Last updated: August 21, 2025
In September, Banjarmasin, Indonesia experiences warm tropical weather, with maximum temperatures reaching up to 35°C (95°F) and an average of 27°C (82°F). The evenings provide a respite with minimum temperatures dropping to 22°C (71°F). This month is marked by moderate rainfall, accumulating around 90 mm (3.6 in) over approximately 14 days, contributing to a high humidity level of 79%. Visitors can expect a vibrant atmosphere, though those planning outdoor activities should be prepared for occasional showers.
In September, Banjarmasin, Indonesia, experiences a warm and inviting climate with minimum temperatures hovering around 22°C (71°F) and a pleasant average of 27°C (82°F). The maximum temperature can reach up to 35°C (95°F), marking a slight increase from August's highs. This month continues the trend of stable temperatures prevalent throughout the year, highlighting Banjarmasin’s consistently tropical conditions. As the dry season transitions into a more humid period, September offers a fantastic opportunity to enjoy the lush landscapes and vibrant culture of this unique city.
In September, Banjarmasin experiences a modest precipitation of 90 mm (3.6 inches), marking a slight increase from the previous months of August and July, but still low compared to the heavier rainfall seen earlier in the year. With 14 rainy days, the month continues the trend of gradually ascending precipitation as it transitions into the wet season. This pattern is evident as rainfall begins to intensify leading into October's average of 124 mm (4.9 inches). Overall, September serves as a bridge between the drier summer months and the upcoming, more torrential rains typical of late-year in Banjarmasin, showcasing nature’s rhythm in this vibrant region.
In September, Banjarmasin experiences a noticeable drop in humidity, with levels falling to 79%. This marks a shift from the consistently high humidity levels seen earlier in the year, where figures hovered between 85% and 88% from January to August. The transition into September suggests a gradual easing of the intense tropical climate, paving the way for October, which records even lower humidity at 78%. As the year progresses into the later months, humidity levels slightly rebound, yet they remain lower than the peak values of the first half of the year. This trend illustrates a refreshing change in the weather pattern, offering a brief reprieve from the oppressive moisture characteristic of Banjarmasin's climate.
In September, Banjarmasin continues to experience an extreme UV Index of 14, maintaining the pattern seen throughout the year. Like its preceding months, the crucial burn time remains strictly at 10 minutes, emphasizing the need for protective measures when venturing outdoors. This trend of consistently high UV levels, peaking as high as 16 in March and February, signals that sunlight intensity does not wane significantly as the year progresses. As residents and visitors bask in the vibrant atmosphere of Banjarmasin, it's vital to stay informed and cautious under the sun—find out more about the UV Index in this region by visiting Banjarmasin UV Index.
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September in Banjarmasin, Indonesia, continues the trend of abundant sunshine, boasting 278 hours of sunlight. This marks a slight decrease from the peak of 298 hours in August, yet remains comfortably above the monthly average when compared to earlier months in the year. The sunshine hours have seen a consistent upward trajectory since the start of the year, peaking in the summer months of July and August. As we transition into October, where the forecast suggests 282 hours of sunshine, it’s clear that while September may signal a gentle taper, the sun still graces Banjarmasin with vibrant light, perfect for exploring the city’s rich culture and picturesque waterways.
In Banjarmasin, Indonesia, September experiences a 16% chance of sunny weather, marking a slight dip from the previous month. As the region transitions from the peak dry months of July (34%) and August (20%), the likelihood of sunny days begins to decrease, suggesting a shift towards more variable weather patterns as the wet season approaches. Although September offers a moderate chance of sunshine, it still contrasts sharply with the gloomier months that follow, highlighting the brief windows of brightness that characterize this tropical climate. As visitors consider their timing, the weather trends of Banjarmasin remind us that while sunshine may be less likely in September, moments of clarity shine through the changing seasons.
As the seasons shift in Banjarmasin, Indonesia, September marks a notable return to abundant daylight, featuring approximately 12 hours of sun—a refreshing change following the shorter daylight periods of the preceding months. Throughout the year, the city enjoys a remarkable consistency in daylight hours, with most months basking in around 12 hours of sunshine. However, the slight dip to 11 hours during the mid-year months of May through August offers a subtle reminder of the region's tropical climate. As autumn approaches, September's daylight duration aligns again with the months of January through April, reestablishing a vibrant and sunlit atmosphere for locals and visitors alike to enjoy.
As September rolls in Banjarmasin, Indonesia, the average wind speed settles at a gentle 1.9 m/s (4 mph), mirroring the light breezes of previous months. Following a mild summer, which peaked at 2.1 m/s in both July and August, September's winds exhibit a subtle shift, reflecting a transitional period within the year. This slight decrease is characteristic of the impending shift towards the wetter season, as the city prepares to welcome the rains in the months ahead. Overall, September's winds are part of a broader trend of consistent and calming breezes that dominate the region, creating an inviting atmosphere perfect for enjoying the lush natural beauty of Banjarmasin.
Weather in Banjarmasin varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Banjarmasin, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January both offer warm temperatures, with January slightly warmer at a minimum of 24°C compared to September’s 22°C. Both months average around 27°C, but September reaches higher maximums of 35°C, while January peaks at 34°C. A notable difference lies in precipitation; January is much wetter, receiving 279 mm over 23 days, compared to September's 90 mm over 14 days. Humidity also increases in January, reaching 87%, compared to September’s 79%. For more detailed insights, you can check out Banjarmasin weather in January.
September and February exhibit similar average temperatures, with September averaging 27°C (82°F) and February also at 27°C (81°F). However, February tends to have slightly higher minimum temperatures, while September peaks at a higher maximum of 35°C (95°F) compared to February's 34°C (94°F). Notably, precipitation levels differ significantly; September experiences 90 mm (3.6 in) of rain over 14 days, whereas February sees a much wetter climate with 275 mm (10.8 in) of rain across 24 days. Additionally, humidity levels are higher in February, reaching 87%, compared to September's 79%. For a detailed look at February's weather, you can check Banjarmasin weather in February.
In comparing the weather of September and March, both months exhibit similar average temperatures, typically around 27°C (82°F), with maximums reaching up to 35°C (95°F in September and 96°F in March). However, September tends to be relatively drier with 90 mm (3.6 in) of precipitation over 14 days, whereas March experiences significantly more rainfall, totaling 338 mm (13.3 in) across 28 days. Additionally, humidity levels are higher in March at 88%, compared to 79% in September, contributing to a more humid and wet atmosphere. For more details on the weather specifics, you can check Banjarmasin weather in March.
When comparing the weather in September and April, we see some notable differences. September typically has a minimum temperature of 22°C (71°F) and an average of 27°C (82°F), with a maximum reaching 35°C (95°F). It experiences about 90 mm (3.6 in) of precipitation over approximately 14 days, all under a humidity level of 79%. In contrast, April is slightly warmer, with minimum temperatures starting at 24°C (75°F) and an average of 28°C (82°F), peaking at 34°C (94°F). However, it also sees significantly more rainfall, with around 250 mm (9.9 in) distributed over 26 days and a higher humidity level of 87%. For more specific details, you can refer to Banjarmasin weather in April.
In comparing the weather between September and May, we observe some distinct differences. September typically features temperatures ranging from a minimum of 22°C (71°F) to a maximum of 35°C (95°F), with an average of 27°C (82°F). The month experiences about 90 mm (3.6 in) of precipitation over approximately 14 days, alongside a humidity level of 79%. In contrast, May tends to be slightly warmer with temperatures starting at a minimum of 23°C (74°F), peaking at 34°C (94°F), and averaging 28°C (83°F). However, it is also more prone to rainfall, accumulating around 165 mm (6.5 in) over 24 days, resulting in a higher humidity of 85%. For a more detailed look at May weather specifics, you can check out Banjarmasin weather in May.
In comparing the weather of September and June, we find that both months share similar average temperatures, with September having a minimum of 22°C (71°F) and a maximum of 35°C (95°F), while June has a minimum of 22°C (73°F) and a maximum of 34°C (93°F). However, June tends to be wetter, receiving 145 mm (5.7 in) of precipitation over 18 days, compared to September's 90 mm (3.6 in) over 14 days. Additionally, humidity levels are slightly higher in June at 87%, compared to 79% in September. For more detailed information, you can check Banjarmasin weather in June.
In comparing the weather of September and July, both months experience similar minimum temperatures, averaging around 22°C (71°F). However, September tends to be slightly warmer overall, with a higher maximum temperature of 35°C (95°F) compared to July's maximum of 33°C (92°F). Both months also have considerable precipitation, with September receiving about 90 mm (3.6 in) over 14 days, while July has slightly more rainfall at 95 mm (3.7 in) over 16 days. Furthermore, humidity levels are higher in July at 87%, compared to September's 79%. For additional information about July's weather, you can visit Banjarmasin weather in July.
In comparing the weather conditions between August and September, both months feature similar minimum and average temperatures, with September slightly warmer at a maximum of 35°C (95°F) compared to August's 34°C (94°F). September experiences increased precipitation, totaling 90 mm (3.6 in) over 14 days, while August sees 78 mm (3.1 in) across 12 days. Additionally, humidity levels are notably higher in September at 79%, compared to 86% in August, suggesting a shift towards a more comfortable atmosphere as the transition into fall begins. For a more detailed overview, you can check Banjarmasin weather in August.
In September, the weather in Banjarmasin features a warm range with minimum temperatures around 22°C (71°F) and maximum temperatures reaching up to 35°C (95°F), averaging 27°C (82°F). During this month, precipitation totals around 90 mm (3.6 in) over 14 rainy days, with humidity averages at 79%.
As October rolls in, temperatures slightly increase, with a minimum of 24°C (75°F) and a maximum of 36°C (97°F), resulting in an average of 28°C (83°F). However, the rain also becomes more frequent, accumulating 124 mm (4.9 in) over 19 days, while humidity remains relatively steady at 78%. For more detailed information, you can visit Banjarmasin weather in October.
In September, the weather features warm temperatures with a minimum of 22°C (71°F) and an average of 27°C (82°F), reaching a high of 35°C (95°F). While it’s relatively dry with 90 mm (3.6 in) of precipitation over 14 days, humidity remains high at 79%. In contrast, November brings slightly warmer conditions, with temperatures ranging from a minimum of 23°C (74°F) to an average of 28°C (82°F) and a maximum of 34°C (93°F). However, November is significantly wetter, experiencing a hefty 274 mm (10.8 in) of rainfall over 27 days, along with a slight increase in humidity to 81%. For a deeper insight into the weather specifics for this month, you can check Banjarmasin weather in November.
In September, the weather is warm with average temperatures around 27°C (82°F), peaking at 35°C (95°F) and a significant humidity of 79%. However, it experiences less rainfall with a total precipitation of 90 mm (3.6 in) spread over about 14 days. In contrast, December maintains a similar average temperature of 27°C (81°F) but sees a rise in the minimum temperature to 24°C (75°F) and a maximum of 34°C (94°F). The month is characterized by much heavier rainfall, totaling 330 mm (13.0 in) across 30 days, coupled with increased humidity at 85%. For more detailed insights, you can check Banjarmasin weather in December.
September in Banjarmasin brings a unique blend of warmth and moisture that sets it apart from the rest of the year. With temperatures comfortably hovering around an average of 27°C, the month showcases hot days that can peak at a sizzling 35°C, making it one of the warmer periods. However, this is also a time of increased rainfall, as the city experiences about 90 mm of precipitation over approximately 14 days, contributing to the high humidity levels of 79%. The combination of heat and moisture creates a distinct tropical atmosphere, making September a time of lush greenery and vibrant life. For more insights on the climate in this enchanting city, visit Banjarmasin Climate.