September Weather in Bogor, Indonesia

Last updated: August 21, 2025

September in Bogor, Indonesia offers a captivating blend of warm temperatures and substantial rainfall. With daily highs reaching up to 34°C (94°F) and an average temperature of 26°C (79°F), the weather is characterized by a tropical warmth. This month sees an average minimum temperature of 20°C (68°F), providing comfortable evenings. However, travelers should be prepared for the 17 days of precipitation that contribute to a total of 141 mm (5.6 in) of rainfall. The high humidity level of 77% adds to the lush and vibrant atmosphere of the region, making Bogor a stunning destination for those who embrace the richness of nature.

September Temperature in Bogor

In September, Bogor, Indonesia experiences a subtle shift in its tropical climate, with temperatures gently rising. The minimum temperature hovers around 20°C (68°F), while the average remains a comfortable 26°C (79°F). As the days progress, residents and visitors can expect maximum temperatures to increase, peaking at 34°C (94°F), which reflects a trend towards the warmer end of the spectrum as the region approaches October. This month serves as a transitional phase, where the rainy season looms just ahead, yet the balmy weather makes it an ideal time to explore the lush surroundings. Overall, September offers a delightful blend of warmth and humidity, characteristic of Bogor's rich tropics.

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

The chart illustrates September temperature patterns in Bogor, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bogor, 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).
JanFebMarAprMayJunJulAugSepOctNovDec777778797979787979797978
Data source: Temperature data for Bogor 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 Bogor

In September, Bogor experiences a noticeable shift in its precipitation patterns, with a recorded 141 mm (5.6 in) of rain across 17 days. This marks a modest increase from the drier months of July and August, where rainfall was significantly lower, measuring only 62 mm (2.4 in) and 87 mm (3.4 in) respectively. The slight uptick in rainfall foreshadows the transition to the wetter months ahead, as October typically showcases a sharper rise to 216 mm (8.5 in) of rain. This trend underscores Bogor's characteristic wet tropical climate, where rainfall gradually intensifies as the year progresses, creating a lush and vibrant environment that the city is famous for.

September Precipitation Trends in Bogor

The chart displays monthly precipitation patterns in Bogor, 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 Bogor, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec2803503293181721106287141216300315
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Bogor

In September, Bogor, Indonesia, experiences a slight dip in humidity with levels averaging 77%, mirroring the trend observed in August. This marks the continuation of a gradual decrease from the higher humidity levels typical in the earlier months, such as January and February, when humidity peaked at 84% and 86% respectively. As the year progresses, there's a notable shift towards drier conditions, with September standing as one of the more comfortable months, featuring consistent humidity levels that pave the way for the upcoming transition into October, which sees a marginal rise to 78%. Overall, September offers a refreshing break from the high humidity of the preceding months, creating a more pleasant atmosphere for residents and visitors alike.

September Average Humidity in Bogor

This chart illustrates the average monthly humidity levels in Bogor, 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 Bogor is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%86%84%81%80%80%79%77%77%78%80%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bogor

In September, Bogor, Indonesia experiences a UV Index of 13, marking it as an extreme exposure month, with a burn time of just 10 minutes. This trend of high UV levels continues from August, where the UV Index reached 11, and persists into October, which sees an even higher Index of 15. Throughout the year, Bogor grapples with consistently high UV readings, particularly from January to April, where it frequently hits extreme levels of 14 to 16. It's essential for residents and visitors alike to remain vigilant against sun exposure during these months. For more details on how to protect yourself from harmful rays, check out the Bogor UV Index.

Maximum UV Index Levels in Bogor for September

The chart shows the monthly maximum UV Index (UVI) for Bogor 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 Bogor typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141616141110101113151413
Data source: Bogor 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 Bogor

September in Bogor, Indonesia, continues the trend of abundant sunshine that peaks during the mid-year months. With 304 hours of sunlight, September maintains a robust light exposure following the sunniest months of July and August, which recorded 314 hours and 317 hours respectively. This gradual warm decline in sunlight as the year approaches its end marks the tail end of Bogor's vibrant dry season, as October's 298 hours indicates a slight decrease. Overall, September's bright days invite exploration and outdoor activities, making it an enchanting time to experience the natural beauty of this lush landscape before the rainy season takes hold.

Monthly Sunshine Duration in Bogor: September Highlighted

The September sunshine duration represents the total number of hours Bogor 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.
JanFebMarAprMayJunJulAugSepOctNovDec213h239h289h283h303h294h314h317h304h298h266h261h
Data source: Bogor September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bogor During September

In Bogor, Indonesia, the likelihood of sunny weather in September shows a moderate 27% chance of sunshine, positioning it comfortably between the more radiant months of July and August, which boast significantly higher chances at 46% and 35%, respectively. The transition from the wetter months of June to September reflects a notable decrease in sunless days, yet September still lags behind the peaks of mid-winter. As the city moves into the latter part of the year, this moderate probability indicates that while the chance for clear skies is decent, visitors should still be prepared for occasional clouds and rain, typical of Bogor's tropical climate. Overall, September offers a balmy blend of sunny spells, making it a pleasant time to explore this lush region, albeit with a chance of rain in the mix.

Percentage of Sunny Days in September in Bogor

The chart illustrates the percentage of sunny days in Bogor 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 Bogor experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec3%5%8%29%29%22%46%35%27%21%6%9%
Data source: Bogor September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bogor in September

In Bogor, Indonesia, the daylight duration exhibits a noteworthy pattern throughout the year. From January to March, residents enjoy a consistent 12 hours of daylight, basking in the sun's glow. As the calendar transitions into the warmer months of April through August, daylight shrinks to 11 hours, offering a slightly shorter yet still pleasant experience. The trend shifts once again in September, where the daylight rebounds back to 12 hours, heralding a return to longer, sunlit days. This rhythmic cycle continues as October through December also maintain that golden 12-hour mark, ensuring that Bogor remains a vibrant oasis of light during the latter part of the year.

Average Daylight Hours in Bogor for September

The chart illustrates the variation in daylight duration in Bogor throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 26m12h 17m12h 7m11h 56m11h 47m11h 44m11h 45m11h 53m12h 3m12h 14m12h 24m12h 29m
Data source: Bogor daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Bogor

In September, the gentle breeze in Bogor, Indonesia blows at an average speed of 1.3 m/s (3 mph), a continuation of the soft winds typical of the previous months. As the dry season transitions toward the heart of fall, this consistent wind pattern—a slight dip from the slightly higher summer months of July and August—invites a sense of tranquility. Throughout the year, wind speeds in Bogor remain relatively calm, with most months hovering around the 3 mph mark, creating an ideal environment for leisurely outdoor activities. This delicate balance persists into October, hinting at a stable climate that keeps the lush landscapes vibrant. Notably, the wind's rhythmic presence not only enhances the region’s natural beauty but also serves as a subtle reminder of the area’s serene charm.

Average September Wind Speed in Bogor

The chart displays monthly wind speed patterns in Bogor, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.41.51.31.31.21.11.41.41.3 m/s1.21.51.4
Data source: Bogor September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Bogor Compares to Other Months

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

September and January present contrasting weather patterns in terms of temperature and precipitation. September typically enjoys milder temperatures, ranging from a minimum of 20°C (68°F) to a maximum of 34°C (94°F), with an average of 26°C (79°F). In contrast, January features slightly warmer minimum temperatures at 21°C (71°F) and a maximum of 32°C (91°F), with an average of 25°C (78°F).

However, January sees a higher level of precipitation, accumulating 280 mm (11.0 in) over 24 rainy days, compared to September's 141 mm (5.6 in) spread across 17 days. Additionally, humidity levels are generally higher in January at 84%, compared to 77% in September, making January feel more muggy. For more detailed insights into January weather, you can check Bogor weather in January.

In comparing the weather conditions of September and February, we observe some notable differences. September typically enjoys a warm climate with average temperatures ranging from a minimum of 20°C (68°F) to a maximum of 34°C (94°F), while February experiences similar temperatures, with a minimum of 21°C (71°F) and a maximum of 32°C (90°F). However, the precipitation levels differ significantly; September sees 141 mm (5.6 in) of rain over 17 days, whereas February is much wetter, with 350 mm (13.8 in) over 27 days, contributing to higher humidity in February at 86% compared to September's 77%. For a deeper look into February's atmospheric conditions, you can check this link: Bogor weather in February.

In comparing the weather between September and March, both months exhibit warm temperatures, with average highs around 26°C (79°F). However, September typically sees a slightly higher maximum temperature, reaching up to 34°C (94°F), while March's maximum is around 32°C (91°F). Precipitation levels are significantly different, with September receiving 141 mm (5.6 in) over 17 days, whereas March experiences much higher rainfall at 329 mm (13.0 in) over 30 days. Additionally, humidity levels are also higher in March, averaging at 84% compared to 77% in September. For more detailed insights, visit Bogor weather in March.

September and April present distinct weather profiles, with both months showcasing warm average temperatures around 26°C (79°F). However, September tends to be slightly warmer with maximum temperatures reaching up to 34°C (94°F), while April sees a peak of 33°C (91°F). Notably, April experiences significantly higher precipitation, totaling 318 mm (12.5 in) over 28 days compared to September's 141 mm (5.6 in) over 17 days. Additionally, humidity levels are marginally higher in April at 81% versus September's 77%, contributing to a more humid atmosphere. For more detailed information, you can check this link: Bogor weather in April.

In comparing the weather of September and May, both months exhibit warm temperatures, with average highs around 26°C (79°F). However, September tends to have slightly lower maximum temperatures, peaking at 34°C (94°F), compared to May's high of 33°C (91°F). Rainfall is more frequent in May, with 172 mm (6.8 in) spread over 24 days, whereas September experiences 141 mm (5.6 in) over 17 days. Humidity remains relatively consistent, with May at 80% and September at 77%. For more detailed information about May weather, check out Bogor weather in May.

In comparing the weather of September and June, both months showcase similar average temperatures, with a minimum of around 20°C (68°F) and an average of 26°C (79°F). However, September experiences slightly higher maximum temperatures, reaching up to 34°C (94°F) compared to June's maximum of 33°C (91°F). Precipitation levels in September are notably higher at 141 mm (5.6 in) over 17 days, while June sees 110 mm (4.3 in) of rain spread over 19 days. Humidity levels are also slightly elevated in June at 80%, compared to 77% in September. For more detailed information on June weather specifically, visit Bogor weather in June.

When comparing the weather in September to that of July, several notable differences emerge. September experiences slightly warmer temperatures, with a minimum of 20°C and a maximum of 34°C, compared to July's range of 19°C to 33°C. Both months maintain an average temperature of 26°C (79°F). However, September sees significantly higher precipitation, totaling 141 mm over 17 days, while July's rainfall is only 62 mm across 13 days. Additionally, humidity levels in both months are similar, with July at 79% and September at 77%. For more detailed information, you can check out Bogor weather in July.

September's weather shows a slight increase in temperature compared to August, with minimum temperatures averaging 20°C (68°F) and maximum temperatures reaching 34°C (94°F), compared to August's minimum of 19°C (67°F) and maximum of 33°C (92°F). The average temperature for both months remains steady at 26°C (79°F). However, September experiences significantly higher precipitation, reaching 141 mm (5.6 in) over 17 days, whereas August recorded 87 mm (3.4 in) over 16 days. Both months share similar humidity levels at 77%. For more details on August's climate, you can check Bogor weather in August.

September and October exhibit similar average temperatures, both hovering around 26°C (79°F), but October sees slightly warmer lows and highs, with minimum temperatures at 21°C (70°F) and maximum temperatures reaching 35°C (95°F). Precipitation is notably higher in October, totaling 216 mm (8.5 in) over 25 days, compared to September's 141 mm (5.6 in) over 17 days. Humidity remains relatively steady, with September at 77% and October at 78%. For more detailed information, you can check out the monthly conditions here: Bogor weather in October.

In September, the weather in Bogor features a comfortable range of temperatures, with a minimum of 20°C (68°F) and an average high of 34°C (94°F). However, it also sees significant rainfall, with 141 mm (5.6 in) over 17 days, accompanied by a humidity level of 77%. In contrast, November presents a slightly warmer atmosphere, starting at a minimum of 21°C (70°F) and peaking at 33°C (93°F) with a similar average of 26°C (79°F). The month is notably wetter, with a total precipitation of 300 mm (11.8 in) spread over 26 days and a slight increase in humidity to 80%. For more detailed information about the weather in Bogor during November, you can visit Bogor weather in November.

When comparing the weather in September and December, it’s evident that both months experience warm temperatures, but with notable differences in precipitation and humidity. In September, temperatures range from a minimum of 20°C (68°F) to a maximum of 34°C (94°F), accompanied by 141 mm (5.6 in) of rainfall over 17 days, resulting in 77% humidity. Conversely, December sees slightly higher temperatures with a minimum of 21°C (70°F) and a maximum of 32°C (91°F), but it also brings significantly more rainfall, totaling 315 mm (12.4 in) over 27 days and a similar humidity level of 79%. Therefore, December is not only a bit cooler but also much wetter than September. For a more detailed look at Bogor's weather in December, you can visit Bogor weather in December.

Compare Bogor's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Bogor

In September, Bogor experiences a distinct shift in weather compared to other months, marked by a comfortable average temperature of 26°C (79°F). This month typically sees a maximum peak of 34°C (94°F), yet evenings cool down to a refreshing 20°C (68°F). While rainfall is frequent, with precipitation occurring on 17 days, the average total of 141 mm (5.6 in) emphasizes the wet season's influence. Combined with a humidity level of 77%, September's weather offers a unique mix of warmth and moisture, setting it apart from the drier periods of the year. For more details on Bogor's weather patterns, visit Bogor Climate.