Last updated: August 21, 2025
In September, Batu, Indonesia experiences a delightful climate characterized by a maximum temperature of 31°C (87°F) and a comfortable average of 23°C (73°F). The weather is generally mild, accompanied by a minimum temperature of 14°C (58°F). While the region sees 42 mm (1.7 in) of precipitation across about 7 rainy days, the humidity level hovers around 70%, adding a touch of tropical warmth to the atmosphere. This blend of temperatures and moisture creates a vibrant environment, making September an ideal time to explore the natural beauty of Batu.
In September, Batu, Indonesia, experiences a gentle transition as it welcomes slightly warmer weather, with temperatures peaking at 31°C (87°F). The minimally cool nights, dropping to 14°C (58°F), provide a refreshing contrast to the daytime heat, while the average temperature settles cozy at 23°C (73°F). This month marks a subtle rise from the cooler depths of winter, hinting at the onset of the hotter season ahead. Overall, September serves as a delightful bridge, blending the last whispers of the cooler months with the approach of summer, making it an ideal time for outdoor explorations amidst Batu's stunning landscapes.
In September, Batu, Indonesia experiences a notable shift in precipitation as it transitions from the drier months of July and August. With an average rainfall of 42 mm (1.7 in) over just seven days, this month marks one of the lighter precipitation periods of the year. After several months of minimal rainfall, September serves as a subtle reminder of the wet season ahead, leading into October's spike of 141 mm (5.5 in). This pattern reflects a gradual buildup of moisture, paving the way for the characteristic rains that dominate the final quarter of the year. The transition underscores Batu's dynamic climate, where the lush greenery flourishes in response to the impending seasonal shifts.
In Batu, Indonesia, September marks a notable shift in humidity levels, with a recorded rate of 70%, the lowest point in the year. This month continues a downward trend from the higher humidity peaks seen earlier in the year, such as 86% in February and 84% in March. As the dry season unfolds, humidity gradually decreases from August’s 74%, giving way to a more comfortable atmosphere perfect for outdoor activities. The consistent decline in humidity during these months highlights a transition into the drier part of the year, setting the stage for a refreshing change in the region's weather patterns.
In September, Batu, Indonesia experiences an extreme UV Index of 14, which maintains the year's trend of significantly high solar exposure. This persistent level, alongside that of preceding months, underscores the necessity for meticulous sun protection—particularly since the burn time is a mere 10 minutes. As the year transitions into the final quarter, expect this intensity to remain consistent, with October and November also recording a UV Index of 14. As a reminder, it's crucial to stay informed and safeguard your skin. For more detailed insights on UV levels, visit Batu UV Index.
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September in Batu, Indonesia, shines brightly with 302 hours of sunshine, solidifying its position as a delightful month for sun-seekers. This tropical paradise exhibits a remarkable trend from the start of the year, consistently gaining daylight as it transitions from January’s 212 hours to August’s peak of 312 hours. Although September sees a slight dip from August, the abundant sunshine still contributes to the region's allure, making it an ideal time for outdoor adventures and exploring its stunning landscapes. As the year progresses towards October, the sunshine remains plentiful, ensuring that Batu continues to bask in the warm embrace of its tropical climate.
September in Batu, Indonesia, offers a moderate chance of sunny weather, with 26% likelihood for clear skies. The trend leading into this month shows a gradual increase in sunshine, peaking in the mid-year, where July and August boast significantly higher chances at 49% and 44%, respectively. Following the peak summer months, September experiences a slight dip but remains relatively favorable compared to the earlier months of the year, where sunny days are scarce. As the region transitions into the wetter months of October and November, with only a 21% and 3% chance of sunshine respectively, September stands out as a promising window for those looking to enjoy the outdoors.
As the seasons transition in Batu, Indonesia, September brings a return to a more abundant 12 hours of daylight, marking a significant shift from the previous months. This month is part of a trend where daylight duration tends to stabilize, with January through August experiencing a consistent 12 to 11 hours, while the latter part of the year returns to 12 hours from October through December. This rhythmic pattern not only highlights the region's equatorial climate but also signifies a reliable balance of day and night, inviting both locals and visitors to enjoy the vibrant natural landscapes throughout the year.
As September arrives in Batu, Indonesia, the winds continue to exhibit their gentle nature, with an average speed of 1.1 m/s (3 mph). This marks a slight decrease from the invigorating breezes of August, yet still maintains the consistent low pace characteristic of the region throughout much of the year. The wind speeds have remained relatively stable from July onward, oscillating between 1.0 to 1.2 m/s, suggesting that the tranquil atmosphere of Batu is a soothing constant as the year transitions into its latter months. Communities and visitors alike can enjoy these gentle winds, perfect for outdoor activities while embracing the serene ambiance of this beautiful locale.
Weather in Batu varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Batu, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January exhibit distinct weather patterns. In September, temperatures range from a minimum of 14°C (58°F) to a maximum of 31°C (87°F), with an average of 23°C (73°F). The month sees relatively moderate rainfall, totaling 42 mm (1.7 in) over about 7 days, and humidity levels around 70%. In contrast, January experiences warmer nights with a minimum temperature of 19°C (66°F) and a slightly cooler maximum of 30°C (86°F), with the same average temperature as September. However, January is significantly wetter, with precipitation reaching 481 mm (18.9 in) over 25 days and higher humidity at 82%. For more detailed information, check out Batu weather in January.
September and February present contrasting weather conditions. In September, temperatures range from a minimum of 14°C (58°F) to a maximum of 31°C (87°F), with an average of 23°C (73°F). The month experiences relatively low precipitation at 42 mm (1.7 in) over about 7 days, along with a humidity level of 70%. In contrast, February sees warmer temperatures with a minimum of 18°C (65°F) and an average of 22°C (73°F), peaking at 30°C (86°F). However, February is significantly wetter, receiving 564 mm (22.2 in) of rain across 27 days, and the humidity rises to 86%. For more specific details on February conditions, you can explore Batu weather in February.
In September, the weather is characterized by warm temperatures, with a minimum of 14°C (58°F) and a maximum of 31°C (87°F), averaging a pleasant 23°C (73°F). The precipitation is relatively low at 42 mm (1.7 in) over 7 days, with humidity around 70%. In contrast, March brings warmer nights with a minimum temperature of 18°C (64°F), while the maximum reaches 29°C (85°F), maintaining the same average temperature of 23°C (73°F). However, March is significantly wetter, with an impressive 532 mm (20.9 in) of rainfall spread over 30 days, leading to higher humidity levels at 84%. For a detailed look at the weather in Batu during March, you can check this link: Batu weather in March.
When comparing the weather in September to that of April, notable differences emerge. September features a pleasant average temperature of 23°C (73°F), with daytime highs peaking at 31°C (87°F) and relatively low precipitation of 42 mm (1.7 in) over just 7 days. In contrast, April offers slightly cooler temperatures with a minimum of 16°C (61°F) and a maximum of 29°C (85°F), but it is considerably wetter, experiencing a staggering 327 mm (12.9 in) of rainfall across 27 days. Additionally, April's humidity is slightly higher at 80%, compared to September's 70%. For more insights into April's climate, you can visit Batu weather in April.
In comparing the weather between September and May, we notice some distinct differences. September generally enjoys milder temperatures, with a minimum of 14°C (58°F) and a maximum of 31°C (87°F), while May starts off slightly warmer with a minimum of 16°C (62°F) and a maximum of 30°C (86°F). Both months have similar average temperatures around 23°C (73°F), but May tends to be wetter, with a significant increase in precipitation to 122 mm (4.8 in) over 20 days, compared to September's 42 mm (1.7 in) over just 7 days. Additionally, humidity levels are higher in May at 81%, compared to September's 70%. For more information about May weather, you can visit Batu weather in May.
September and June showcase distinct weather patterns, despite their similar minimum temperatures of 14°C (58°F). In September, the average temperature rises to 23°C (73°F), while June sees a slightly cooler average of 22°C (72°F). Both months experience fairly warm maximum temperatures, with September reaching up to 31°C (87°F) and June peaking at 29°C (84°F). However, June is notably wetter, recording 79 mm (3.1 in) of precipitation over 16 days, compared to September's 42 mm (1.7 in) across just 7 days. Additionally, June's humidity is higher at 81%, contrasted with September's 70%. For more detailed information on June weather, visit Batu weather in June.
In comparing the weather of September and July, we see some notable differences. September typically enjoys slightly warmer temperatures with an average of 23°C (73°F), compared to July's average of 22°C (71°F). Both months start with similar minimum temperatures around 14°C (58°F), but September reaches a higher maximum of 31°C (87°F) versus July's 29°C (84°F). Precipitation in September is also higher at 42 mm (1.7 in) compared to July's 31 mm (1.2 in), although both months experience rain on about 7 days. Additionally, September has a lower humidity level of 70%, while July tends to be more humid at 78%. For a more detailed overview of July's weather, you can refer to Batu weather in July.
In comparison to August, September brings slightly warmer temperatures, with an average of 23°C (73°F) compared to August's 22°C (72°F). The maximum daily temperature in September can reach up to 31°C (87°F), while in August, it peaks at 29°C (85°F). Both months see similar levels of precipitation, with September experiencing 42 mm (1.7 in) over seven days and August recording 27 mm (1.1 in) also over seven days. Additionally, September's humidity is slightly lower at 70%, compared to 74% in August. For a detailed view of August's weather, visit Batu weather in August.
In September, temperatures range from a minimum of 14°C (58°F) to a maximum of 31°C (87°F), with an average of 23°C (73°F). The month witnesses around 42 mm (1.7 in) of precipitation over 7 days, accompanied by a humidity level of 70%. In contrast, October sees slightly higher temperatures, with minima of 17°C (62°F) and maxima reaching 32°C (90°F), leading to an average temperature of 24°C (75°F). However, October also brings significantly more rainfall, amounting to 141 mm (5.5 in) over 14 days, and the humidity remains relatively steady at 72%. For more detailed information, visit Batu weather in October.
In September, temperatures tend to range between a minimum of 14°C (58°F) and a maximum of 31°C (87°F), with an average temperature of 23°C (73°F). The month receives approximately 42 mm (1.7 in) of precipitation over about 7 days, resulting in a humidity level of around 70%.
In contrast, November experiences slightly warmer nights with a minimum temperature of 18°C (64°F) and hotter daytime conditions, reaching a maximum of 33°C (92°F). The average temperature remains consistent at 23°C (74°F), but the month is significantly wetter, receiving around 360 mm (14.2 in) of rain over 25 days, along with a slight increase in humidity to 73%. For more detailed insights, check out Batu weather in November.
In September, the weather is characterized by a pleasant average temperature of 23°C (73°F), with daily highs reaching up to 31°C (87°F) and lows dropping to about 14°C (58°F). The month sees relatively low precipitation at 42 mm (1.7 in) over approximately 7 days, along with a humidity level of around 70%.
In contrast, December experiences slightly warmer temperatures with a minimum of 18°C (64°F) and a maximum of 32°C (90°F), while maintaining a similar average of 23°C (74°F). However, December is significantly wetter, with total precipitation soaring to 447 mm (17.6 in) spread across 30 days and higher humidity levels of 75%. For more details on December weather, visit Batu weather in December.
As September rolls in, Batu experiences a unique blend of warmth and comfort, setting it apart from the cooler months preceding it. With an average temperature of 23°C, the city begins to embrace the transition towards the more temperate conditions of late spring, offering pleasant days with just a few rainy spells—about seven days of light showers totaling 42 mm of precipitation. The humidity hovers at a comfortable 70%, making outdoor exploration enjoyable without the oppressive heat typical of summer. This month stands as a perfect time for visitors to experience the natural beauty of Batu while enjoying its temperate climate. For more insights on weather trends, check out Batu Climate.