Last updated: August 21, 2025
In September, Gunung, Indonesia, experiences a mild tropical climate characterized by average temperatures around 28°C (82°F). The maximum temperature can reach 30°C (87°F), while nighttime lows settle around 25°C (78°F). This month sees minimal rainfall, with only 12 mm (0.5 in) recorded over just two days, contributing to a comfortable humidity level of 72%. Overall, September invites visitors to enjoy warm, pleasant days with just a hint of tropical moisture in the air.
In September, Gunung, Indonesia continues to bask in tropical warmth, with temperatures displaying a delightful consistency. The month sees a minimum temperature of 25°C (78°F), complemented by an average of 28°C (82°F) and a peak reaching 30°C (87°F). This slight uptick from August signals a gradual transition towards slightly warmer days, aligning with the overall trend of the year where temperatures hover comfortably between 25°C (77°F) and 31°C (88°F). Such conditions make September a perfect time for embracing outdoor adventures, as visitors can expect warm, inviting weather ideal for exploring the region's stunning landscapes.
In Gunung, Indonesia, September marks a notable shift in precipitation patterns, with rainfall dropping to just 12 mm (0.5 in) over a mere two days. This minimal amount reflects the drier conditions that typically dominate late winter, following a substantial peak in rainfall in both January and February, where precipitation amounts soar to 306 mm (12.0 in) and 316 mm (12.4 in) respectively. The transition into September showcases a significant decrease from the previous months, as the region prepares for a gradual uptick in rainfall in the coming months, particularly in November when the precipitation jumps back up to 195 mm (7.7 in). This trend reveals a distinct dry spell during the heart of the year, offering a brief reprieve before the heavy rains return, emphasizing the seasonality of Gunung's climate.
September in Gunung, Indonesia, marks a slight dip in humidity levels, averaging 72%, which is part of a broader trend of decreasing humidity observed from July onward. After the peak months of February and March, where humidity soared to 85% and 83%, the subsequent months see a gradual decline, providing a more comfortable atmosphere for both residents and visitors. This transitional phase hints at the onset of a more temperate climate, as August closes with 74% humidity, leading into the relatively drier conditions of October. The overall trend showcases Gunung's unique climate fluctuations, where the wet season recedes, creating a vibrant and refreshing environment as the year progresses.
In September, Gunung, Indonesia experiences a peak UV Index of 15, categorizing it as extreme and maintaining an urgent burn time of just 10 minutes. This month, along with October and November, marks a significant rise in UV levels compared to the cooler months of June and July, where the Index dips to around 11-12. Such consistency emphasizes the year-round intensity of the sun in this region, making sun protection crucial for outdoor activities. As the UV Index trends high even at the onset of the rainy season, it’s vital to stay informed and take necessary precautions to enjoy the stunning landscapes without compromising skin health. For more details, visit Gunung UV Index.
UV Risk Categories
As September graces Gunung, Indonesia, it brings with it a delightful 311 hours of sunshine, continuing the trend of vibrant sunshine seen throughout the month of August, which recorded 322 hours. This peak in sunlight follows a steady climb from the earlier months, where sunshine hours have gradually increased from 228 hours in January to a remarkable 316 hours in July. The consistency of sunny days not only brightens the landscape but also invites outdoor activities and tourism, making it an ideal time to explore the natural beauty of this enchanting region. With the rainy season just around the corner, September's radiant weather serves as a fitting farewell to the dry months, ensuring that residents and visitors alike can soak up the last rays of sunshine before the year transitions.
In Gunung, Indonesia, the likelihood of sunny weather experiences a notable shift throughout the year, peaking in August with a promising 54% chance of sunshine. As summer gives way to the early fall, September sees a slight decline in sunny days, dropping to 34%. This transitional month still offers a decent opportunity for warmth and brightness, especially when compared to the lower chances that plague the latter part of the year, such as November and December, where sunshine plummets to just 7% and 9% respectively. Overall, while September may not boast the highest odds of sun, it stands as a favorable point in a year characterized by fluctuating weather patterns.
In Gunung, Indonesia, the rhythm of daylight dances subtly through the months. At the start of the year, residents bask in a consistent 12 hours of daylight from January through March, creating an ideal environment for outdoor activities. As April arrives, daylight duration dips to 11 hours, maintaining the shorter pattern through the mid-year months of May to August. However, in a refreshing shift, September brings back 12 hours of daylight, reinstating the vibrant energy of the earlier months. This resurgence continues through October and November, before tapering off again in December, where the cycle perpetuates. This pattern reveals a striking balance between the sun’s embrace and the tranquil evenings, highlighting Gunung's unique climatic tapestry.
As we transition into September in Gunung, Indonesia, the average wind speed settles at a gentle 4.2 m/s (9 mph), reflecting a slight dip from the peak summer months. This month typically follows a trend observed throughout the year, where wind speeds begin to moderate after a lively February of 6.7 m/s (15 mph). Comparatively, September's breezes are reminiscent of those in May and June, offering a comfortable backdrop for outdoor activities. As the year progresses towards the calmer months of October and November, with averages dropping to 2.7 m/s (6 mph) and 2.2 m/s (5 mph) respectively, September captures a moment of tranquility, making it a delightful time for both residents and visitors to embrace the serene winds of Gunung.
Weather in Gunung varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Gunung, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is typically warm with an average temperature around 28°C (82°F) and relatively low humidity at 72%. Precipitation is minimal, with only 12 mm (0.5 in) over just two days, making it a drier month. In contrast, January experiences slightly cooler average temperatures, around 27°C (81°F), but significantly higher precipitation, totaling 306 mm (12.0 in) over approximately 25 days. The humidity also rises to 81%, contributing to a more humid and wet atmosphere. For more detailed insights on January weather, you can visit Gunung weather in January.
In September, the weather is characterized by warm temperatures, with a minimum of 25°C (78°F), an average of 28°C (82°F), and a maximum of 30°C (87°F). The month typically experiences light rainfall, with only 12 mm (0.5 in) of precipitation over just 2 days, alongside a humidity level of 72%. In contrast, February sees slightly cooler average temperatures, ranging from a minimum of 25°C (77°F) to a maximum of 29°C (85°F), but it is significantly wetter, receiving 316 mm (12.4 in) of rain over 27 days and experiencing higher humidity at 85%. For more details on the February weather conditions, you can visit Gunung weather in February.
In September, the weather is generally warm with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 30°C (87°F) and an average of 28°C (82°F). The month experiences relatively low precipitation, with only about 12 mm (0.5 in) over 2 days and humidity levels around 72%. In contrast, March sees similar temperatures, with a minimum of 25°C (77°F), an average of 27°C (81°F), and a maximum of 30°C (86°F). However, March is significantly wetter, receiving a staggering 273 mm (10.7 in) of rainfall spread across 29 days, resulting in a higher humidity level of 83%. For more detailed insights into the weather in March, you can visit Gunung weather in March.
In comparing the weather of September and April, both months share similar temperature ranges, with average highs reaching 30°C (87°F) and lows around 24-25°C (76-78°F). However, April is notably wetter, receiving 169 mm (6.7 in) of rain over 21 days, compared to September's much drier 12 mm (0.5 in) over just 2 days. The humidity also tends to be higher in April at 80%, while September experiences a slightly lower humidity level of 72%. For further details on the weather conditions in April, you can refer to Gunung weather in April.
In September, the weather is quite warm, with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 30°C (87°F) and an average of 28°C (82°F). The humidity sits at a comfortable 72%, and the month experiences minimal precipitation, with just 12 mm (0.5 in) over about 2 days. In contrast, May has a similar temperature range, also starting from a minimum of 25°C (78°F) and reaching a maximum of 30°C (86°F), while the average peaks slightly higher at 28°C (83°F). However, May is notably wetter, with precipitation totaling 65 mm (2.6 in) over 10 days, paired with slightly higher humidity at 81%. For a closer look at the weather specifics for May, you can refer to Gunung weather in May.
In comparing the weather of September and June, both months exhibit similar temperature ranges, with minimum temperatures around 25°C (78°F), average temperatures of 28°C (82°F), and maximum temperatures reaching 30°C (87°F in September and 86°F in June). However, June tends to be wetter, with a total precipitation of 58 mm over 9 days, compared to September's modest 12 mm over just 2 days. Additionally, humidity levels are slightly higher in June at 80%, compared to 72% in September. For more detailed information, you can check Gunung weather in June.
In September, the weather tends to be slightly warmer than in July, with average temperatures reaching 28°C (82°F) compared to July's 27°C (81°F). Both months experience similar minimum temperatures of 25°C (78°F), but September boasts a slightly higher maximum of 30°C (87°F) versus July's 29°C (85°F). Precipitation levels are also comparable, with September receiving 12 mm (0.5 in) and July 14 mm (0.6 in), both spread across two rainy days. However, humidity is marginally lower in September at 72%, while July sees a higher level of 78%. For a more detailed look into July’s weather, you can explore Gunung weather in July.
In comparing the weather between August and September, we see slight variations in temperature and precipitation. September experiences a slightly higher average temperature at 28°C (82°F) compared to August's 27°C (81°F), while both months have a minimum temperature of around 25°C (78°F). Interestingly, both months have the same maximum temperature of 30°C (86°F in August and 87°F in September). However, September sees a noticeable increase in precipitation, with 12 mm (0.5 in) over 2 days, whereas August was much drier with only 4 mm (0.2 in) and no recorded rainy days. Humidity levels are also comparable, with September at 72% and August slightly higher at 74%. For more detailed insights on August weather, visit Gunung weather in August.
In September, the weather features warm temperatures with a minimum of 25°C (78°F) and an average of 28°C (82°F), peaking at a maximum of 30°C (87°F). The month experiences low precipitation, totaling just 12 mm (0.5 in) over 2 days, while humidity remains steady at 72%.
In contrast, October presents a slightly warmer situation, with the average temperature increasing to 28°C (83°F) and a maximum reaching 31°C (87°F). However, this month sees a significant rise in rainfall, totaling 42 mm (1.7 in) across 8 days, yet the humidity stays consistent at 72%. For a detailed look at weather conditions specific to the region, you can check out Gunung weather in October.
In comparing the weather between September and November, we see some notable differences. Both months boast similar minimum and average temperatures, with September showing a slightly lower maximum of 30°C (87°F) compared to November's 31°C (88°F). However, November experiences a dramatic increase in precipitation, with 195 mm (7.7 in) over 20 days, in stark contrast to September's 12 mm (0.5 in) across just 2 days. The humidity remains relatively stable between the two months, around 72-73%. For more detailed insights about November weather, you can explore Gunung weather in November.
In September, the weather is warm and relatively dry, with average temperatures ranging from 25°C (78°F) to a maximum of 30°C (87°F) and only 12 mm (0.5 in) of precipitation over just 2 days. The humidity is quite high at 72%, which can make the warmth feel more intense. In contrast, December experiences a shift to a more tropical climate, with temperatures slightly lower, averaging from 25°C (77°F) to a higher maximum of 31°C (88°F). However, December is characterized by heavy rainfall, totaling 308 mm (12.1 in) across 29 days, and slightly increased humidity at 75%. This stark difference highlights the transition from a drier September to a much wetter December. For more details on December weather, check out Gunung weather in December.
As September unfolds in Gunung, the weather transitions smoothly, with pleasantly warm temperatures averaging around 28°C (82°F). Compared to other months, this period offers a delightful reprieve from the heat, with maximum temperatures peaking at 30°C (87°F) and maintaining a minimum of 25°C (78°F). While humidity remains relatively high at 72%, the low precipitation—only 2 days of rain totaling about 12 mm (0.5 in)—sets September apart as a drier month, enabling more opportunities to explore the lush landscapes. For a deeper dive into the region's weather patterns, feel free to check out Gunung Climate.