September Weather in Magelang, Indonesia

Last updated: August 21, 2025

In September, Magelang, Indonesia experiences a dynamic climate characterized by a maximum temperature of 31°C (88°F) and an average of 23°C (73°F), offering warm but pleasant days. The minimum temperature dips to a cool 15°C (60°F) during the evenings, providing a refreshing contrast. With 116 mm (4.6 in) of rainfall spread across about 19 days, this month is marked by substantial precipitation, contributing to the region's lush greenery. Coupled with a humidity level of 70%, conditions can feel quite tropical, making September a vibrant time for enjoying the area's natural beauty.

September Temperature in Magelang

In September, Magelang, Indonesia experiences a comfortable transition as temperatures begin to settle. The minimum temperature hovers around 15°C (60°F), providing a refreshing start to the day, while the average remains at a pleasant 23°C (73°F), perfect for outdoor exploration. The maximum temperature reaches up to 31°C (88°F), reflecting the area's warm climate typical of this time of year. Compared to the cooler months of July and August, September marks a subtle increase, signaling the approach of the hotter season, yet still offering a delightful balance of warmth and mildness. This creates an inviting atmosphere for visitors keen on experiencing the natural beauty and cultural richness of Magelang.

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

The chart illustrates September temperature patterns in Magelang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Magelang, 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).
JanFebMarAprMayJunJulAugSepOctNovDec747475757574727273747475
Data source: Temperature data for Magelang 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 Magelang

In September, Magelang, Indonesia experiences a noticeable shift in precipitation patterns, with an average of 116 mm (4.6 in) of rainfall across 19 days. This marks a comeback from the drier months of July and August, which recorded just 44 mm and 45 mm respectively. As the region transitions deeper into the wet season, September sets the stage for increased rainfall that will continue into the months ahead, notably peaking again in November at 389 mm (15.3 in). This gradual uptick not only revitalizes the lush landscapes but also prepares the area for the heavier downpours typical of the approaching October and November periods. Such trends highlight the dynamic nature of Magelang's climate, with September serving as a pivotal month in the annual precipitation cycle.

September Precipitation Trends in Magelang

The chart displays monthly precipitation patterns in Magelang, 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 Magelang, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3664533743181411254445116198389404
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Magelang

In September, Magelang, Indonesia experiences a noticeable dip in humidity levels, dropping to 70%—the lowest point of the year. This decline marks the beginning of a drier phase as the rainy season approaches. Leading up to September, the humidity was steadily high, peaking in February at a striking 86% and gradually decreasing through the summer months. The trend of decreasing humidity throughout the year showcases a shift from the intense moisture of the wet season to more comfortable, breathable conditions, making September a refreshing transition towards the slightly cooler months ahead.

September Average Humidity in Magelang

This chart illustrates the average monthly humidity levels in Magelang, 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 Magelang is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%86%84%80%81%81%78%74%70%72%73%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Magelang

In September, Magelang experiences an UV Index of 15, maintaining its status within the extreme exposure category, which means a burn time of just 10 minutes. This month showcases a trend typical for the region; after peaking early in the year, the index slightly fluctuated before climbing back to higher levels in both September and October. The consistency of high UV indices throughout the year underlines the importance of sun protection in Magelang, especially for outdoor activities. As the UV Index stays extreme, residents and visitors should remain vigilant and take necessary precautions. For more detailed information on UV levels throughout the year, check out Magelang UV Index.

Maximum UV Index Levels in Magelang for September

The chart shows the monthly maximum UV Index (UVI) for Magelang 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 Magelang typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151616141310111315161514
Data source: Magelang 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 Magelang

As September rolls in, Magelang, Indonesia basks in an impressive 307 hours of sunshine, marking a slight decline from the peak summer months of July and August, both enjoying an equal share of 316 hours. This transition into fall still offers plenty of bright days, reflecting a general upward trend in sunlight hours that begins at the start of the year. With hours of sunshine steadily increasing from 204 in January to a summer high, September’s generous rays hint at the lingering warmth before the approaching rainy season. This pattern not only enriches the landscape but also provides the perfect backdrop for exploration and outdoor activities in this vibrant region.

Monthly Sunshine Duration in Magelang: September Highlighted

The September sunshine duration represents the total number of hours Magelang 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.
JanFebMarAprMayJunJulAugSepOctNovDec204h248h283h289h303h298h316h316h307h310h256h275h
Data source: Magelang September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Magelang During September

In Magelang, Indonesia, the likelihood of sunny weather experiences a notable shift throughout the year. As we transition into September, the chance of sunny days stands at 18%, placing it below the seasonal peak observed in July (34%) and dipping further into the wetter months ahead, such as October (9%). This indicates a decline from the sunnier days of early summer and highlights the region’s characteristic transition into the rainy season. While September does not boast the highest sun chances, it still offers a moderate opportunity for clear skies compared to the wetter months of November and December, making it a relatively pleasant time to visit, albeit with the possibility of sporadic rain.

Percentage of Sunny Days in September in Magelang

The chart illustrates the percentage of sunny days in Magelang 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 Magelang experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec1%3%5%21%24%22%34%26%18%9%3%4%
Data source: Magelang September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Magelang in September

In Magelang, Indonesia, September marks a return to a more generous 12 hours of daylight, reminiscent of the earlier months in the year. Following several months of reduced daylight during the April to August transition, the lengthening days in September signal the approach of October and the promise of a consistent 12 hours again through the end of the year. This rhythmic pattern highlights a fascinating balance between the longer, sunnier days typical of the first half of the year and the slight dip in daylight during the mid-year months. As the seasons shift, the people of Magelang can look forward to the familiar brightness that September brings, fostering a sense of continuity and connection to nature's cycles.

Average Daylight Hours in Magelang for September

The chart illustrates the variation in daylight duration in Magelang throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 29m12h 19m12h 7m11h 55m11h 45m11h 40m11h 43m11h 51m12h 2m12h 15m12h 26m12h 32m
Data source: Magelang daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Magelang

As September unfolds in Magelang, Indonesia, a gentle breeze graces the landscape with an average wind speed of 1.4 m/s (3 mph). This mild wind reflects a trend that begins to strengthen as the year progresses, peaking in the late summer months. Notably, the wind speed sees a gradual increase from the calmer days of early spring, where it hovers around 1.0 m/s, culminating in the more invigorating gusts of late summer—July and August—with averages of 1.3 m/s and 1.5 m/s respectively. Even as September retains some of that summer's vigor, the wind begins to ease slightly in anticipation of the shifting season, hinting at the gentle transitions that characterize the Indonesian climate. This consistent yet subtle pattern invites locals and visitors alike to experience a serene mythical ambiance as the soft whispers of the wind weave through the lush surroundings.

Average September Wind Speed in Magelang

The chart displays monthly wind speed patterns in Magelang, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.11.11.01.01.00.91.31.51.4 m/s1.51.11.2
Data source: Magelang September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Magelang Compares to Other Months

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

In September, the weather typically features milder temperatures, with a minimum of 15°C (60°F) and an average of 23°C (73°F), alongside a maximum of 31°C (88°F). The month sees considerable rainfall, accumulating to 116 mm (4.6 in) over 19 days, with a humidity level around 70%. In contrast, January experiences slightly warmer temperatures, with a minimum of 19°C (66°F) and an average of 24°C (75°F), while still reaching the same maximum of 31°C (88°F). However, January is notably wetter, receiving a total of 366 mm (14.4 in) over 24 days and a higher humidity level of 82%. For more specific details, you can check Magelang weather in January.

September and February both showcase warm temperatures, with average highs reaching 31°C (88°F). However, September tends to have slightly cooler mornings, with a minimum temperature of 15°C (60°F), compared to February's warmer minimum of 19°C (67°F). Precipitation is significantly higher in February, totaling 453 mm (17.8 in) over 27 days, while September receives 116 mm (4.6 in) over just 19 days. The humidity also rises in February, with levels reaching 86% compared to September's 70%. For a more detailed look at February conditions, check out Magelang weather in February.

September and March present contrasting weather conditions. In September, the temperatures range from a minimum of 15°C (60°F) to a maximum of 31°C (88°F), with an average of 23°C (73°F). While the month experiences some rainfall, totaling 116 mm (4.6 in) over 19 days, humidity hovers around 70%. Conversely, March is warmer with minimum temperatures starting at 19°C (66°F) and reaching a maximum of 31°C (87°F), averaging 24°C (75°F). However, it is also significantly wetter, receiving 374 mm (14.7 in) of precipitation over 28 days and exhibiting higher humidity levels at 84%. For a more detailed view of March weather, visit Magelang weather in March.

When comparing the weather in September and April, both months exhibit warm temperatures, but April tends to be slightly warmer with an average of 24°C (76°F) compared to September's 23°C (73°F). The maximum temperatures in both months peak at 31°C (88°F), providing similar warm days for outdoor activities. However, April is notably wetter, receiving 318 mm (12.5 in) of precipitation over 28 days, which contrasts sharply with September's 116 mm (4.6 in) spread over 19 days. Additionally, April has a higher humidity level of 80%, compared to September's 70%, making it feel a bit more sultry. For a more detailed look at April weather, visit Magelang weather in April.

When comparing the weather in September and May, both months share similar maximum temperatures, peaking at 31°C (88°F). However, September tends to be slightly cooler with an average temperature of 23°C (73°F), compared to May's warmer average of 24°C (76°F). Additionally, May experiences higher humidity levels at 81%, making it feel more humid than September’s 70%. Precipitation is also greater in May, with a total of 141 mm (5.5 in) over 19 days, versus September's 116 mm (4.6 in) on the same number of days. For more detailed information about May weather, visit Magelang weather in May.

In comparing the weather between September and June, both months showcase similar average temperatures, hovering around 23°C (73°F). However, September tends to have slightly warmer maximum temperatures, reaching up to 31°C (88°F), compared to June's peak of 30°C (86°F). Precipitation is a key factor, as both months experience substantial rainfall, with September receiving 116 mm (4.6 in) over 19 days, while June has a bit more, totaling 125 mm (4.9 in) across 17 days. Interestingly, humidity levels are higher in June at 81%, compared to September's 70%. For a more detailed look at the weather patterns in June, you can visit Magelang weather in June.

In comparing the weather between September and July, September tends to be warmer with average temperatures reaching up to 23°C (73°F), while July has a slightly cooler average of 22°C (72°F). The maximum temperatures in September can rise to 31°C (88°F), compared to July's peak of 29°C (85°F). However, September experiences significantly more rainfall, with 116 mm (4.6 in) over 19 days, while July sees only 44 mm (1.7 in) across 12 days. Additionally, humidity levels are higher in July at 78%, compared to 70% in September. For those interested in detailed weather patterns, you can check out Magelang weather in July.

Comparing the weather in September and August, September tends to be slightly warmer, with average temperatures reaching 23°C (73°F) compared to August's average of 22°C (72°F). September also sees higher maximum temperatures, peaking at 31°C (88°F), while August's maximum is 30°C (86°F). However, September is notably wetter, receiving 116 mm (4.6 in) of precipitation over 19 days, in contrast to August's 45 mm (1.8 in) over 13 days. Humidity levels are also high in both months, with September at 70% and August slightly higher at 74%. For more detailed information on August weather, you can visit Magelang weather in August.

September and October exhibit some notable differences in weather patterns. While both months feature the same average high temperature of 31°C (88°F) and an average of 23°C (73°F), October begins with slightly warmer minimum temperatures at 17°C (64°F) compared to September's 15°C (60°F). Rainfall increases significantly in October, with 198 mm (7.8 in) of precipitation over 25 days, making it much wetter than September, which recorded 116 mm (4.6 in) over 19 days. Humidity also rises slightly in October to 72%, up from 70% in September, contributing to a more humid atmosphere. For more specific details on conditions during this month, you can refer to Magelang weather in October.

In September, the weather tends to be warm and relatively humid, with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 31°C (88°F) and an average of 23°C (73°F). However, the month experiences quite a bit of rainfall, with precipitation totaling 116 mm (4.6 in) over 19 days. In contrast, November shows a slight increase in the minimum temperature, now beginning at 18°C (65°F), while maintaining a similar average of 23°C (75°F) and a maximum of 31°C (87°F). The significant difference lies in the precipitation, as November witnesses a substantial increase to 389 mm (15.3 in) and 27 rainy days, contributing to a slightly higher humidity level of 73%. For further details on the climate specifics, you can check Magelang weather in November.

September and December exhibit distinct weather patterns. In September, temperatures range from a minimum of 15°C (60°F) to a maximum of 31°C (88°F), with an average of 23°C (73°F). The month experiences considerable rainfall, totaling 116 mm (4.6 in) over 19 days, and a humidity level of 70%. In contrast, December sees slightly warmer temperatures, with a minimum of 19°C (66°F) and an average of 24°C (75°F), while still reaching a high of 31°C (88°F). However, it is also much wetter, receiving 404 mm (15.9 in) of precipitation over 28 days and an increase in humidity to 75%. For more insights on December weather in this region, visit Magelang weather in December.

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Conclusion: What to Expect From September Weather in Magelang

As September unfolds in Magelang, the weather offers a unique blend of warmth and humidity, characterized by mild temperatures that contrast sharply with both the hotter peak months and the cooler dry season. With an average temperature of 23°C, this month serves as a transitional period, welcoming the onset of increased rainfall, as evidenced by its notable precipitation amount spread over 19 days. This adds a refreshing element to the otherwise warm days, creating a lush landscape that sets Magelang apart during this time of year. For those looking to fully appreciate the climate of this vibrant region, further insights can be found at Magelang Climate.