Last updated: August 21, 2025
In September, the weather in Klumbu, Indonesia showcases a warm tropical climate, with maximum temperatures reaching 28°C (82°F) and an average of 26°C (79°F). The nights are pleasantly mild, with minimum temperatures around 24°C (75°F). This month brings about moderate rainfall, totaling 41 mm (1.6 in) across approximately 15 days, creating a lush, vibrant environment. The humidity level hovers around 71%, contributing to the characteristic tropical feel of the region, making September a unique time to experience the natural beauty and rich culture of Klumbu.
In September, Klumbu, Indonesia experiences a mild transition as temperatures begin to gradually rise. The minimum temperature hovers around 24°C (75°F), providing a comfortable start to the month, while the average temperature settles at 26°C (79°F)—a slight increase from the cooler days of August. The maximum reaches 28°C (82°F), reflecting a subtle movement towards warmth as the region shifts from the dry to the wet season. Overall, September offers a pleasant balance of warmth, making it an ideal time for outdoor adventures in this tropical paradise.
September in Klumbu, Indonesia, marks a shift towards drier conditions, with only 41 mm (1.6 in) of precipitation recorded across 15 days. This decline in rainfall continues the downward trend observed from the previous months, where March saw 173 mm (6.8 in), tapering to a mere 55 mm (2.2 in) in August. As the region transitions into the second half of the year, the rainfall pattern suggests a gradual easing of the wet season, setting the stage for the coming months, when precipitation levels will start to rise again with October bringing 65 mm (2.6 in). This gradual reduction in September's precipitation could provide a welcome reprieve for the local community, allowing for moments of sunshine amid the lingering humidity.
September in Klumbu, Indonesia, marks a transition in humidity levels, as the month experiences a notable drop to 71%. This slight decrease continues the trend observed since mid-year, with humidity gradually declining from 76% in June to 72% in August. The pattern suggests a shift towards drier conditions as the region heads into the latter part of the year. Interestingly, this trend is consistent with the seasonal cycle, as October and November are projected to dip even further, stabilizing at 69%. This gradual decrease adds a refreshing element to the tropical climate, making September a time of subtle change and approaching cooler days.
September in Klumbu, Indonesia, continues the trend of extreme UV exposure, boasting a UV Index of 15 and a dangerously short burn time of just 10 minutes. This pattern is consistent with the preceding months, where January through April also recorded the highest levels of UV intensity. As the year progresses, the UV Index experiences slight fluctuations, notably lowering in June with a value of 10 before spiking back up in August; however, September firmly returns to the peak values seen earlier in the year. With such persistent extreme exposure, it's crucial for residents and visitors to stay informed and take necessary precautions under the sun. For more details on UV levels throughout the year, visit Klumbu UV Index.
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September in Klumbu, Indonesia, shines bright with 304 hours of sunshine, marking a delightful transition into the latter part of the year. This month is only slightly behind the sunniest August, which boasted 311 hours, showcasing a trend of consistently high sunlight throughout the late dry season. The increase in sunshine hours from earlier months, like January’s 234 hours to September's robust count, highlights the region's emergence from the cooler, cloudier days of the first half of the year. As October approaches, the sunshine promises to reach even greater heights, with an impressive average of 320 hours expected, indicating a sunny climax to the year in this tropical paradise.
In Klumbu, Indonesia, September offers a 39% chance of sunny weather, marking a decline from the warmer, sunnier months of July and August, which see probabilities peaking at around 55% and 50% respectively. This downward trend is noticeable as the region transitions into the wetter season; the chances of clear skies dip significantly as October approaches, when they further drop to 30%. Interestingly, this period in September still presents a better likelihood of sunshine compared to the gloomy wet months of November and December, where the chances plummet to just 8% and 16%. Thus, while September may not offer the highest likelihood for sunshine, it remains a favorable choice before the rainy season sets in.
In Klumbu, Indonesia, the September daylight duration mirrors the consistency of earlier months, with 12 hours of daylight lighting up the landscape. This marks a gentle transition back to longer days after a brief period of shorter daylight from April through August, where the duration dipped to 11 hours. As the year progresses, the pattern reveals a stable rhythm, where January to March and October to December consistently enjoy around 12 hours of daylight, emphasizing the equatorial climate’s beautiful balance across the seasons. This predictability in daylight not only affects the local flora and fauna but also enriches the vibrant lifestyle of Klumbu's residents, as they bask in the ample sunlight.
In September, Klumbu experiences a delightful transition in its winds, averaging 5.1 m/s (11 mph), marking a slight decrease from the summer months of July and August, which boast winds over 5.4 m/s (12 mph). This month encapsulates an energetic yet gentle atmosphere as the winds begin to mellow, paving the way for the calmer conditions that follow in October and November. The September winds are perfect for outdoor activities, striking a harmonious balance between the vigorous breezes of summer and the tranquil serenity of the approaching rainy season. As the year draws closer to its end, the gradual shift in wind patterns reflects the region's unique climate, allowing locals and visitors alike to enjoy the crisp freshness of early autumn.
Weather in Klumbu varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Klumbu, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the average temperatures range from a mild 24°C (75°F) to a maximum of 28°C (82°F), with a relatively light precipitation of 41 mm (1.6 in) spread over 15 days. The humidity stands at 71%, contributing to a warm but comfortable atmosphere. In contrast, January experiences slightly warmer temperatures, with minimums of 25°C (77°F) and maximums reaching 29°C (84°F). However, it also sees a significant increase in rainfall, totaling 260 mm (10.2 in) over 24 days, and a higher humidity level of 78%. This creates a more humid and wet environment compared to the drier September weather. For more specifics about January's climate, you can visit Klumbu weather in January.
In comparing the weather of September and February, February tends to be slightly warmer with average temperatures ranging from a minimum of 25°C (78°F) to a maximum of 29°C (84°F), compared to September's milder range of 24°C (75°F) to 28°C (82°F). However, February also brings significantly more precipitation, averaging 264 mm (10.4 in) over 26 days, which is much higher than September's 41 mm (1.6 in) over 15 days. Additionally, February experiences higher humidity levels at 84%, compared to September's 71%. For a more detailed look at February's weather in Klumbu, you can visit Klumbu weather in February.
When comparing the weather in September and March, there are notable differences in temperature and precipitation. September enjoys slightly cooler temperatures, with an average of 26°C (79°F) and a maximum of 28°C (82°F), while March is a bit warmer, with an average temperature of 27°C (81°F) and highs reaching up to 29°C (85°F). However, March experiences significantly more rainfall, with 173 mm (6.8 in) over 25 days compared to September's 41 mm (1.6 in) across 15 days. Additionally, humidity levels are higher in March at 82% versus 71% in September, making March feel more humid. For more details, you can check out Klumbu weather in March.
In comparing the weather of September and April, we see that both months feature warm temperatures, but April tends to be slightly hotter, with an average temperature of 28°C (82°F) compared to September's 26°C (79°F). While the minimum and maximum temperatures are also marginally higher in April, the humidity is greater at 80%, making it feel more oppressive than the 71% humidity typically experienced in September. Additionally, April sees higher precipitation levels, averaging 86 mm (3.4 in) over 17 days, compared to September's 41 mm (1.6 in) spread over 15 days. For more detailed weather insights, you can check out Klumbu weather in April.
In comparison to September, May tends to be slightly warmer, with average temperatures ranging from a minimum of 25°C (78°F) to a maximum of 30°C (85°F), whereas September's temperatures range from 24°C (75°F) to 28°C (82°F). Both months experience considerable humidity, with May at 79% and September a bit lower at 71%. Precipitation is slightly higher in May, totaling 52 mm (2.1 in) over 16 days, compared to September's 41 mm (1.6 in) over 15 days. For more detailed information on May weather, you can check out Klumbu weather in May.
In comparing the weather between September and June, both months showcase warm temperatures, but June tends to be slightly warmer. In June, the minimum temperature is 25°C (78°F) while September has a slightly cooler minimum of 24°C (75°F). The average temperature in June is 27°C (80°F) compared to September's 26°C (79°F), and the maximum temperatures are also close, with June reaching up to 29°C (84°F) and September capping at 28°C (82°F).
However, September experiences less precipitation at 41 mm (1.6 in) over 15 days, compared to June's 57 mm (2.2 in) over 16 days. This makes September a drier month, despite both months having high humidity levels, with September at 71% and June at 76%. For more details on June weather, you can check Klumbu weather in June.
In comparing the weather between July and September, both months display similar temperature patterns, with minimum, average, and maximum temperatures remaining consistently between 24°C (75°F) and 28°C (82°F). However, while July experiences slightly higher precipitation at 48 mm (1.9 in) over 15 days, September sees a reduction in rainfall to 41 mm (1.6 in), also spanning 15 days. Humidity levels are fairly comparable, with July at 73% and September at 71%, indicating that both months maintain a humid atmosphere. For more detailed information on July’s weather, you can check Klumbu weather in July.
In comparing the weather of August and September, we see a slight increase in minimum temperature in September, rising from 23°C (74°F) to 24°C (75°F). Both months have an average high of 27°C (82°F) to 28°C (82°F), indicating stable warmth. However, September experiences less precipitation, with 41 mm (1.6 in) over 15 rainy days compared to August's 55 mm (2.2 in) across 18 days, suggesting a drier atmosphere as the month progresses. Humidity remains quite similar, with September at 71% and August slightly higher at 72%. For more detailed information on weather patterns in August, you can refer to Klumbu weather in August.
September and October both feature similar average temperatures, with September's range spanning from a minimum of 24°C (75°F) to a maximum of 28°C (82°F), while October maintains a slightly warmer minimum at 25°C (77°F) and a maximum of 28°C (84°F). However, October experiences increased precipitation, with 65 mm (2.6 in) falling over 18 days, compared to September's 41 mm (1.6 in) spread over 15 days. Additionally, October's humidity level is marginally lower at 69%, compared to September's 71%, suggesting a slightly more comfortable atmosphere despite the increased rainfall. For more detailed information, check Klumbu weather in October.
In September, the weather is characterized by warm temperatures, with an average of 26°C (79°F) and a maximum reaching 28°C (82°F). The month experiences relatively moderate precipitation, totaling 41 mm (1.6 in) over about 15 days, coupled with a humidity level of 71%, making it a humid yet pleasant time. In contrast, November sees slightly higher temperatures, with an average of 27°C (81°F) and maximums of 29°C (84°F). However, it is significantly wetter, with 205 mm (8.1 in) of rainfall spread over 24 days, resulting in a slight decrease in humidity to 69%. For specific details about November's weather patterns, you can visit Klumbu weather in November.
In September, temperatures range from a minimum of 24°C (75°F) to a maximum of 28°C (82°F), with an average temperature of 26°C (79°F). The month typically sees a moderate level of rainfall, totaling 41 mm (1.6 in) over about 15 days, and maintains a humidity level of 71%. In contrast, December experiences slightly higher temperatures, ranging from a minimum of 25°C (78°F) to a maximum of 30°C (86°F), with an average of 27°C (81°F). However, December is significantly wetter, with precipitation reaching 238 mm (9.4 in) over 27 days, while the humidity remains consistent at around 72%. For further details on December weather, you can check out Klumbu weather in December.
As September arrives in Klumbu, the weather begins to shift, bringing a refreshing transition from the peak of the dry season. With warm temperatures averaging around 26°C (79°F), days are notably pleasant, though a hint of humidity at 71% can make it feel warmer. Unlike the preceding months, which typically boast clearer skies and less moisture, September sees an uptick in precipitation, with about 41 mm falling over 15 days. This blend of warmth and occasional rain not only revitalizes the landscape but also adds a lush vibrancy to the surroundings. It's a unique time to experience Klumbu's beauty as it prepares for the impending wet season. For more in-depth insights into the nuances of Klumbu's climate, visit Klumbu Climate.