September Weather in Kelanabian, Indonesia

Last updated: August 21, 2025

Experience the enchanting September weather in Kelanabian, Indonesia, where the tropical climate delivers a pleasant atmosphere. With maximum temperatures reaching 28°C (82°F) and a comfortable average of 26°C (79°F), visitors will relish warm days and cool evenings. However, be prepared for the possibility of rain, as 49 mm (1.9 in) of precipitation is expected over 17 days, making it one of the wetter months. The humidity hovers around 71%, adding to the richness of the lush landscape. Whether you're exploring the natural beauty or enjoying local culture, September in Kelanabian offers a unique blend of warmth and vibrant greenery.

September Temperature in Kelanabian

In September, Kelanabian, Indonesia experiences a smooth transition into the dry season, with temperatures reflecting a gentle rise in warmth. The minimum temperature settles around 24°C (75°F), while the average hovers at 26°C (79°F), peaking at a maximum of 28°C (82°F). This slight upward trend from the preceding months makes September a pleasant time for both locals and travelers, offering comfortable conditions for exploration. With these consistent temperatures, it’s clear that Kelanabian's tropical climate ensures a warm and inviting atmosphere, perfect for enjoying the island's stunning landscapes and rich culture.

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

The chart illustrates September temperature patterns in Kelanabian, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kelanabian, 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).
JanFebMarAprMayJunJulAugSepOctNovDec818181828180797878798081
Data source: Temperature data for Kelanabian 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 Kelanabian

In September, Kelanabian, Indonesia experiences a noticeable dip in precipitation, with an average of 49 mm (1.9 in) falling over 17 days. This reduction is part of a broader trend observed as the month transitions from the heavy rains of the earlier months to the drier spell that precedes the rainy season peak in November. Notably, September's precipitation marks a significant decline from the 269 mm (10.6 in) in January, illustrating the shift from the wettest part of the year. This period serves as a brief respite, as the rains begin to pick up again in October, with 69 mm (2.7 in) anticipated. Overall, September in Kelanabian is characterized by relatively lighter rainfall, providing a brief interlude before the intense precipitation returns.

September Precipitation Trends in Kelanabian

The chart displays monthly precipitation patterns in Kelanabian, 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 Kelanabian, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec26926219191586754594969273242
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kelanabian

In Kelanabian, Indonesia, September marks a continuation of the region's trend toward lower humidity levels, settling at 71%. This figure reflects a gradual decline from the wetter months earlier in the year, with January peaking at 78% and February reaching 84%. As the year progresses, humidity steadily decreases, reaching its lowest in October at 69%, suggesting a shift towards a drier climate as the dry season approaches. The decline from August's 72% to September indicates the transition into a more comfortable atmosphere, often welcomed by residents and visitors alike. Overall, the humidity levels in Kelanabian reveal a consistent ebb and flow that characterizes the tropical climate, shaping its lush landscapes and vibrant ecosystems throughout the year.

September Average Humidity in Kelanabian

This chart illustrates the average monthly humidity levels in Kelanabian, 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 Kelanabian is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%84%82%80%79%76%73%72%71%69%69%72%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kelanabian

In September, the UV Index in Kelanabian, Indonesia, reaches an extreme level of 15, continuing the trend observed throughout the year where high UV exposure is a constant concern. The 10-minute burn time highlights the urgency for sun protection, similar to earlier months like January and March, which also saw the same level of intensity. Interestingly, after a slight dip in May, the UV Index climbs back up, emphasizing the need for vigilance against sunburn throughout the year. This consistency in extreme readings underscores the importance of understanding UV exposure in this tropical paradise. For more detailed insights on solar radiation levels, check out Kelanabian UV Index.

Maximum UV Index Levels in Kelanabian for September

The chart shows the monthly maximum UV Index (UVI) for Kelanabian 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 Kelanabian typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151515141210111315151414
Data source: Kelanabian 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 Kelanabian

September in Kelanabian, Indonesia, shines brightly with 304 hours of sunshine, highlighting a month that seamlessly connects the vibrant summer with the upcoming autumn. The sunlight continues a delightful trend established in the earlier months, peaking in August with 311 hours, before slightly dipping in September. This maintains a robust average for the region, with notable hours of sunlight from May to October, consistently exceeding the 300-hour mark. As the year progresses, residents and visitors alike can relish the rich golden days that characterize the transition into the latter part of the year, creating an enchanting atmosphere perfect for exploration and relaxation.

Monthly Sunshine Duration in Kelanabian: September Highlighted

The September sunshine duration represents the total number of hours Kelanabian 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.
JanFebMarAprMayJunJulAugSepOctNovDec231h274h298h295h306h295h307h311h304h319h296h295h
Data source: Kelanabian September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kelanabian During September

In September, Kelanabian, Indonesia experiences a 37% chance of sunny weather, marking it as one of the transitional months as it shifts from the relatively brighter days of July and August, which boast higher probabilities of sunshine at 52% and 47%, respectively. This decrease suggests that while the summer-like conditions linger, the region is slowly moving toward the cloudier months ahead, with October seeing the likelihood of sun dip even further to 29%. Overall, September offers a mixed bag of weather, where sunny spells are still possible but gradually giving way to the onset of the wetter season, creating a unique blend of conditions perfect for enjoying the last remnants of warmth before the rain arrives.

Percentage of Sunny Days in September in Kelanabian

The chart illustrates the percentage of sunny days in Kelanabian 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 Kelanabian experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec3%7%17%50%51%48%52%47%37%29%7%15%
Data source: Kelanabian September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kelanabian in September

In Kelanabian, Indonesia, the daylight duration exhibits a remarkable consistency throughout the year, particularly from January to March, when residents enjoy a generous 12 hours of daylight. As the calendar transitions to April, a slight reduction occurs, with only 11 hours of sunlight gracing the days from April to August. However, the arrival of September signals a return to the longer days, restoring the 12 hours of daylight, which persists through to November. As the year concludes in December, the daylight duration remains steady at 12 hours, showcasing the region's tropical climate and the balanced rhythm of its day-night cycle. This pattern of daylight offers both residents and visitors a vibrant backdrop to enjoy the lush landscapes and rich culture that Kelanabian has to offer.

Average Daylight Hours in Kelanabian for September

The chart illustrates the variation in daylight duration in Kelanabian throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 33m12h 21m12h 7m11h 53m11h 42m11h 36m11h 39m11h 49m12h 2m12h 16m12h 29m12h 36m
Data source: Kelanabian daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Kelanabian

As September rolls into Kelanabian, Indonesia, the winds begin to moderate from the summer highs, averaging a pleasant 4.6 m/s (10 mph). This marks a slight decline from the peak wind speeds of 5.1 m/s (11 mph) experienced in both July and August, yet it maintains a lively breeze that characterizes this transitional month. Following the consistent gusts of summer, September offers a refreshing change, while still outpacing the relatively calm winter months ahead, which dip to 2.1 m/s (5 mph) by November. This trend underscores a gradual shift in the seasonal wind pattern, hinting at the approaching stillness of the year’s end, yet celebrating September's vibrant and exhilarating atmosphere.

Average September Wind Speed in Kelanabian

The chart displays monthly wind speed patterns in Kelanabian, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.03.42.82.94.43.75.15.14.6 m/s2.32.13.5
Data source: Kelanabian September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Kelanabian Compares to Other Months

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

In comparing the weather of September and January, we find that both months are characterized by warm temperatures, but January tends to be slightly warmer overall. September sees minimum temperatures of 24°C (75°F) and averages around 26°C (79°F), while January's minimum is a bit higher at 25°C (77°F), with an average of 27°C (81°F). Although both months experience humidity levels around 71% to 78%, January stands out for its significantly higher precipitation, with 269 mm (10.6 in) over 23 days, compared to September's 49 mm (1.9 in) over 17 days. This means January is not only warmer but also considerably wetter, which can influence outdoor activities and travel plans. For a detailed look at January weather patterns, check out Kelanabian weather in January.

In September, the weather is generally warm with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F) and an average of 26°C (79°F). The month sees relatively low precipitation, totaling 49 mm (1.9 in) over approximately 17 days, with average humidity around 71%. In contrast, February experiences slightly higher temperatures, with lows of 25°C (77°F) and highs reaching 30°C (86°F), averaging 27°C (81°F). However, February is significantly wetter, with 262 mm (10.3 in) of rainfall spread across 26 days and increased humidity at 84%. For a detailed look at weather conditions in February, check out Kelanabian weather in February.

In comparing the weather between September and March, September tends to have slightly lower temperatures, with a minimum of 24°C (75°F) and an average around 26°C (79°F), while March experiences a warmer minimum temperature of 25°C (77°F) and an overall average of 27°C (81°F). March also sees more rainfall, with a significant increase in precipitation to 191 mm (7.5 in) spread over 28 days, compared to September's 49 mm (1.9 in) over 17 days. Additionally, the humidity levels are slightly higher in March at 82%, compared to September's 71%. For a more detailed look at the weather specifics in March, you can refer to this link: Kelanabian weather in March.

In September, the weather tends to be slightly cooler, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F). The month sees around 49 mm (1.9 in) of precipitation spread over 17 days, with humidity levels averaging 71%. Conversely, April is warmer, boasting average temperatures from a minimum of 25°C (77°F) to a maximum of 30°C (86°F). Precipitation is higher in April, reaching 91 mm (3.6 in) and occurring over 18 days, along with increased humidity at 80%. For more detailed insights on the weather patterns, visit Kelanabian weather in April.

In comparing the weather of September and May, both months showcase warm temperatures, but May tends to be slightly warmer overall. September has an average temperature of 26°C (79°F), with a minimum of 24°C (75°F) and a maximum of 28°C (82°F). In contrast, May has an average temperature of 27°C (81°F), with a minimum of 25°C (77°F) and a maximum of 29°C (85°F). Precipitation is a bit higher in May, totaling 58 mm (2.3 in) across 16 days, compared to September's 49 mm (1.9 in) over 17 days. Additionally, May experiences a higher average humidity of 79%, while September sits at 71%. For more detailed insights on May weather, visit Kelanabian weather in May.

In comparing the weather in September and June, we see that both months offer warm temperatures, but June is slightly warmer overall, with an average temperature of 27°C (80°F) compared to September's 26°C (79°F). Both months experience humidity levels on the higher side, with June at 76% and September a bit lower at 71%. Precipitation is more frequent in June, with 67 mm (2.6 in) over 19 days, while September has less rainfall at 49 mm (1.9 in) across 17 days. For a more detailed look at June weather in Kelanabi, you can visit Kelanabian weather in June.

In comparing the weather of September and July, both months exhibit similar temperature ranges, with minimum temperatures of 24°C (75°F), average temperatures of 26°C (79°F), and maximum temperatures reaching 28°C (82°F). However, July experiences slightly higher precipitation, with 54 mm (2.1 in) over 18 days, compared to September’s 49 mm (1.9 in) over 17 days. Additionally, humidity levels are marginally higher in July at 73%, compared to 71% in September. For more detailed insights, you can visit Kelanabian weather in July.

In September, the weather shows a slight increase in average temperature, with minimums reaching 24°C (75°F) and maximums peaking at 28°C (82°F). This month experiences a decrease in total precipitation, with 49 mm (1.9 in) falling over 17 days, compared to August, which had a bit more rainfall at 59 mm (2.3 in) over 20 days. Humidity levels remain quite similar, at 71% in September and 72% in August. For a more detailed comparison of conditions in August, you can check Kelanabian weather in August.

In comparing the weather patterns of September and October, we see that both months experience similar temperature ranges, with minimums of 24°C (75°F), averages of 26°C (79°F), and maximums of 28°C (82°F in September and 83°F in October). However, October tends to be a bit wetter, receiving 69 mm (2.7 in) of precipitation across 20 days, compared to September's 49 mm (1.9 in) over 17 days. Humidity levels are slightly lower in October at 69%, compared to September's 71%, which may contribute to a more comfortable feel despite the increased rainfall. For a more detailed overview, you can check out Kelanabian weather in October.

In September, the weather features a warm climate with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F), alongside moderate precipitation of 49 mm (1.9 in) over 17 days, contributing to a humidity level of 71%. In contrast, November sees slightly warmer temperatures, with an average ranging from 25°C (76°F) to 29°C (84°F), but experiences a significant increase in rainfall, totaling 273 mm (10.7 in) over 25 days, and slightly lower humidity at 69%. Overall, November is not only warmer but also much wetter compared to September, making it important to prepare for rain if visiting during this month. For more details on the weather during this time, check out Kelanabian weather in November.

In September, the weather tends to be warm and relatively dry, with average temperatures hovering around 26°C (79°F) and only 49 mm (1.9 in) of precipitation over 17 days. In contrast, December sees slightly higher temperatures, averaging 27°C (81°F) and peaking at 30°C (86°F), but it also experiences significantly more rainfall, totaling 242 mm (9.5 in) across 28 days. The humidity levels remain comparable between the two months, with September at 71% and December at 72%. For more detailed insights on December weather, you can check out this link: Kelanabian weather in December.

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Conclusion: What to Expect From September Weather in Kelanabian

As September graces Kelanabian, the weather begins to shift, offering a comforting blend of warmth and moisture. With average temperatures hovering around 26°C (79°F), this month feels slightly cooler than the peak heat of summer, inviting visitors to explore its stunning landscapes. Rainfall becomes more frequent, with 17 days of gentle showers contributing to a lush, vibrant environment. Despite the increase in precipitation, humidity remains at a steady 71%, enhancing the tropical feel. Overall, September offers a delightful transition, making it an ideal time for those keen on experiencing the lush beauty of the region while avoiding the sweltering heat of the preceding months. To learn more about what to expect throughout the year, check out the full details on Kelanabian Climate.