September Weather in Pecinan, Indonesia

Last updated: August 21, 2025

September in Pecinan, Indonesia offers a warm tropical climate with average temperatures hovering around 27°C (81°F). Daily highs can reach a maximum of 30°C (87°F), while the nights cool down to a pleasant 23°C (74°F). This month typically experiences 32 mm (1.2 in) of rainfall spread over 6 days, contributing to a humid atmosphere with levels around 70%. The blend of warm temperatures and occasional rain creates a lush environment, making September an appealing time to explore the vibrant surroundings of Pecinan.

September Temperature in Pecinan

In September, Pecinan, Indonesia, offers a pleasant climate that showcases the region's typical tropical warmth. With minimum temperatures hovering around 23°C (74°F) and a stable average of 27°C (81°F), it's an inviting time for outdoor exploration. The maximum temperatures can reach up to 30°C (87°F), maintaining the summer vibe that has characterized the months prior. This month marks a slight rise in nighttime temps compared to August, yet the overall patterns remain consistent. As the transition towards October begins, inhabitants and visitors alike can enjoy the steady warmth that defines Pecinan’s climate, fostering a vibrant atmosphere perfect for experiencing the local culture and natural beauty.

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

The chart illustrates September temperature patterns in Pecinan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pecinan, 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).
JanFebMarAprMayJunJulAugSepOctNovDec808081818281808081818181
Data source: Temperature data for Pecinan generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Pecinan

September in Pecinan, Indonesia, marks a transitional phase in the rainfall patterns as the region emerges from its driest months. With precipitation measuring only 32 mm (1.2 in) over 6 days, September delivers a slight uptick compared to the preceding months of July and August, which recorded minimal rainfall. This modest increase sets the stage for the upcoming wetter months, particularly October and November, when precipitation levels soar again. The decline in rainy days during the summer months is evident, with September still showing significant dry periods, indicating a shift toward the wetter season ahead. As the landscape prepares for a resurgence of rain, September serves as a gentle reminder of nature's rhythms in Pecinan.

September Precipitation Trends in Pecinan

The chart displays monthly precipitation patterns in Pecinan, 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 Pecinan, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3323382682121198833203269212301
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Pecinan

As September arrives in Pecinan, Indonesia, the humidity levels begin to show a noticeable decline, dipping to 70%. This monthly shift marks a continuation of the decreasing trend observed since August, where humidity reached 74%. The transition from the wetter months, characterized by higher humidity levels ranging from 82% to 86% in the early part of the year, gradually gives way to a more comfortable atmosphere as autumn approaches. As temperatures begin to cool slightly, residents and visitors can enjoy the refreshing change, making September a more pleasant time to experience the vibrant culture and natural beauty that Pecinan has to offer.

September Average Humidity in Pecinan

This chart illustrates the average monthly humidity levels in Pecinan, 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 Pecinan 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 Pecinan

In Pecinan, Indonesia, September continues the trend of extreme UV exposure with a UV Index of 13, requiring as little as 10 minutes of exposure before a burn can occur. This month marks a slight shift from the even higher readings observed earlier in the year, with January peaking at 14 and February reaching 16. Notably, as the year progresses, the UV Index fluctuates but consistently remains in the extreme range, urging residents and visitors alike to take necessary precautions against harmful sun exposure. As we move into the year's final months, the UV Index is expected to stay similarly high—reinforcing the need for effective sun protection. For more details on UV levels in Pecinan, visit Pecinan UV Index.

Maximum UV Index Levels in Pecinan for September

The chart shows the monthly maximum UV Index (UVI) for Pecinan 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 Pecinan typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141615131210111213141413
Data source: Pecinan 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 Pecinan

September in Pecinan, Indonesia, boasts a delightful 308 hours of sunshine, perfectly encapsulating the region's radiant late-season warmth. As summer transitions into autumn, sunshine hours remain robust, slightly dipping from the peak of 318 hours in both July and August. The consistent bright days of the latter months showcase a trend of reliability, with sunshine remaining plentiful even as the year progresses. Following September, October sees a minor resurgence at 314 hours, hinting that the sun continues to cast its golden glow on this vibrant locale. This enduring sunshine reflects a climate that invites both adventure and relaxation, making Pecinan an appealing destination year-round.

Monthly Sunshine Duration in Pecinan: September Highlighted

The September sunshine duration represents the total number of hours Pecinan 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.
JanFebMarAprMayJunJulAugSepOctNovDec224h277h312h297h311h300h318h318h308h314h285h288h
Data source: Pecinan September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Pecinan During September

In Pecinan, Indonesia, September offers a distinctive blend of sunny possibilities, boasting a 32% chance of clear skies. This marks a noticeable dip from the peak of 52% in July but maintains a more favorable outlook than the wetter months to come. The trend reveals a gradual increase in sunshine from the scorching low of just 1% in January to a more promising 39% in May, followed by a slight decline as the year progresses. While September’s sun-seeking opportunities may not rival the summer months, they provide a charming window for outdoor adventures before the clouds return in October. Embrace the warm days and balmy nights, as this transitional month still holds the promise of enjoyable weather!

Percentage of Sunny Days in September in Pecinan

The chart illustrates the percentage of sunny days in Pecinan 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 Pecinan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec2%5%14%33%39%36%52%46%32%23%7%6%
Data source: Pecinan September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Pecinan in September

In Pecinan, Indonesia, September marks a return to longer days as daylight stretches back to 12 hours, similar to the consistent daylight hours of January through March. This slight uptick follows a period from April through August where the days consistently measured 11 hours. The rhythm of daylight in Pecinan creates an inviting atmosphere for both locals and visitors alike, as they can enjoy the vibrant outdoor life that the extended sunlight fosters. As the year progresses into October and beyond, the daylight duration remains steady at 12 hours, ensuring that each transition into the next season maintains a sense of continuity and warmth.

Average Daylight Hours in Pecinan for September

The chart illustrates the variation in daylight duration in Pecinan throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 26m12h 17m12h 7m11h 56m11h 48m11h 44m11h 46m11h 53m12h 3m12h 14m12h 23m12h 28m
Data source: Pecinan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Pecinan

As September unfolds in Pecinan, Indonesia, the average wind speed settles at a gentle 3.6 m/s (8 mph), marking a slight dip from the breezy heights of August. This month reflects the transitional phase of the region's climate, where the winds are neither as brisk as the earlier months of the year nor as subdued as those approaching the end of the year. After experiencing the peak winds of 5.5 m/s (12 mph) in February and a steady decline through the mid-year, the September breeze carries an air of calm, suggesting a mellowing atmosphere. Looking ahead, the trend hints at decreasing wind speeds, with October forecasted to bring a further softening of the gales, emphasizing the serene charm of Pecinan's September winds.

Average September Wind Speed in Pecinan

The chart displays monthly wind speed patterns in Pecinan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.55.52.82.83.23.23.73.83.6 m/s3.02.13.1
Data source: Pecinan September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Pecinan Compares to Other Months

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

In comparing the weather between September and January, September tends to be slightly cooler with an average temperature of 27°C (81°F), while January maintains a similar average but starts off with a higher minimum temperature of 25°C (77°F). Both months hit a maximum of 30°C (86-87°F). However, January is significantly wetter, receiving 332 mm (13.1 in) of precipitation over 25 days, compared to September's much lighter rainfall of 32 mm (1.2 in) over just 6 days. Additionally, humidity levels are higher in January at 82%, compared to September's 70%, making the former feel more muggy. For more detailed insights on January weather, check out Pecinan weather in January.

When comparing the weather in September and February, we see notable differences in temperature and precipitation. September enjoys slightly warmer average temperatures, ranging from a minimum of 23°C (74°F) to a maximum of 30°C (87°F), with relatively low precipitation of 32 mm (1.2 in) spread over six days, and a humidity level of 70%. In contrast, February experiences slightly cooler temperatures, with a minimum of 24°C (76°F) and a maximum of 30°C (86°F), but it is significantly wetter, receiving 338 mm (13.3 in) of rain across 27 days and having higher humidity at 86%. This stark contrast highlights February as a much wetter and more humid month. For more details, you can visit Pecinan weather in February.

In comparing the weather between September and March, both months exhibit similar temperature patterns, with average highs reaching around 30°C (87°F) and lows hovering close to 23-25°C (74-76°F). However, the precipitation levels show a stark contrast; September is relatively dry, receiving only 32 mm of rain over about 6 days, while March experiences significant rainfall, totaling 268 mm across 29 days. This rainfall leads to increased humidity, rising from 70% in September to 84% in March, making the latter month feel much more humid. For more detailed insights, you can check out Pecinan weather in March.

In comparing the weather of September and April, both months exhibit similar average temperatures, fluctuating around 27°C (81°F), with maximums reaching up to 30°C (87°F). However, September is characterized by significantly lower precipitation, receiving only 32 mm (1.2 in) over approximately 6 days, resulting in a more comfortable humidity level of 70%. In contrast, April sees a dramatic increase in rainfall, totaling 212 mm (8.3 in) spread across 27 days, leading to a higher humidity level of 80%. For more details on the specific weather conditions in April, you can refer to Pecinan weather in April.

In comparing the weather between September and May, September tends to be slightly cooler, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 30°C (87°F) and an average of 27°C (81°F). This month experiences relatively low precipitation, totaling 32 mm (1.2 in) over about 6 days, accompanied by a humidity level of 70%. In contrast, May is warmer, featuring a minimum temperature of 25°C (77°F) and an average of 28°C (82°F), while also reaching the same maximum of 30°C (87°F). However, May is notably wetter, with precipitation measuring 118 mm (4.7 in) spread across 20 days and higher humidity at 81%. For a closer look at May's weather specifics, you can visit Pecinan weather in May.

When comparing the weather in September and June, both months feature similar average temperatures, hovering around 27°C (81°F). However, September tends to be slightly cooler at a minimum of 23°C (74°F), while June starts with a minimum of 24°C (75°F). Notably, June experiences significantly higher precipitation, with 88 mm (3.5 in) spread over 15 days, contrasted with September's 32 mm (1.2 in) over just 6 days. Additionally, humidity levels are higher in June at 81%, compared to September's 70%. For a detailed look at Pecinan weather in June, you can visit Pecinan weather in June.

In comparing the weather of September and July, we find that both months share similar temperature patterns, with minimum temperatures around 23°C (74°F), average temperatures near 27°C (81°F), and maximum temperatures peaking at 30°C (87°F) in September and 30°C (86°F) in July. However, July experiences slightly higher humidity at 78% compared to September's 70%. Precipitation is also slightly higher in July, with 33 mm (1.3 in) over 7 days compared to September's 32 mm (1.2 in) over 6 days. For more detailed insights on July weather, you can visit Pecinan weather in July.

In September, the weather remains quite similar to August, with an average temperature of 27°C (81°F) and a high of 30°C (87°F), but it experiences slightly warmer nights with a minimum of 23°C (74°F) compared to 22°C (73°F) in August. September also sees increased precipitation, totaling 32 mm (1.2 in) over six days, while August recorded only 20 mm (0.8 in) across five days. Humidity levels are a bit lower in September at 70%, compared to 74% in August. For a more detailed look at August’s conditions, you can check out Pecinan weather in August.

In September, the weather features a comfortable range with minimum temperatures around 23°C (74°F) and an average of 27°C (81°F), reaching a maximum of 30°C (87°F). The month experiences relatively low precipitation, totaling 32 mm (1.2 in) over six days, with humidity at 70%. In contrast, October sees a slight increase in minimum temperatures to 25°C (77°F), while maintaining the same average of 27°C (82°F) and a maximum of 31°C (88°F). However, October is notably wetter, with precipitation rising to 69 mm (2.7 in) over 13 days, accompanied by a slight increase in humidity to 72%. For more details on this month’s weather, visit Pecinan weather in October.

In September, temperatures are pleasantly warm, with minimums around 23°C (74°F) and maximums reaching 30°C (87°F), alongside a modest average temperature of 27°C (81°F). The month sees relatively low precipitation of 32 mm (1.2 in) spread over about 6 days, with humidity at 70%. In contrast, November experiences slightly higher minimum temperatures at 25°C (77°F) and maximums peaking at 31°C (88°F), maintaining the same average of 27°C (81°F). However, it's considerably wetter, with a significant increase in rainfall to 212 mm (8.4 in) spread over 23 days, and humidity rises slightly to 73%. For more detailed information on November weather, you can check Pecinan weather in November.

In September, the weather features warm temperatures with a minimum of 23°C (74°F) and an average of 27°C (81°F), peaking at a maximum of 30°C (87°F). The month experiences moderate precipitation of 32 mm (1.2 in) spread over approximately 6 days, resulting in a humidity level of around 70%.

Conversely, December sees slightly warmer temperatures, with a minimum of 25°C (77°F) and a maximum of 31°C (87°F), while maintaining an average of 27°C (81°F). However, this month is characterized by significantly higher precipitation, totaling 301 mm (11.9 in) over 29 days, and a rise in humidity to 75%. For a detailed look at Pecinan's weather in December, you can check out Pecinan weather in December.

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Conclusion: What to Expect From September Weather in Pecinan

As September rolls in, Pecinan experiences a delightful transition with milder temperatures and a noticeable increase in humidity compared to the preceding months. The average temperature hovers comfortably at 27°C, creating a pleasant environment for outdoor activities. However, it’s also a month marked by some rainfall, with approximately six days of precipitation adding to the lush scenery. This period sets the stage for a refreshing change, making it an ideal time to explore the beauty of Pecinan. For more insights into weather patterns year-round, check out Pecinan Climate.