September Weather in Jomblang, Indonesia

Last updated: August 21, 2025

September in Jomblang, Indonesia, offers a warm tropical climate characterized by maximum temperatures soaring to 36°C (98°F) and an average of 28°C (83°F), making it ideal for outdoor adventures. The month experiences a minimum temperature of 21°C (71°F), providing comfortable evenings. Rainfall is present, with 35 mm (1.4 in) of precipitation spread over 5 days, contributing to the region’s lush greenery. With humidity levels at 70%, visitors can expect a classic tropical ambiance, perfect for exploring this beautiful destination.

September Temperature in Jomblang

In September, Jomblang, Indonesia, experiences a delightful blend of warmth and comfort. The temperatures range from a minimum of 21°C (71°F) to a maximum of 36°C (98°F), with an average of 28°C (83°F). This month continues the trend of steady warmth seen throughout the year, with the daytime heat peaking, reminiscent of the brisker July, which recorded its highest temperatures. September's nights are slightly cooler, making it a perfect time for evening outings. As the seasons shift, visitors can expect a vibrant atmosphere alongside comfortably warm weather, ideal for exploring the lush landscapes of this beautiful region.

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

The chart illustrates September temperature patterns in Jomblang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jomblang, 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).
JanFebMarAprMayJunJulAugSepOctNovDec808081828282818283848281
Data source: Temperature data for Jomblang generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Jomblang

September in Jomblang, Indonesia, marks a transitional period in the year’s precipitation pattern. With only 35 mm (1.4 in) of rainfall spread across just 5 days, this month signals a noticeable decline from the heavy showers earlier in the year, particularly the deluge experienced in January through March, which often exceeds 300 mm. As the dry season approaches, September's figures are a stark contrast to the 28 days of rain in February, highlighting a shift towards the forthcoming months where precipitation will escalate once more, peaking significantly in November and December. This seasonal ebb and flow paint a vivid picture of Jomblang’s tropical climate, where the brief respite in September is followed by a resurgence of rain, fueling the region’s lush landscapes.

September Precipitation Trends in Jomblang

The chart displays monthly precipitation patterns in Jomblang, 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 Jomblang, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3153473252279472191135111283290
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Jomblang

As September rolls in Jomblang, Indonesia, the humidity begins to show a notable decline, dropping to 70%. This marks a gradual decrease from the high humidity levels earlier in the year, with January and February experiencing peaks of 82% and 86%, respectively. As summer progresses, a consistent reduction is evident, culminating in September’s more comfortable humidity levels. This trend not only provides relief from the tropical stickiness but also hints at the onset of drier months ahead. Following September, the humidity slightly rebounds in October and November, settling at 72% and 73%, but September's decline signals a transitional period in the region’s climate, making it a refreshing time for both residents and travelers alike.

September Average Humidity in Jomblang

This chart illustrates the average monthly humidity levels in Jomblang, 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 Jomblang is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%86%84%80%81%81%78%74%70%72%73%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Jomblang

In September, Jomblang, Indonesia, experiences a UV Index of 14, indicating an extreme exposure category with a burn time of just 10 minutes. This month continues a consistent trend of high UV levels, as September's index mirrors that of January, March, and October, reinforcing the need for diligent sun protection. Throughout the year, the UV Index in Jomblang remains notably elevated, with several months reaching upwards of 16. As the region transitions from the wet to dry season, maintaining awareness of UV exposure is crucial for outdoor activities. For more detailed information, visit Jomblang UV Index.

Maximum UV Index Levels in Jomblang for September

The chart shows the monthly maximum UV Index (UVI) for Jomblang 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 Jomblang typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141615131210111314141414
Data source: Jomblang 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 Jomblang

September in Jomblang, Indonesia, bathes in an impressive 307 hours of sunshine, continuing the region's delightful trend from the summer months. Following the vibrant August, which boasted 317 hours of radiant light, September maintains a high level of luminosity, signifying that the dry season's warmth lingers pleasantly into early autumn. As the year progresses, sunshine hours fluctuate, peaking in the mid-year with July’s 316 hours and slowly receding towards the end, yet September stands out as the perfect blend of sunny days. This alluring pattern not only ignites the spirits of outdoor enthusiasts but also paints a picturesque backdrop for those exploring the natural beauty of Jomblang.

Monthly Sunshine Duration in Jomblang: September Highlighted

The September sunshine duration represents the total number of hours Jomblang 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.
JanFebMarAprMayJunJulAugSepOctNovDec220h272h306h292h307h296h316h317h307h311h280h285h
Data source: Jomblang September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Jomblang During September

As summer transitions into fall, September in Jomblang, Indonesia, offers a moderate likelihood of sunny weather with a 29% chance of sun. This aligns with a noticeable shift from the dryer months of July and August, where sunshine peaks at 52% and 46%, respectively. Following the summer, the probability dips but remains significantly higher than the gloomy months ahead, like November and December, with chances plummeting to 4% and 7%. September serves as a bridge between the sunny joys of summer and the wetter seasons, making it a unique time for those eager to bask in the sunshine while still enjoying the lush beauty of this vibrant landscape.

Percentage of Sunny Days in September in Jomblang

The chart illustrates the percentage of sunny days in Jomblang 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 Jomblang experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec1%6%12%33%37%36%52%46%29%21%4%7%
Data source: Jomblang September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Jomblang in September

In Jomblang, Indonesia, the rhythm of daylight showcases a fascinating trend throughout the year. Beginning with a consistent 12 hours of daylight from January to March, the days gradually shorten to 11 hours from April through August, ushering in a sense of mellow warmth as the seasons shift. However, in September, the daylight duration makes a swift return to 12 hours, signaling a welcomed balance as the days grow longer once again. This trend not only reflects the region's unique tropical climate but also hints at the vibrant natural cycles that resonate throughout the landscape, creating a dynamic environment for both residents and visitors alike. As the year progresses, October and November maintain the 12-hour daylight mark, ensuring that the energy of the sun continues to brighten daily life before the return to December's steady rhythm.

Average Daylight Hours in Jomblang for September

The chart illustrates the variation in daylight duration in Jomblang throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 28m12h 19m12h 7m11h 55m11h 46m11h 42m11h 44m11h 52m12h 3m12h 14m12h 25m12h 30m
Data source: Jomblang daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Jomblang

As September arrives in Jomblang, Indonesia, the winds gently sweep through the landscape at an average speed of 2.1 m/s (5 mph). This slight dip from the more robust 2.4 m/s (5 mph) observed in August reflects a gradual transition from the lively breezes of the dry season toward a more subdued autumnal calm. Throughout the year, the wind speeds showcase a noteworthy pattern, with the peak winds occurring in February at 3.1 m/s (7 mph), while the year closes out with the softer whispers of November's 1.4 m/s (3 mph). Overall, September's winds maintain a sense of continuity, bridging the final days of a vibrant dry season with the tranquil onset of the wetter months ahead.

Average September Wind Speed in Jomblang

The chart displays monthly wind speed patterns in Jomblang, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.43.11.61.61.71.72.22.42.1 m/s1.71.41.9
Data source: Jomblang September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Jomblang Compares to Other Months

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

In September, the weather is characterized by warm temperatures, with a minimum of 21°C (71°F) and an average high of 36°C (98°F), while experiencing moderate humidity at 70%. Precipitation is relatively light, totaling 35 mm (1.4 in) over just 5 days. In contrast, January brings slightly cooler temperatures, with a minimum of 23°C (73°F) and a maximum of 34°C (94°F). However, it is significantly wetter, with 315 mm (12.4 in) of rain spread over 25 days, accompanied by higher humidity at 82%. For more detailed information, you can check Jomblang weather in January.

In September, the weather is characterized by warm temperatures, with a minimum of 21°C (71°F) and an average of 28°C (83°F), peaking at a maximum of 36°C (98°F). The month sees relatively low precipitation at 35 mm (1.4 in) over about 5 days, accompanied by 70% humidity. In contrast, February presents a more humid and wetter climate, featuring a minimum temperature of 23°C (73°F), an average of 27°C (80°F), and a maximum of 34°C (93°F). Notably, February experiences significantly higher precipitation at 347 mm (13.7 in) spread over 28 days, with humidity levels rising to 86%. For more details on the weather conditions in Jomblang during February, you can check this Jomblang weather in February.

In September, the weather tends to be warm and somewhat dry, with temperatures ranging from a minimum of 21°C (71°F) to a maximum of 36°C (98°F), and average temperatures around 28°C (83°F). This month experiences only about 35 mm (1.4 in) of precipitation over roughly 5 days, accompanied by 70% humidity.

Conversely, March is generally warmer and significantly wetter, with minimum temperatures at 23°C (73°F) and maximums peaking at 34°C (93°F), yielding an average of 27°C (81°F). Remarkably, this month sees around 325 mm (12.8 in) of rain across 29 days, and the humidity rises to 84%. For more detailed information about the weather in March, you can check Jomblang weather in March.

When comparing the weather in September and April, notable differences emerge. September experiences higher maximum temperatures, ranging from a minimum of 21°C (71°F) to a peak of 36°C (98°F) with lower rainfall at 35 mm over just 5 days, leading to a relatively comfortable humidity level of 70%. In contrast, April brings slightly warmer minimum temperatures starting at 23°C (73°F) and a maximum of 34°C (94°F), but it is significantly wetter, with 227 mm of precipitation spread across 26 days and a higher humidity level of 80%. This contrast in rainfall and humidity makes April notably more humid and rainy compared to the drier September weather. For more detailed insights about April weather, check out Jomblang weather in April.

In comparing the weather between September and May, both months showcase warm average temperatures, hovering around 28°C (83°F). However, September generally experiences slightly higher maximum temperatures, reaching up to 36°C (98°F), compared to May's peak of 34°C (93°F). While September has a lower total precipitation of 35 mm (1.4 in) over just 5 days, May is notably wetter with 94 mm (3.7 in) spread across 15 days, resulting in a significantly higher humidity level of 81% compared to September's 70%. For more detailed insights into the weather conditions during May, you can visit Jomblang weather in May.

In comparing the weather patterns of September and June, both months exhibit similar minimum temperatures, hovering around 21°C (70°F to 71°F). However, September tends to be a bit warmer overall, with an average high of 36°C (98°F) compared to June's maximum of 35°C (95°F). Rainfall is another distinguishing factor; September sees less precipitation, totaling 35 mm (1.4 in) over 5 days, while June receives significantly more, with 72 mm (2.8 in) spread over 12 days. Additionally, humidity levels in June are higher at 81% compared to September's 70%, contributing to a more tropical feel during that month. For more detailed insights on weather conditions, you can refer to Jomblang weather in June.

In comparing the weather between July and September, both months feature similar temperature ranges with minimums around 21°C (71°F) and maximums reaching up to 36°C (98°F). However, September generally has a slightly higher average temperature of 28°C (83°F) compared to July's 27°C (82°F). Additionally, September experiences more precipitation, with 35 mm (1.4 in) falling over an average of 5 days, while July sees only 19 mm (0.8 in) over 3 days. Humidity levels are also higher in July at 78%, compared to 70% in September. For more detailed weather information during July, you can visit Jomblang weather in July.

September weather shows slightly warmer conditions compared to August, with average temperatures remaining constant at 28°C (83°F) but featuring a higher maximum of 36°C (98°F). Humidity is slightly lower in September at 70%, compared to August's 74%, although September experiences more precipitation, totaling 35 mm (1.4 in) over 5 days, versus August's 11 mm (0.4 in) over just 2 days. This suggests that while both months are warm, September is more likely to bring rain and slightly hotter days. For more details on August's weather, you can check Jomblang weather in August.

In September, the weather tends to be quite warm with an average temperature of 28°C (83°F), peaking at a high of 36°C (98°F). The month sees relatively low precipitation, totaling just 35 mm (1.4 in) over about 5 days, with humidity around 70%. In contrast, October experiences slightly warmer temperatures, with an average of 29°C (84°F) and a maximum reaching 37°C (99°F). However, this month also brings significantly more rain, accumulating 111 mm (4.4 in) over about 14 days, and humidity increases slightly to 72%. For more detailed weather insights, visit Jomblang weather in October.

In September, the weather is characterized by warm temperatures, with a minimum of 21°C (71°F) and an average of 28°C (83°F), peaking at a maximum of 36°C (98°F). Precipitation is relatively low at 35 mm (1.4 in) over five days, and humidity hovers around 70%. In contrast, November brings slightly warmer nights with a minimum temperature of 23°C (74°F) and similar average temperatures, but it also experiences higher rainfall, totaling 283 mm (11.1 in) spread across 24 days. The humidity also increases slightly to 73%. For more detailed insights on weather patterns during this month, you can check Jomblang weather in November.

In September, the weather features a warm temperature range with a minimum of 21°C (71°F) and a maximum of 36°C (98°F). The month experiences relatively low precipitation at 35 mm (1.4 in) over just 5 days, coupled with a humidity level of 70%. In contrast, December brings slightly warmer temperatures, with a minimum of 23°C (73°F) and a peak of 37°C (99°F). However, it sees a significant increase in rainfall, totaling 290 mm (11.4 in) spread over 28 days, resulting in higher humidity at 75%. For more detailed information, you can check out Jomblang weather in December.

Compare Jomblang's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Jomblang

As September rolls in, Jomblang experiences a delightful shift in weather, presenting a warm and inviting atmosphere. With temperatures averaging around 28°C, the month strikes a balance between the summer heat and the cooler transitional days ahead. While there are occasional rain showers, as evidenced by about five days of precipitation, the overall humidity remains relatively high at 70%, adding a touch of mugginess to the air. Compared to other months, September serves as a bridge to the wetter season while still offering plenty of sunshine, making it an ideal time for outdoor exploration. For a deeper dive into Jomblang’s weather patterns throughout the year, check out Jomblang Climate.