the vibrant surroundings feel lush and alive. For those yearning to explore the beauty of Samoa, September’s lush ambiance and temperate climate offer an inviting backdrop, perfect for adventure and relaxation. For a deeper look into the climate patterns of this enchanting region, check out Sale'aula Climate.