Last updated: August 21, 2025
September in Pelabuhanratu, Indonesia showcases a tropical climate characterized by warm temperatures and notable humidity. Daily highs average around 30°C (87°F), with a comfortable average temperature of 25°C (76°F) and a minimum dipping to 20°C (68°F) during the nights. Rainfall is significant, totaling 125 mm (4.9 in) over 13 days, contributing to a humidity level of 77%, which enhances the lush, vibrant surroundings typical of this region. This month presents a vivid tapestry of sunshine interspersed with refreshing showers, ideal for experiencing the natural beauty and cultural richness of Pelabuhanratu.
In September, Pelabuhanratu, Indonesia, experiences a delightful early shift in temperatures, with minimums hovering around 20°C (68°F). The average temperature stays comfortably at 25°C (76°F), making it a pleasant month for outdoor activities. While the maximum temperature nudges slightly up to 30°C (87°F), it remains consistent with the patterns observed throughout the year, characterized by warm days and mild nights. This month's gentle transition hints at the upcoming warmth of October, encouraging travelers to enjoy the last days of dry season adventures. Overall, September offers an inviting atmosphere, perfect for soaking up the region's natural beauty.
September in Pelabuhanratu ushers in a moderate increase in precipitation, with 125 mm (4.9 in) of rain falling over 13 days. This marks a noticeable shift from the drier months of July and August, which recorded only 53 mm (2.1 in) and 42 mm (1.7 in) respectively. As the region transitions into the more humid months of October and November, rainfall begins to pick up, heralding the arrival of the wet season. The rise in precipitation this month serves as a precursor to the heavier downpours that follow, emphasizing the seasonal patterns that characterize this beautiful coastal area.
September in Pelabuhanratu, Indonesia, marks a continuation of the region's relatively moderate humidity, as levels hold steady at 77%. This figure aligns closely with August's humidity, suggesting a gradual decline through the latter part of the dry season. Notably, from January to June, humidity rates hovered above 80%, creating a distinctly tropical atmosphere. However, as the year progresses into late summer and early autumn, a subtle shift becomes evident, reflecting a trend towards slightly drier conditions. This transition in humidity not only offers a more comfortable climate but also highlights the changing dynamics of the region's weather patterns as it moves towards October's slight uptick to 78%. Overall, September exemplifies the blend of warmth and refreshing breeziness typical of Pelabuhanratu's coastal charm.
As September rolls into Pelabuhanratu, Indonesia, the UV Index reaches 14, maintaining the extreme exposure category that has characterized much of the year. This aligns with the high UV levels seen from January through March—where the Index peaked at 16—suggesting that sun safety remains paramount for residents and visitors alike. Interestingly, following a slight dip in the summer months, September's Index is a reminder that the sun's intensity is still formidable, with a burn time of just 10 minutes. As October approaches, the UV Index is anticipated to rise again, casting a spotlight on the need for effective sun protection strategies year-round. For more insights on UV levels in this vibrant coastal region, visit Pelabuhanratu UV Index.
UV Risk Categories
In September, Pelabuhanratu basks in an impressive 305 hours of sunshine, continuing its trend of abundant daylight. This month reflects a slight decrease from the record-high sunshine seen in August, which boasted 321 hours. Yet, September remains one of the sunniest months of the year, following a summer replete with ample sunlight. As the days begin to shorten with the approach of autumn, the warm glow of the tropics still invites visitors to enjoy the beauty of Indonesia’s coastline. Overall, the data paints a vivid picture of a region that thrives under the sun, with a gradual transition into the cooler months ahead.
In Pelabuhanratu, the likelihood of sunny weather in September stands at 25%, marking a noticeable decline from the peak of 44% in July. Observing the gradual shift through the year, we see a dramatic increase in sunny days from the earlier months, with January offering a mere 3% chance and April starting to bloom at 29%. This upward trend continues until reaching July, after which the probability begins to gently taper off again, settling at 35% in August before dipping to September’s average. As fall approaches, Pelabuhanratu balances its sunny expectations, making September a somewhat uncertain yet hopeful month for beachgoers.
In Pelabuhanratu, Indonesia, September marks a notable return to 12 hours of daylight, aligning with the consistent pattern seen in the early months of the year. Following several months of slightly reduced daylight, from April through August, the skies brighten again, bringing a perfect balance of light and darkness that invigorates both nature and daily life. This seasonal rhythm continues into October and November, ensuring that residents and visitors enjoy ample sunshine before transitioning to the drier season. Overall, the daylight duration showcases a beautiful tropical consistency, where long days are the norm, enhancing the attraction of Pelabuhanratu as a vibrant and warm getaway.
September marks a delightful transition in Pelabuhanratu, Indonesia, as the average wind speed reaches 2.7 m/s (6 mph), maintaining the invigorating breezes of August. This gentle increase reflects a consistent trend of slightly stronger winds as the year progresses into the latter months. While the earlier part of the year experienced more subdued gusts, particularly in June and May, the summer months saw a rise, culminating in September's refreshing currents. As the inviting ocean air sweeps through the coastal region, it not only revitalizes the atmosphere but also enhances the charm of Pelabuhanratu, making it an ideal time for beachgoers and nature lovers alike to bask in the blend of warmth and wind.
Weather in Pelabuhanratu varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Pelabuhanratu, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January exhibit relatively similar average temperatures, with both months hovering around 25°C (76°F). However, September tends to be slightly warmer, showing a maximum temperature of 30°C (87°F) compared to January's peak of 30°C (86°F). In terms of precipitation, January is notably wetter, receiving 369 mm (14.5 in) over 24 days, while September experiences 125 mm (4.9 in) across 13 days. The humidity also increases in January, reaching 84%, compared to September's 77%. For more details on January weather, you can check Pelabuhanratu weather in January.
In comparing the weather between September and February, both months feature similar average temperatures, with September showing a minimum of 20°C (68°F) and February a slightly higher minimum of 22°C (71°F). However, February experiences significantly more rainfall, totaling 334 mm (13.1 in) over 27 days compared to September's 125 mm (4.9 in) across 13 days. Additionally, February has higher humidity levels at 86%, while September's humidity is at 77%. Therefore, while both months may have the same average temperature, February tends to be wetter and more humid. For a detailed look at the weather conditions in February, you can visit Pelabuhanratu weather in February.
In September, the weather typically features a slightly warmer average temperature of 25°C (76°F), with minimums around 20°C (68°F) and maximums reaching up to 30°C (87°F). However, this month experiences relatively lower precipitation, totaling 125 mm (4.9 in) over 13 days and a humidity level of 77%. In contrast, March presents a similar temperature range, with minimums of 21°C (70°F) and maximums capping at 30°C (86°F). Yet, it is significantly wetter, receiving 315 mm (12.4 in) of rain spread over 28 days, contributing to a higher humidity of 84%. For more detailed information about the weather in March, you can visit Pelabuhanratu weather in March.
In comparing the weather of September and April, both months share similar average temperatures, with September ranging from a minimum of 20°C (68°F) to a maximum of 30°C (87°F), while April slightly elevates its minimum to 22°C (72°F). However, April experiences significantly higher rainfall, with a total precipitation of 328 mm (12.9 in) distributed over 28 days, compared to September's 125 mm (4.9 in) over just 13 days. This results in April having a slightly higher humidity level at 81%, compared to September's 77%. Overall, while both months maintain warm temperatures, April is characterized by its increased precipitation and humidity levels. For more specific details on April's weather, check out Pelabuhanratu weather in April.
When comparing the weather in September and May, both months exhibit warm temperatures, with averages around 25°C (77°F) in September and slightly warmer at 26°C (78°F) in May. However, May tends to have a higher minimum temperature of 22°C (72°F) compared to September's 20°C (68°F). Precipitation levels are significantly higher in May, with 202 mm (7.9 in) of rain over 21 days, compared to September's 125 mm (4.9 in) over 13 days. Additionally, humidity levels are slightly elevated in May at 80%, compared to 77% in September. For more detailed insights into May's weather, you can visit Pelabuhanratu weather in May.
When comparing the weather in September and June, both months feature similar average temperatures, hovering around 25°C (77°F), with maximums reaching 30°C (86°F) to 30°C (87°F). However, September experiences slightly lower minimum temperatures, averaging 20°C (68°F), while June starts at a minimum of 21°C (70°F). In terms of precipitation, June is wetter, with 143 mm (5.6 in) of rain over 18 days compared to September's 125 mm (4.9 in) over 13 days. Additionally, humidity levels are slightly higher in June at 80% compared to September's 77%. For more detailed insights into the weather during this time, you can check Pelabuhanratu weather in June.
In comparing the weather of September and July, September tends to be slightly warmer with a minimum temperature of 20°C (68°F) compared to July’s 19°C (67°F). Both months have an average temperature of 25°C (76°F) and a maximum of 30°C (86°F in July, 87°F in September). However, September experiences significantly more rainfall, with 125 mm (4.9 in) over 13 days, while July sees only 53 mm (2.1 in) across 8 days. Additionally, humidity levels are slightly higher in July at 79%, compared to 77% in September. For more detailed insights into July weather, you can refer to Pelabuhanratu weather in July.
In comparing the weather between September and August, September experiences slightly warmer temperatures, with a minimum of 20°C (68°F) and an average of 25°C (76°F), while August has a minimum of 19°C (66°F) and an average of 24°C (76°F). Both months share a maximum temperature of 30°C (86°F in August and 87°F in September). However, September sees significantly more precipitation, totaling 125 mm (4.9 in) over 13 days, compared to August's 42 mm (1.7 in) over just 8 days. Interestingly, humidity remains consistent in both months at 77%. For more detailed insights on the conditions during August, check out Pelabuhanratu weather in August.
September and October share similar minimum and average temperatures, with September recording a minimum of 20°C (68°F) and an average of 25°C (76°F), while October maintains the same minimum and a slightly higher average of 25°C (77°F). However, October experiences a rise in maximum temperatures, reaching 31°C (88°F), compared to September's 30°C (87°F). Notably, October is significantly wetter, with precipitation increasing to 228 mm (9.0 in) over 21 days, compared to September's 125 mm (4.9 in) over 13 days. The humidity remains high in both months, with October at 78% compared to September's 77%. For more detailed weather information, check out Pelabuhanratu weather in October.
In September, the weather generally features mild temperatures ranging from a minimum of 20°C (68°F) to a maximum of 30°C (87°F), with an average of around 25°C (76°F). This month experiences about 125 mm (4.9 in) of precipitation over 13 days, coupled with a humidity level of 77%. In contrast, November sees a slight rise in minimum temperature to 21°C (70°F) and a maximum of 32°C (89°F), maintaining a similar average of 25°C (77°F). However, November is significantly wetter, with precipitation reaching 329 mm (13.0 in) across 25 days, and humidity increasing slightly to 80%. For a more detailed overview of November's conditions, you can check Pelabuhanratu weather in November.
In September, the weather features a warm climate with average temperatures ranging from a minimum of 20°C (68°F) to a maximum of 30°C (87°F), along with a fair amount of humidity at 77%. The month experiences substantial rainfall, with 125 mm (4.9 in) of precipitation spread over 13 days. By contrast, December sees slightly warmer temperatures, with a minimum of 22°C (71°F) and an average of 24°C (76°F). However, this month is significantly wetter, receiving 416 mm (16.4 in) of rain over 29 days, and a slight increase in humidity to 79%. This stark difference in precipitation highlights the change in weather patterns as the year comes to a close. For more details, you can check Pelabuhanratu weather in December.
As September graces Pelabuhanratu, the weather presents a delightful mix of warmth and moisture that sets it apart from the preceding months. With average temperatures hovering around a comfortable 25°C (76°F) and maximums peaking at 30°C (87°F), the atmosphere invites outdoor activities, albeit with a notable increase in humidity at 77%. This month also witnesses a rise in precipitation, bringing about 125 mm (4.9 in) across 13 days. This blend of warm temperatures and frequent rainfall creates a unique tropical ambiance, perfect for embracing the lush scenery. For more in-depth information on what the climate has to offer, explore Pelabuhanratu Climate.