Last updated: August 31, 2025
September in Koror Town, Palau offers a tropical experience characterized by a warm climate and significant rainfall. With maximum temperatures reaching 30°C (85°F) and an average of 28°C (82°F), the days are comfortably hot, while evenings cool down to a pleasant 25°C (78°F). However, this month is notably marked by abundant precipitation, totaling 284 mm (11.2 inches) over 25 days, contributing to the vibrant, lush landscape. The humidity levels hover around 79%, ensuring a quintessentially tropical ambiance. Visitors can expect a blend of warmth and rain, perfect for those who appreciate the natural beauty and rich biodiversity of Palau.
September in Koror Town, Palau, showcases a delightful temperature range that reflects the tropical essence of the region. With minimum temperatures steady around 25°C (78°F) and an inviting average of 28°C (82°F), this month starts to warm slightly, peaking with daytime highs reaching 30°C (86°F). This slight increase from the previous months suggests a gradual transition to more intense warmth, offering a perfect backdrop for outdoor exploration and beach activities. As the humidity lingers, visitors can expect balmy and pleasant weather, making September an ideal time to experience the pristine nature and vibrant culture that Palau has to offer.
September in Koror Town, Palau, typically experiences considerable rainfall, with an average of 284 mm (11.2 in) falling over 25 days. This marks a slight decrease in precipitation compared to the heavy downpours of May and July, yet it maintains a significant presence within the overall rainy season. Following the wetter months of August, the rainfall in September suggests a gradual transition, as the island begins to approach the slightly drier months of October and November, both averaging around 278 mm of rain. Despite this slight dip, September's precipitation continues to play a crucial role in sustaining the lush landscape of Palau, showcasing the island's tropical charm.
In September, Koror Town experiences a slight uptick in humidity at 79%, which marks a transition as the region moves from the relatively dry summer months. This month’s humidity reflects a gentle resurgence compared to the consistent 77% recorded in July and June, creating a more tropical atmosphere as the year progresses toward its wetter season. Overall, the humidity levels in Koror Town remain relatively stable throughout the year, fluctuating only slightly between 77% and 82%. This consistent humidity fosters the lush greenery that Palau is famed for, making the island a paradise for nature lovers, even as the weather subtly shifts with the changing seasons.
In September, Koror Town, Palau, continues to experience extreme UV conditions with a UV Index of 15, matching the intensity seen in August. This pattern signifies a consistent exposure risk that stretches throughout the year, with burn times remaining critically short at just 10 minutes. The slight fluctuation in indices—from a high of 16 in March and April to a low of 12 in December—highlights the tropical climate's persistent sun exposure. As you soak in the beautiful surroundings, it's essential to stay vigilant and protect your skin. For more details on UV safety in the area, visit Koror Town UV Index.
UV Risk Categories
In September, Koror Town enjoys a delightful blend of warmth and light, with 278 hours of sunshine brightening its picturesque landscapes. This month is emblematic of a gradual transition from the peak sunny days of May and August, which each boast over 290 hours. Although September's sunlight dips slightly below those summer highs, it maintains a consistent glow that reflects the overall trend of the year. The sunny patterns lead into October and November, which show a steady decrease but still hover around the 270-hour mark. Overall, September stands as a beautiful reminder of summer's lingering embrace, setting the stage for the upcoming seasonal changes in this tropical paradise.
In September, Koror Town, Palau, offers a modest 15% chance of sunny weather, reflecting a notable dip compared to the months leading up to it. This trend follows a gradual increase from January's low of 15% to the peak of 35% in April, before declining again. Interestingly, September's sunny prospects align closely with the conditions seen earlier in the year, particularly in May and July, suggesting a tendency for overcast skies as the year advances. With its coastal beauty, even a mix of sun and clouds can provide a picturesque backdrop for the vibrant scenery of Palau, making September a month of mild expectations for sunshine.
As September rolls into Koror Town, Palau, residents and visitors can bask in 12 hours of daylight, continuing a trend established since March. After the consistent stretch of 12-hour days throughout the warmer months of April to August, September marks a steady transition into shorter days as the year progresses towards October. This enduring beam of sunlight not only enhances the beauty of Koror's stunning landscapes but also invites outdoor adventures, fostering a vibrant atmosphere and allowing for ample time to explore the island's natural wonders. As the daylight gradually decreases in the coming months, the lingering warmth of September encourages a final embrace of summer's light.
As September approaches in Koror Town, Palau, the gentle whispers of the wind begin to stir. With an average wind speed of 3.7 m/s (8 mph), this month marks a slight uptick from the more subdued breezes of August. While summer's calming winds start to ebb, the transition into autumn brings a refreshing touch to the air, suggesting a shift from the calmer patterns of mid-year. Comparatively, the wind speeds are at their lowest during the summer months of June and August, only to rise again as the year winds down toward December, which boasts a robust average of 6.2 m/s (14 mph). This subtle dance of wind speed reflects the dynamic climate of the region, promising invigorating days ahead for residents and visitors alike.
Weather in Koror Town varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Koror Town, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is characterized by warmer temperatures, with minimums averaging around 25°C (78°F) and highs reaching 30°C (85°F). This month sees significant rainfall, totaling 284 mm (11.2 in) over approximately 25 days, resulting in high humidity levels at 79%. In contrast, January offers slightly cooler conditions, with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 29°C (84°F), and lower precipitation of 235 mm (9.2 in) spread over 21 days. The humidity remains comparable at 81%, providing a relatively moist environment. For more detailed insights into the January climate, check out Koror Town weather in January.
September and February both feature warm temperatures, with September seeing a minimum of 25°C (78°F) and an average of 28°C (82°F), while February also has a minimum of 25°C (77°F) and a slightly lower average of 27°C (81°F). The maximum temperatures are quite similar, with September reaching up to 30°C (85°F) and February peaking at 29°C (85°F). However, February tends to be wetter, receiving 337 mm (13.3 in) of precipitation over 22 days compared to September's 284 mm (11.2 in) over 25 days. Humidity levels are also high in both months, with February being marginally more humid at 82% compared to September's 79%. For more detailed weather information, you can check Koror Town weather in February.
In September, the weather in Koror Town tends to be quite warm, with average temperatures ranging from a minimum of 25°C (78°F) to a maximum of 30°C (85°F). The month is also characterized by significant rainfall, receiving about 284 mm (11.2 in) over 25 days, and humidity levels hovering around 79%.
In contrast, March offers slightly cooler temperatures, with averages of 25°C (77°F) at night and 29°C (85°F) during the day. Rainfall decreases to 188 mm (7.4 in) spread across 21 days, while humidity sees a slight increase to 82%. Overall, March is marginally less humid and rainy than September, making it a more pleasant month for outdoor activities. For more details, check out Koror Town weather in March.
In September, the weather is characterized by slightly warmer temperatures, with an average of 28°C (82°F) and maximums reaching up to 30°C (85°F). However, this month also experiences higher precipitation levels, averaging 284 mm (11.2 in) over 25 days, contributing to a humidity level of 79%. In contrast, April features slightly cooler temperatures, with an average of 27°C (82°F) and maximums of 29°C (85°F), but it sees less rainfall, totaling 225 mm (8.8 in) over 23 days, and a marginally higher humidity at 80%. For a closer look at the weather specifics, you can refer to Koror Town weather in April.
In comparing the weather between September and May, both months display similar average temperatures, hovering around 28°C (82°F), with September having a minimum temperature of 25°C (78°F) and May slightly higher at 26°C (78°F). However, September experiences a modestly lower maximum temperature of 30°C (85°F) compared to May's peak of 29°C (85°F). Precipitation levels in May are notably higher, totaling 389 mm (15.3 in) over 26 days, compared to September's 284 mm (11.2 in) across 25 days. Humidity levels are fairly consistent, with September at 79% and May slightly lower at 78%. For a deeper insight into May’s weather specifics, you can check out Koror Town weather in May.
In comparing the weather between September and June, we see that both months have similar temperature ranges, with September enjoying slightly higher average temperatures—28°C (82°F) compared to June's 27°C (82°F). However, September experiences more precipitation, totaling 284 mm (11.2 in) over 25 days, while June sees a slight increase in rainfall at 302 mm (11.9 in) across 28 days. Additionally, humidity levels remain relatively constant, with September at 79% and June at 77%. To learn more about the specific conditions in June, you can visit Koror Town weather in June.
In September, temperatures remain warm, with a minimum of 25°C (78°F), an average of 28°C (82°F), and a maximum of 30°C (85°F). The month experiences significant rainfall, totaling 284 mm (11.2 in) over 25 days, coupled with high humidity at 79%. In contrast, July sees slightly cooler conditions, with a minimum of 25°C (78°F), an average of 27°C (81°F), and a maximum of 29°C (85°F). However, it is also wetter, receiving 365 mm (14.4 in) of precipitation across 28 days, while maintaining a slightly lower humidity level at 77%. For more details, check out Koror Town weather in July.
In comparing the weather of September and August, both months exhibit warm temperatures, with September showing a slight increase in average temperature, rising to 28°C (82°F) compared to August's 27°C (81°F). The maximum temperatures are similar, peaking at 30°C (85°F) in September and 29°C (85°F) in August. However, September experiences increased precipitation, with a total of 284 mm (11.2 in) over 25 days, compared to August's 299 mm (11.8 in) over 27 days. Humidity levels remain quite similar, with September at 79% and August at 78%. For a detailed look at August weather specifics, check Koror Town weather in August.
In comparing the weather between September and October, we find that both months share similar temperature patterns, with a minimum of 25-26°C (78°F), an average of 28°C (82°F), and a maximum reaching 30°C (85-86°F). However, October experiences slightly less precipitation at 278 mm (11.0 in) compared to September's 284 mm (11.2 in), although both months have rain on approximately 25 days. Additionally, October sees a small decrease in humidity, dropping from 79% in September to 77%. For more specific details on October weather, you can check Koror Town weather in October.
In September, the weather is characterized by slightly warmer temperatures with a minimum of 25°C (78°F) and a maximum of 30°C (85°F), while November sees a minimum of 26°C (79°F) and a maximum of 29°C (85°F). Both months have similar average temperatures of 28°C (82°F), but September experiences more rainfall, with 284 mm (11.2 in) across 25 days compared to November's 278 mm (10.9 in) over 26 days. Additionally, humidity levels are marginally higher in September at 79%, compared to 77% in November. For more detailed information, check out Koror Town weather in November.
In September, the weather is characterized by warm temperatures, with a minimum of 25°C (78°F) and an average of 28°C (82°F). The month sees significant rainfall, totaling 284 mm (11.2 in) over 25 days, and humidity levels are relatively high at 79%. In contrast, December remains similarly warm, with temperatures varying from a minimum of 26°C (78°F) to an average of 28°C (82°F), and a maximum of 29°C (85°F). However, December experiences slightly increased precipitation, with 309 mm (12.2 in) spread across 28 days, while humidity levels drop slightly to 78%. For a more detailed look at weather conditions in December, you can check Koror Town weather in December.
As summer transitions to fall, September in Koror Town brings a notable increase in rainfall, with precipitation occurring on nearly every day of the month. The combination of high humidity and warm temperatures creates a sultry atmosphere that sets September apart from the drier, cooler months that precede and follow it. While the daytime heat remains inviting, the increased moisture can lead to a more tropical ambiance, perfect for those who enjoy lush, green landscapes. If you're planning a visit or curious about the climate, check out the full details at Koror Town Climate.