September Weather in Kubu, Indonesia

Last updated: August 21, 2025

Kubu, Indonesia in September experiences a tropical climate characterized by maximum temperatures reaching 32°C (89°F) and a comfortable average of 25°C (77°F). The nights cool down to a pleasant minimum of 18°C (65°F), offering respite from the daytime heat. This month sees 41 mm (1.6 in) of rainfall spread over approximately 8 days, contributing to a humidity level of 71% that enhances the lush surroundings. Ideal for outdoor activities, September in Kubu invites visitors to embrace its warm weather and vibrant atmosphere.

September Temperature in Kubu

In September, Kubu, Indonesia experiences a pleasant climate with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 32°C (89°F). This month marks a transition where nighttime temperatures begin to rise slightly, reflecting a shift from the cooler August. The average temperature holds steady at 25°C (77°F), offering a comfortable backdrop for exploring the rich landscapes and vibrant culture of the region. As the days gradually warm, the weather remains inviting, making September a delightful time to visit with consistent warmth that signals the approach of the tropical climate typical of the area. Overall, September’s temperatures maintain a balance, ensuring outdoor activities can be enjoyed under mostly sunny skies.

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

The chart illustrates September temperature patterns in Kubu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kubu, 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).
JanFebMarAprMayJunJulAugSepOctNovDec777777787876757577797878
Data source: Temperature data for Kubu 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 Kubu

In Kubu, Indonesia, September marks a transition into drier weather, with precipitation seeing a significant decline to 41 mm (1.6 in), accompanied by just 8 days of rain. This is a stark contrast to the earlier months, where rainfall consistently exceeded 250 mm with almost daily downpours. Following the peak wet months of January through March, which average over 500 mm, September’s decrease hints at the onset of a more arid phase before the heavier rains return in November. The progression from the relentless deluge of early months to September's milder climate not only offers a brief respite but also sets the stage for the gradual return of rainfall as the year comes to a close.

September Precipitation Trends in Kubu

The chart displays monthly precipitation patterns in Kubu, 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 Kubu, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec591643551250866838314167311514
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kubu

In Kubu, Indonesia, September marks a notable decrease in humidity, dipping to 71%, the lowest level recorded so far this year. This trend reflects a gradual decline from the summer months, where humidity peaked in February at 84%. As the year progresses, the humidity consistently decreases from the mid-70s during the earlier summer months, reaching a low in September before stabilizing at 69% in both October and November. This shift not only signifies a transition to drier conditions but also offers a refreshing respite for residents and visitors alike, making September an inviting time to experience the natural beauty of the region without the oppressive humidity typical of earlier months.

September Average Humidity in Kubu

This chart illustrates the average monthly humidity levels in Kubu, 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 Kubu is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%84%82%80%79%76%73%72%71%69%69%72%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kubu

In September, Kubu, Indonesia, continues to experience an extreme UV Index of 15, aligning with the high levels recorded throughout the earlier months of the year. With a consistent burn time of just 10 minutes, it’s crucial for locals and visitors alike to take protective measures against sun exposure. This trend of elevated UV levels, which has been observed since January, reinforces the importance of diligent sun safety practices as the region remains bathed in potent rays. As the year progresses into October, there’s no sign of relief, with the UV Index expected to remain at the same extreme level. For more information on UV trends in the area, visit Kubu UV Index.

Maximum UV Index Levels in Kubu for September

The chart shows the monthly maximum UV Index (UVI) for Kubu 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 Kubu typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151615151310111315151414
Data source: Kubu 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 Kubu

As September unfolds in Kubu, Indonesia, it continues to bask in the glory of abundant sunshine, boasting 304 hours of radiant daylight. This marks a slight dip from the record-setting 311 hours enjoyed in August, yet it remains part of a remarkable trend that sees the sun shining bright throughout the year. From 229 hours in January to a peak of 319 hours in October, the gradual increase in sunlight hours highlights the enchanting allure of Kubu's tropical climate. As the months transition, the consistent warmth and lively days invite both relaxation and adventure, making September an ideal time for visitors to embrace the vibrant atmosphere of this coastal paradise.

Monthly Sunshine Duration in Kubu: September Highlighted

The September sunshine duration represents the total number of hours Kubu 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.
JanFebMarAprMayJunJulAugSepOctNovDec229h270h295h294h307h295h308h311h304h319h293h291h
Data source: Kubu September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kubu During September

As September rolls around in Kubu, Indonesia, the chance of experiencing sunny weather sits at a moderate 29%, revealing a slight dip from the peak summer months of July and August, which enjoy sun probabilities of 41% and 35%, respectively. This trend highlights a gradual decline in sunny days as the region transitions into the wetter months of the year. However, September still offers better odds for sunshine compared to the less favorable conditions in the latter part of the year, where Novembers plummet to just 6%. Visitors can still expect glimpses of bright weather amidst the approaching rain, making it a pleasantly unpredictable time to enjoy Kubu's natural beauty.

Percentage of Sunny Days in September in Kubu

The chart illustrates the percentage of sunny days in Kubu 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 Kubu experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec3%5%14%37%34%36%41%35%29%29%6%11%
Data source: Kubu September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kubu in September

In Kubu, Indonesia, September marks a delightful transition as daylight hours return to a consistent 12 hours, reminiscent of the earlier months in the year. Following a stretch of 11-hour days from April through August, the arrival of September restores the familiar equatorial balance. This pattern of stable daylight is characteristic of Kubu's tropical climate, where the variations are subtle yet enchanting. As the months progress into October and beyond, daylight extends steadily, offering residents and visitors alike ample opportunity to bask in the vibrant beauty of this stunning locale.

Average Daylight Hours in Kubu for September

The chart illustrates the variation in daylight duration in Kubu throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 32m12h 21m12h 7m11h 54m11h 43m11h 38m11h 40m11h 49m12h 2m12h 16m12h 28m12h 35m
Data source: Kubu daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Kubu

As September unfolds in Kubu, Indonesia, the gentle caress of the wind takes on a distinct character, with an average speed of 2.1 m/s (5 mph). This month continues a trend observed since mid-year, where wind speeds have gradually increased, peaking in August at 2.2 m/s. Following this peak, September’s breezy embrace remains refreshingly moderate, echoing the lively winds of July and August that heralded a shift from the calmer summer months. Interestingly, this uptick in wind speed contrasts sharply with the stillness felt in the earlier months from January to June, where average speeds hovered around 1.3 to 1.5 m/s (3 to 4 mph). As the season turns, September offers a harmonious blend of mild breezes, inviting both residents and visitors to revel in the natural beauty of the region, making it a delightful time to explore Kubu's scenic shores.

Average September Wind Speed in Kubu

The chart displays monthly wind speed patterns in Kubu, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.41.81.31.41.51.32.02.22.1 m/s2.01.21.3
Data source: Kubu September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Kubu Compares to Other Months

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

In September, the weather is characterized by a pleasant average temperature of 25°C (77°F) and a maximum of 32°C (89°F), with relatively low precipitation totaling 41 mm (1.6 in) over about 8 days. The humidity is a moderate 71%, making for comfortable days. In contrast, January sees a slight increase in minimum temperature to 21°C (71°F), while the average remains the same at 25°C (77°F) and maximums still hit 32°C (89°F). However, January is marked by significant rainfall, with 591 mm (23.3 in) spread across an average of 25 days, contributing to a higher humidity level of 78%. This transition from September to January highlights a shift from more stable, dry conditions to a much wetter, more humid climate. For a closer look at the January weather specifics, visit Kubu weather in January.

In comparing September and February weather, both months have a similar average temperature of around 25°C (77°F), but the conditions differ significantly. September presents milder temperatures, with highs reaching 32°C (89°F) and lower humidity at 71%, making it feel quite pleasant. In contrast, February tends to be warmer at night, with a minimum of 21°C (71°F), but experiences considerably heavier rainfall, totaling 643 mm (25.3 in) over 27 days of precipitation, leading to increased humidity levels at 84%. For more detailed insights into February weather, you can refer to this link: Kubu weather in February.

In comparing the weather patterns of September and March, both months exhibit similar average temperatures, hovering around 25°C (77°F). However, September experiences a wider range of temperatures, with minimums around 18°C (65°F) and maximums peaking at 32°C (89°F). In contrast, March starts warmer with minimums at 21°C (71°F) and maintains a high of 31°C (88°F).

A significant difference lies in precipitation levels; September receives a modest 41 mm (1.6 in) over 8 days, while March is notably wetter, amassing 551 mm (21.7 in) across 30 days. Consequently, humidity is higher in March at 82% compared to September's 71%, reflecting a more tropical and rainy atmosphere. For a detailed look at the weather conditions in March, you can explore Kubu weather in March.

In September, the weather generally features warm temperatures with a minimum of 18°C (65°F), an average of 25°C (77°F), and a maximum of 32°C (89°F). This month experiences relatively low precipitation, with about 41 mm (1.6 in) occurring over 8 days, resulting in a humidity level of 71%. In contrast, April brings slightly warmer nights, starting at a minimum of 21°C (70°F) and maintaining the same average and maximum temperatures as September. However, April is significantly wetter, with approximately 250 mm (9.8 in) of rainfall spread over 23 days, leading to higher humidity levels at 80%. For more specific details on April weather, you can refer to Kubu weather in April.

In comparing the weather of September and May, both months present warm temperatures, with averages hovering around 25°C (77°F) and maximums reaching 32°C (89°F). However, September tends to have slightly cooler minimum temperatures, starting at 18°C (65°F), while May begins warmer at 20°C (68°F). May is notably wetter, receiving 85 mm (3.4 in) of precipitation over 16 days, compared to September’s 41 mm (1.6 in) across just 8 days. Additionally, humidity levels are higher in May at 79%, compared to 71% in September. For a more detailed look at weather specifics, you can check Kubu weather in May.

In comparing the weather of September and June, both months exhibit warm temperatures, with September featuring a minimum of 18°C (65°F), an average of 25°C (77°F), and a maximum of 32°C (89°F). June presents slightly cooler averages with a minimum of 18°C (66°F), an average of 24°C (76°F), and a maximum of 31°C (88°F). Additionally, September enjoys less precipitation, recording 41 mm (1.6 in) over 8 days, while June has higher rainfall, totaling 68 mm (2.7 in) across 13 days. Humidity levels are also marginally higher in June at 76%, compared to 71% in September. For a more detailed look at June weather, you can visit Kubu weather in June.

When comparing the weather in September and July, both months exhibit relatively mild temperatures, but September tends to be slightly warmer overall. In September, the minimum temperature is 18°C (65°F), with an average of 25°C (77°F) and a maximum of 32°C (89°F). In contrast, July has a minimum temperature of 17°C (64°F), an average of 24°C (75°F), and a maximum of 30°C (87°F). Both months experience similar precipitation levels, with September receiving 41 mm (1.6 in) over 8 days and July slightly less at 38 mm (1.5 in) over the same number of days. Humidity levels are quite comparable as well, with September at 71% and July at 73%. For more detailed weather insights, you can refer to Kubu weather in July.

In comparing the weather of September and August, it is evident that September experiences slightly warmer temperatures, with an average of 25°C (77°F) compared to August's 24°C (75°F). While both months have similar minimum and maximum temperatures, September's maximum reaches 32°C (89°F), just a degree higher than August's 31°C (88°F). Precipitation is also slightly more prominent in September, with 41 mm (1.6 in) over 8 days, compared to 31 mm (1.2 in) across 10 days in August. The humidity levels are quite comparable, with September at 71% and August at 72%, making the weather in both months quite humid overall. For more detailed insights, you can check Kubu weather in August.

When comparing the weather between September and October, October shows a slight increase in temperature, with minimums rising from 18°C (65°F) to 20°C (68°F) and average temperatures moving from 25°C (77°F) to 26°C (79°F). Additionally, the maximum temperature in October reaches 33°C (92°F), slightly higher than September's 32°C (89°F). However, October also sees an increase in precipitation, with 66 mm (2.6 in) of rain over 11 days compared to September's 41 mm (1.6 in) over 8 days. Humidity levels remain relatively stable, hovering around 71% in September and slightly decreasing to 69% in October. For more details on weather conditions, check out Kubu weather in October.

September typically offers warmer temperatures, with daily averages around 25°C (77°F) and maximums reaching up to 32°C (89°F). It features moderate humidity at 71% and relatively low precipitation levels, totaling 41 mm over 8 days. In contrast, November experiences a slightly higher average temperature of 26°C (79°F) and can reach maximums of 34°C (94°F), but it also brings significantly increased rainfall, with 311 mm falling over 22 days. Humidity remains comparable at 69%. For a detailed look at November's conditions, you can check out Kubu weather in November.

In September, the weather is generally warm, with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 32°C (89°F) and an average of 25°C (77°F). It experiences moderate rainfall with 41 mm (1.6 in) over about 8 days, accompanied by a humidity level of 71%. In contrast, December brings a significant increase in warmth and precipitation. The temperatures range from a minimum of 22°C (71°F) to a soaring maximum of 35°C (95°F), maintaining a similar average of 25°C (78°F). However, December is characterized by heavy rainfall, with a staggering 514 mm (20.2 in) spread across 28 days, and slightly higher humidity at 72%. For more details on December weather, please refer to this link: Kubu weather in December.

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Conclusion: What to Expect From September Weather in Kubu

September in Kubu offers a delightful transition as the weather begins to shift towards the end of the dry season. With comfortable average temperatures and a relatively low amount of precipitation, this month stands out for its pleasant climate compared to the hotter, more humid summer months. While humidity levels remain at a moderate 71%, the sunshine and manageable warmth create ideal conditions for outdoor activities and exploration. The slight chance of rain—spanning just a few days—adds a refreshing touch to the air without dampening the vibrant atmosphere. For a more detailed overview of Kubu's weather patterns, explore the Kubu Climate page.