September Weather in Tanjung, Indonesia

Last updated: August 21, 2025

In September, Tanjung, Indonesia, experiences a tropical climate characterized by soothing temperatures and significant humidity. With a maximum temperature peaking at 28°C (82°F) and an average of 26°C (79°F), the weather is comfortably warm, inviting both locals and visitors to enjoy outdoor activities. However, the month also sees a minimum temperature of 24°C (75°F), ensuring pleasant evenings. Rainfall is a notable feature, with 41 mm (1.6 in) of precipitation occurring over approximately 15 days, contributing to the island's lush greenery. At 71% humidity, the atmosphere can feel quite sticky, underscoring the tropical essence of Tanjung in September.

September Temperature in Tanjung

As September unfolds in Tanjung, Indonesia, the weather begins to transition with a slight dip in temperatures. The minimum temperature settles around 24°C (75°F), while the average hovers at a comfortable 26°C (79°F). With a maximum temperature reaching 28°C (82°F), this month offers a pleasant balance, marking the onset of the dry season. Compared to the warmer days of August, when the temperatures peaked at 27°C (82°F), September brings a refreshing change without losing that tropical warmth. This gradual cooling trend sets the stage for an inviting environment, ideal for outdoor exploration and enjoying the natural beauty of the region.

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

The chart illustrates September temperature patterns in Tanjung, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tanjung, 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).
JanFebMarAprMayJunJulAugSepOctNovDec818181828180797879808181
Data source: Temperature data for Tanjung 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 Tanjung

In September, Tanjung experiences a notable decrease in precipitation, with only 41 mm (1.6 inches) of rainfall over 15 days. This marks a continuation of the drier trend that began in mid-year, following the peak rainfalls observed in the earlier months, where January and February witnessed substantial amounts exceeding 260 mm. As the region transitions from the dry spells of July and August, September's relatively lower precipitation hints at a shift towards the drier season, setting the stage for an increase again in the subsequent months, particularly in November and December. This ebb and flow of rainfall patterns reflect Tanjung’s tropical climate, characterized by distinct wet and dry phases, making September a month of respite before the rains return with vigor.

September Precipitation Trends in Tanjung

The chart displays monthly precipitation patterns in Tanjung, 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 Tanjung, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec26026417386525748554165205238
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Tanjung

In September, Tanjung, Indonesia experiences a slight dip in humidity, registering at 71%—the lowest level recorded for the month among its peers in the year. This trend follows a progressive decline from the peak levels of 84% in February, showcasing how the humidity steadily decreases as the year progresses. From the peak of 73% in July to the pleasant 71% in September, residents and visitors can enjoy a reprieve from the more oppressive moisture of the earlier months. With October continuing this downward trend at 69%, it’s evident that September marks the transition towards the drier conditions typical of the latter part of the year, offering a more comfortable climate for outdoor activities.

September Average Humidity in Tanjung

This chart illustrates the average monthly humidity levels in Tanjung, 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 Tanjung 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 Tanjung

In September, Tanjung, Indonesia, experiences an extreme UV Index of 15, consistent with the levels seen throughout much of the year. This persistent intensity means that outdoor enthusiasts should remain vigilant, as unprotected exposure can lead to sunburn in just 10 minutes. The trends reveal that Tanjung maintains a high UV Index across the calendar, especially from January to April and again from July to October, making sun safety a critical consideration year-round. To learn more about how to protect yourself from harmful UV rays, visit Tanjung UV Index.

Maximum UV Index Levels in Tanjung for September

The chart shows the monthly maximum UV Index (UVI) for Tanjung 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 Tanjung typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151515151210111315151514
Data source: Tanjung 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 Tanjung

September in Tanjung, Indonesia, basks in a generous 304 hours of sunshine, continuing the region's trend of abundant daylight as it transitions from the peak of the dry season. This delightful month slightly dips from the sunniest August, which boasted 311 hours of radiant skies, yet remains comfortably above the annual average. As the sun shines brightly, Tanjung invites both locals and visitors alike to enjoy its beautiful beaches and vibrant culture. Looking ahead, October promises to elevate sunshine levels even further, with an anticipated 320 hours, ensuring the warmth of the Indonesian sun lingers just a little longer.

Monthly Sunshine Duration in Tanjung: September Highlighted

The September sunshine duration represents the total number of hours Tanjung 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.
JanFebMarAprMayJunJulAugSepOctNovDec234h276h299h296h307h295h308h311h304h320h298h296h
Data source: Tanjung September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tanjung During September

In Tanjung, Indonesia, the likelihood of enjoying sunny weather in September shows a noticeable drop compared to the peak months of mid-year. While the sun shines brightly 55% of the time in July and remains quite prevalent during August at 50%, September experiences a decline, with a 39% chance of clear skies. This transition signals the approach of the wet season, as the sunny days give way to increased cloud cover and rain in the following months. Overall, September still offers a fair share of sunshine, but it marks a shift towards more unpredictable weather, indicating that visitors should be prepared for the possibility of rain amid the lingering warmth.

Percentage of Sunny Days in September in Tanjung

The chart illustrates the percentage of sunny days in Tanjung 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 Tanjung experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec4%6%18%50%53%52%55%50%39%30%9%16%
Data source: Tanjung September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tanjung in September

In Tanjung, Indonesia, the pattern of daylight duration exhibits a refreshing consistency year-round. While the early months of the year from January to March bask in a steady 12 hours of daylight, a subtle shift occurs in April, leading to 11 hours as the region transitions into the dry season. This trend of slightly shortened days continues through August, creating a seasonal rhythm. However, the arrival of September brings a delightful return to 12 hours of daylight, a precursor to the consistent daylight that remains through October to December. This cyclical pattern not only highlights the tropical climate's predictability but also enriches the daily lives of those living in this vibrant locale, allowing for a plethora of outdoor activities under the welcoming sun.

Average Daylight Hours in Tanjung for September

The chart illustrates the variation in daylight duration in Tanjung 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: Tanjung daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Tanjung

As September unfolds in Tanjung, Indonesia, the winds are pleasantly brisk, averaging 5.1 m/s (11 mph). Following a summer of stronger gusts in July and August, which boasted averages of 5.4 m/s and 5.6 m/s respectively, September marks a slight decline yet still retains a lively breeze. This transition showcases a blend of late-season vitality as the monsoon winds begin to soften, paving the way for a more tranquil October. Overall, throughout the year, Tanjung's wind patterns reveal a dynamic, seasonal rhythm, with the months from May to August standing out for their refreshing gusts, while the latter part of the year welcomes calmer days perfect for leisurely outdoor activities.

Average September Wind Speed in Tanjung

The chart displays monthly wind speed patterns in Tanjung, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.33.73.03.34.63.95.45.65.1 m/s3.52.63.8
Data source: Tanjung September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Tanjung Compares to Other Months

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

In September, the weather is generally warm with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F). The month experiences moderate precipitation of 41 mm (1.6 in) over about 15 days, accompanied by a humidity level of 71%. In contrast, January sees slightly warmer temperatures, with minimums of 25°C (77°F) and maximums reaching 29°C (84°F). However, the month is significantly wetter, receiving 260 mm (10.2 in) of rainfall spread over 24 days, and the humidity increases to 78%. For a more detailed look at January weather, you can visit Tanjung weather in January.

In comparing the weather between September and February, we can see a notable difference in both temperature and precipitation. September enjoys milder temperatures, with averages ranging from 24°C (75°F) to 28°C (82°F) and experiencing only 41 mm (1.6 in) of rainfall over approximately 15 days. In contrast, February tends to be warmer, with daily averages between 25°C (78°F) and 29°C (84°F) and significantly higher precipitation levels of 264 mm (10.4 in) spread over 26 days, resulting in increased humidity at 84%. For more detailed information about February weather, you can visit Tanjung weather in February.

In September, the weather typically boasts warm temperatures with a minimum of 24°C (75°F) and an average of 26°C (79°F), alongside a maximum of 28°C (82°F). The month experiences relatively moderate precipitation, totaling 41 mm (1.6 in) over about 15 days, with humidity at a comfortable 71%. In contrast, March sees slightly higher temperatures, starting from a minimum of 25°C (77°F) and averaging 27°C (81°F), peaking at 29°C (85°F). However, it is significantly wetter, with a total precipitation of 173 mm (6.8 in) spread across 25 days, and higher humidity at 82%. For more detailed insights into the weather in March, check out Tanjung weather in March.

In September, temperatures are slightly cooler, with a minimum of 24°C (75°F) and an average of 26°C (79°F), while April sees a higher minimum of 25°C (78°F) and an average of 28°C (82°F). Both months experience considerable humidity, with September at 71% and April rising to 80%. Precipitation is notably higher in April, totaling 86 mm (3.4 in) over 17 days compared to September's 41 mm (1.6 in) over 15 days. For a more detailed look at April weather specifics, you can check Tanjung weather in April.

In comparing the weather of September and May, September features slightly lower temperatures with an average of 26°C (79°F), compared to May's average of 27°C (82°F). While both months experience significant humidity, May is just a bit more humid at 79%, compared to September's 71%. Precipitation is slightly higher in May, with 52 mm (2.1 in) over 16 days, compared to September's 41 mm (1.6 in) across 15 days. For more detailed insights into May's weather, you can refer to Tanjung weather in May.

In September, the weather is slightly cooler compared to June, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F), while June offers slightly warmer conditions with temperatures between 25°C (78°F) and 29°C (84°F). Additionally, September experiences lower precipitation at 41 mm (1.6 in) over 15 days, compared to June's 57 mm (2.2 in) over 16 days. Humidity levels are also slightly lower in September at 71%, in contrast to June's 76%. For more details on June weather, check out Tanjung weather in June.

September and July exhibit similar temperature patterns, with both months featuring a minimum of 24°C (75°F), an average of 26°C (79°F), and a maximum of 28°C (82°F). However, September sees slightly less precipitation at 41 mm (1.6 in) compared to July's 48 mm (1.9 in), indicating a marginally drier climate. While both months experience precipitation on 15 days, July records a higher average humidity of 73%, slightly surpassing September's 71%. For those interested in more detailed July weather data, refer to Tanjung weather in July.

In comparing the weather of September and August, we can observe a few noteworthy differences. September experiences slightly warmer temperatures, with an average of 26°C (79°F) and a maximum of 28°C (82°F), compared to August's average of 26°C (78°F) and maximum of 27°C (82°F). August, however, sees more precipitation, totaling 55 mm (2.2 in) over 18 days, while September has 41 mm (1.6 in) of rain across 15 days. Humidity levels are fairly similar, with September at 71% and August at 72%. For detailed insights into August's weather, check out Tanjung weather in August.

In September, the weather presents a warm and humid atmosphere, with temperatures averaging around 26°C (79°F) and a minimum of 24°C (75°F). The month sees a total precipitation of 41 mm (1.6 in) over 15 days, contributing to a humidity level of 71%. In contrast, October maintains a similar temperature range, with an average of 26°C (80°F) and a slight increase in the minimum to 25°C (77°F). However, October is marked by increased rainfall, totaling 65 mm (2.6 in) over 18 days, resulting in slightly lower humidity at 69%. For a detailed view of the conditions, you can visit Tanjung weather in October.

In September, the weather is warm with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F), accompanied by moderate humidity at 71%. The month experiences relatively lower rainfall, totaling 41 mm (1.6 in) over about 15 days. In contrast, November sees slightly higher temperatures, with min temperatures at 25°C (77°F) and max temperatures reaching 29°C (84°F). However, November is marked by significantly increased rainfall, totaling 205 mm (8.1 in) spread over 24 days, while humidity stays relatively stable at 69%. For more detailed insights into November weather, you can visit Tanjung weather in November.

In September, the weather is warm with average 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 experiences moderate rainfall, totaling 41 mm (1.6 in) over 15 days, with humidity at 71%. In contrast, December sees slightly higher temperatures, with a minimum of 25°C (78°F), an average of 27°C (81°F), and a maximum reaching 30°C (86°F). However, December is significantly wetter, receiving 238 mm (9.4 in) of precipitation over 27 days, accompanied by a similar humidity level of 72%. For a more detailed look at the December climate, you can visit Tanjung weather in December.

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Conclusion: What to Expect From September Weather in Tanjung

In September, Tanjung experiences a delightful shift in weather, marked by a comfortable average temperature of around 26°C (79°F), making it a cozy choice for outdoor activities. Compared to the preceding months, this period typically sees a moderate decrease in humidity and a more balanced rainfall pattern, with light precipitation mainly scattered across 15 days. While the chance of rain remains, it’s considerably less than during the peak rainy season, allowing for more sunny days to bask in the beautiful surroundings. For a comprehensive look at the climate nuances in this tropical paradise, be sure to explore Tanjung Climate.