Last updated: August 21, 2025
Experience the tropical charm of Raas, Indonesia in September, where the average temperature hovers around a warm 27°C (81°F). With daily highs reaching up to 28°C (84°F) and lows of 25°C (78°F), the climate is perfect for outdoor adventures. Although the month sees about 45 mm (1.8 in) of rainfall across 7 days, the humidity levels remain at a comfortable 74%, enhancing the lush greenery of the island. September in Raas offers a delightful balance of warmth and refreshing rain, inviting visitors to explore its natural beauty.
In September, Raas, Indonesia, continues to enjoy a tropical embrace, with temperatures settling comfortably around a minimum of 25°C (78°F) and an average of 27°C (81°F). As the month progresses, the peak temperatures slightly dip to a maximum of 28°C (84°F), reflecting a subtle transition towards the wetter season ahead. This trend in September mirrors the consistent warmth seen throughout the year, with only slight fluctuations. The steady warmth, coupled with the island’s natural beauty, makes September an ideal time for lovers of tropical climates to explore Raas, as the evenings remain balmy and inviting.
September in Raas, Indonesia marks a transition in the climatic landscape, showcasing a modest precipitation total of 45 mm (1.8 in) over seven rainy days. While this month records a slight increase from the arid August, it pales in comparison to the deluges experienced in earlier months, particularly the wettest January and December, which both exceed 350 mm. The diminishing rainfall pattern observed since the peak wet season reflects a gradual shift towards drier conditions, as seen in July's mere 71 mm (2.8 in) followed by August's notable drop to 23 mm (0.9 in). As Raas moves toward October, anticipation builds for an uptick in rain once again, setting the stage for a dynamic weather cycle throughout the remainder of the year.
As September rolls into Raas, Indonesia, the air begins to feel a bit less thick, with humidity levels dipping to 74%, the lowest of the year. This subtle decline marks a noteworthy trend as the months progress from the wetter start of the year. From a peak of 82% in February, humidity gradually eases down, showcasing a shift towards a drier climate as the region transitions into the latter half of the year. With October nudging humidity back up slightly to 75%, it’s a reminder that while the air may feel fresher, the tropical essence of Raas remains ever-present. The consistent humidity fluctuations throughout the year highlight the rhythmic dance of the region's climate, inviting both residents and visitors to experience its dynamic environment.
As September rolls around in Raas, Indonesia, the UV Index registers at a striking 15, categorizing it as extreme and maintaining a burn time of just 10 minutes. This trend of high UV exposure continues from the preceding months, with the index consistently remaining above 11 from May through October. Notably, both September and October share the same UV Index, indicating that island sun-seekers should remain vigilant, as the risk of harm from unprotected sun exposure is ever-present. To stay informed and plan your outdoor activities wisely, check the detailed Raas UV Index for the latest updates.
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As the calendar turns to September, Raas, Indonesia, basks in the glorious sun with 304 hours of sunshine, maintaining a delightful balance seen over the previous months. This month marks a continuation of the sunny streak that began in late spring, peaking in August with an impressive 317 hours. The trend indicates a consistent favorability for sunshine, especially during the second half of the year, where bright days contribute to a vibrant atmosphere. Following September, October promises a similarly sunny disposition, making this part of the year particularly inviting for sunseekers and nature lovers alike. With the sun’s warm embrace lingering through the months, Raas stands as a beacon of brightness and vitality.
As September rolls around in Raas, Indonesia, the likelihood of sunny weather reaches 28%, marking a noticeable dip from the more vibrant months of April and May, which boast sunny chances of 43% and 41%, respectively. This mid-year slump shows a trend where the chances of sun start to decline as the island transitions from the dry season into the wetter months. Although September still offers better chances for sun compared to the following months of October and November, where the likelihood drops further to 28% and 6%, the lingering essence of summer is fading. This pattern highlights the importance of timing for those seeking sunny escapes, as the vibrant weather of earlier months gives way to the incoming rainy season.
In Raas, Indonesia, September marks a transition back to longer daylight hours, with the day extending to a full 12 hours. This pattern aligns with the earlier months of the year—January through March—when daylight consistently spans half a day. As the tropical cycle unfolds, daylight diminishes to 11 hours from April to August, creating a subtle shift in the island's atmosphere. However, as the calendar turns to September, there’s a refreshing return to that brightness, foreshadowing the continuation of this lengthier daylight into October and beyond. This rhythmic variation not only enhances the natural beauty of Raas but also influences the vibrant life and activities that thrive in sync with the sun.
In September in Raas, Indonesia, the winds maintain a moderate average speed of 6.3 m/s (14 mph), marking a slight dip from the breezier months of August and July, which boasted speeds of 7.2 m/s and 6.8 m/s respectively. This transition reflects a cooling trend as the region shifts from the peak wind months of late summer into the calmer conditions of early fall. Notably, the overall pattern highlights a gradual decline in wind speeds as the year progresses; after September, the winds continue to weaken, reaching their lowest in November at just 2.7 m/s (6 mph). This seasonal ebb invites a sense of tranquility, perfect for reflection and enjoying the serene beauty of Raas.
Weather in Raas varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Raas, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in September and January, both months exhibit similar warm temperatures, with September seeing a minimum of 25°C (78°F) and an average of 27°C (81°F), while January's temperatures range from a minimum of 25°C (78°F) to a maximum of 29°C (85°F). However, January experiences significantly higher precipitation, totaling 360 mm (14.2 in) over 25 days, compared to September’s 45 mm (1.8 in) over just 7 days. Additionally, humidity levels are slightly higher in January at 80%, compared to September's 74%. For more detailed information, you can check Raas weather in January.
When comparing the weather in September and February, both months maintain a similar average temperature of around 27°C (81°F) with minimum temperatures hovering at 25°C (78°F). However, February is slightly warmer, reaching a maximum of 29°C (85°F) compared to September's maximum of 28°C (84°F). The most significant difference lies in precipitation: February experiences substantially higher rainfall, with 293 mm (11.5 in) over 26 days, compared to September's 45 mm (1.8 in) over 7 days. Additionally, humidity is higher in February at 82%, versus 74% in September. For more specific details on February weather, you can check Raas weather in February.
In comparing the weather between September and March, both months exhibit a similar temperature range, with minima around 25°C (78°F) and averages close to 27°C (81°F). However, March tends to be slightly warmer, reaching a maximum of 29°C (85°F) compared to September's 28°C (84°F). September is characterized by moderate precipitation, totaling 45 mm (1.8 in) over seven days, while March experiences significantly heavier rainfall, with 254 mm (10.0 in) spread over 28 days, resulting in much higher humidity levels at 81% compared to September's 74%. For more detailed information, you can explore Raas weather in March.
In comparing the weather of September and April, we see notable differences in temperature, precipitation, and humidity levels. September features a more stable climate, with average temperatures ranging from 25°C (78°F) to a maximum of 28°C (84°F) and a total precipitation of 45 mm (1.8 in) over 7 days. In contrast, April tends to be slightly warmer, with minimum temperatures starting at 25°C (77°F) and highs reaching 30°C (86°F), but it experiences significantly higher rainfall, totaling 189 mm (7.5 in) spread across 23 days. Additionally, April's humidity is slightly higher at 79%, compared to September's 74%. For more detailed insights into April's weather, you can visit Raas weather in April.
When comparing the weather in September and May, both months showcase warm temperatures, with September having a minimum of 25°C (78°F) and an average of 27°C (81°F), while May features slightly warmer conditions with a minimum of 25°C (78°F) and an average of 28°C (83°F). However, May is noticeably wetter, experiencing 126 mm (5.0 in) of precipitation over 18 days, compared to September's 45 mm (1.8 in) over just 7 days. Both months maintain high humidity levels, but May's humidity of 77% is marginally higher than September's 74%. This contrast highlights the shift towards a wetter season in May. For more detailed insights into May's weather patterns, you can check Raas weather in May.
In comparing the weather of September and June, both months share similar minimum temperatures averaging around 25°C (77-78°F), creating a warm atmosphere. However, June tends to be slightly hotter during the peak with an average maximum of 29°C (85°F) compared to September's 28°C (84°F). Precipitation levels also differ significantly, with June experiencing heavier rainfall at 120 mm (4.7 in) over 16 days, while September sees only 45 mm (1.8 in) over 7 days. The humidity is slightly higher in June at 79%, compared to 74% in September, contributing to a more tropical feel. For a more detailed look at June weather, you can check Raas weather in June.
In comparing the weather of September and July, both months exhibit similar temperature ranges, with minimum temperatures around 25°C (78°F) and average temperatures of 27°C (81°F). However, July tends to be slightly warmer at its maximum temperature of 29°C (84°F), compared to September's peak of 28°C (84°F). Precipitation is more prevalent in July, with 71 mm (2.8 in) falling over 10 days, whereas September sees less rainfall at 45 mm (1.8 in) over 7 days. Additionally, humidity levels are higher in July at 79%, compared to September's 74%. For more details on July's weather, you can visit Raas weather in July.
In comparing the weather from August to September, both months experience similar temperature patterns, with minimums around 25°C (78°F), averages of 27°C (81°F), and maximums reaching up to 28°C (84°F) in September and 28°C (83°F) in August. However, September experiences significantly more precipitation at 45 mm (1.8 in) over 7 days, compared to August's 23 mm (0.9 in) over just 5 days. The humidity also shows a slight decrease in September at 74%, compared to 77% in August. For a more detailed look at August weather in Raas, visit Raas weather in August.
In September, temperatures start at a minimum of 25°C (78°F) and reach an average of 27°C (81°F), peaking at a maximum of 28°C (84°F). The month sees around 45 mm (1.8 in) of precipitation over about 7 days, with humidity levels at 74%. In contrast, October exhibits slightly warmer conditions, with an average temperature rising to 28°C (82°F) and a maximum of 29°C (85°F). Precipitation increases to 64 mm (2.5 in) spread over 9 days, and humidity remains relatively stable at 75%. For a detailed look at how the weather unfolds in October, you can refer to Raas weather in October.
In September, the weather is typically warm with averages around 27°C (81°F) and maximum temperatures reaching 28°C (84°F). The month sees moderate rainfall, with about 45 mm (1.8 in) of precipitation spread over 7 days, resulting in a humidity level of 74%. In contrast, November experiences slightly warmer temperatures, with an average of 28°C (82°F) and a maximum of 29°C (85°F). However, this month is significantly wetter, receiving 274 mm (10.8 in) of rain over 21 days, while humidity remains relatively consistent at 73%. For more detailed information on November weather, visit Raas weather in November.
In September, the weather on Raas features warm temperatures, with a minimum of 25°C (78°F) and an average of 27°C (81°F), peaking at 28°C (84°F). The month experiences moderate rainfall, totaling 45 mm (1.8 in) over about 7 days, while maintaining a consistent humidity level of 74%. In contrast, December sees a slight increase in temperatures, with a maximum reaching 30°C (85°F) and an average of 27°C (82°F). However, it also brings significant rainfall, with precipitation soaring to 376 mm (14.8 in) over nearly the entire month, with rain on approximately 30 days, while humidity remains stable at 74%. For more details on December weather specifics, you can check this link: Raas weather in December.
As September rolls in, Raas experiences a delightful transition in its weather, characterized by warm temperatures averaging around 27°C (81°F) and a slight uptick in humidity at 74%. This month stands apart from the hotter summer months, offering slightly cooler evenings while still maintaining a pleasant warmth during the day. While light rain graces the island with about 45 mm of precipitation over seven days, it brings a refreshing contrast to the typically drier periods, making September an ideal time for travelers seeking lush landscapes and vibrant greenery. For a deeper look into the climate patterns throughout the year, visit Raas Climate.