September Weather in Legian, Indonesia

Last updated: August 21, 2025

In September, Legian, Indonesia experiences a warm tropical climate, with maximum temperatures reaching around 28°C (82°F) and an average temperature of 26°C (79°F). The minimum temperature hovers at a comfortable 24°C (75°F), making it a pleasant time for beachgoers. However, anticipate some moisture in the air, as humidity sits at a notable 71%, contributing to the region’s lush beauty. Rainfall is also common, with 49 mm (1.9 in) of precipitation spread across approximately 17 days, bringing brief showers that nourish the vibrant landscapes. Whether basking in the sun or enjoying the occasional rain, September showcases the enchanting allure of Legian’s weather.

September Temperature in Legian

In September, Legian, Indonesia, experiences a delightful climate, with temperatures showcasing a smooth transition from the cooler months of July and August. The minimum temperature hovers around 24°C (75°F), while the average settles at a comfortable 26°C (79°F), and the maximum peaks at 28°C (82°F). This gradual increase in warmth indicates the region is easing into the more intense heat of the upcoming months, inviting visitors to enjoy the beaches and vibrant nightlife. With such pleasant weather, September is an ideal time for outdoor activities, making it a favored month for tourists seeking sunshine and adventure in this tropical paradise.

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

The chart illustrates September temperature patterns in Legian, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Legian, 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).
JanFebMarAprMayJunJulAugSepOctNovDec818181828180797878798081
Data source: Temperature data for Legian 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 Legian

In September, Legian, Indonesia experiences relatively low precipitation compared to the earlier months of the year, with just 49 mm (1.9 in) of rain over 17 days. This marks a notable decrease from the heavy downpours of the preceding months, particularly January and November, which see precipitation levels soaring above 250 mm. As the dry season transitions to the wetter season, September often serves as a brief respite, allowing residents and visitors to enjoy the beautiful landscapes without the disruption of frequent rain. However, even during this lighter rainfall period, the humidity and the lush greenery characteristic of tropical regions remain, ensuring that Legian's natural beauty is ever-present.

September Precipitation Trends in Legian

The chart displays monthly precipitation patterns in Legian, 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 Legian, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec26926219191586754594969273242
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Legian

In September, Legian, Indonesia experiences a welcoming drop in humidity levels, reaching 71%, the lowest point since June. This gradual decline from the peak of 84% in February signifies a transition towards drier conditions as the region moves from the peak monsoon months. Following this trend, October and November are expected to maintain similar low humidity levels of 69%, providing a more comfortable atmosphere for outdoor activities and beachgoers. With humidity gradually easing, September serves as a delightful month for visitors seeking to enjoy the enchanting landscapes and vibrant culture of Legian.

September Average Humidity in Legian

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

In September, Legian, Indonesia sustains an extreme UV Index of 15, mirroring the intensity seen earlier in the year. With a consistent burn time of just 10 minutes, the high UV levels throughout the month remind beachgoers and sun seekers to take precautions. This trend of extreme UV ratings persists from January through March and returns in October, showcasing Legian's sun-soaked climate. As the dry season approaches its peak, it’s essential to prioritize skin protection during outdoor activities. For further insights on Legian's UV levels, check out Legian UV Index.

Maximum UV Index Levels in Legian for September

The chart shows the monthly maximum UV Index (UVI) for Legian 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 Legian typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151515141210111315151414
Data source: Legian 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 Legian

September in Legian, Indonesia, basks in the glow of 304 hours of sunshine, making it one of the sunniest months of the year. Following a summer peak in August with 311 hours, the sunshine remains abundant as the dry season continues. What's particularly striking is a consistent upward trend from the early months of the year, where hours of sunshine gradually increased from 231 in January to peak in October with 319 hours. This gradual escalation not only reflects the tropical climate of the region but also sets a warm stage for visitors looking to enjoy the beautiful beaches and vibrant culture of Legian as summer transitions into autumn. With such radiant days ahead, September offers the perfect opportunity for sun-seekers to relish the tropical paradise.

Monthly Sunshine Duration in Legian: September Highlighted

The September sunshine duration represents the total number of hours Legian 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.
JanFebMarAprMayJunJulAugSepOctNovDec231h274h298h295h306h295h307h311h304h319h296h295h
Data source: Legian September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Legian During September

As September rolls into Legian, Indonesia, the likelihood of basking in sunny weather stands at a moderate 37%. This marks a shift from the drier months of May through July, which boast over 50% chances of sunshine. The trend indicates that while September offers a decent opportunity for sun-worshippers, it does experience a notable decline in sunny days as it transitions towards October, when probabilities drop to 29%. This fluctuating pattern highlights September as a transitional period in weather, where the fading rays of the dry season still allow for pleasant beach days amid the impending rainy season.

Percentage of Sunny Days in September in Legian

The chart illustrates the percentage of sunny days in Legian 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 Legian experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec3%7%17%50%51%48%52%47%37%29%7%15%
Data source: Legian September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Legian in September

In Legian, Indonesia, the daylight duration offers a captivating glimpse into the tropical rhythm of the year. Throughout the first half, from January to August, the days gradually shorten, providing a gentle transition as the island embraces slightly less sunshine, with 11 hours of daylight prevailing from April to August. However, as September arrives, it marks a refreshing return to 12 hours of daylight, echoing the consistent brightness seen in the earlier months. This pattern of daylight reflects a harmonious balance within the equatorial climate, making September an ideal time for both relaxation and adventure under the welcoming sun. As the year progresses into the final months, October to December maintain this cheerful daylight duration, ensuring that the allure of Legian remains vibrant and inviting year-round.

Average Daylight Hours in Legian for September

The chart illustrates the variation in daylight duration in Legian throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 33m12h 21m12h 7m11h 53m11h 42m11h 36m11h 39m11h 49m12h 2m12h 16m12h 29m12h 36m
Data source: Legian daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Legian

As September unfolds in Legian, Indonesia, the gentle breeze carries the whispers of seasonal transition, with an average wind speed of 4.6 m/s (10 mph). This month stands out with a refreshing gust that follows the robust winds of July and August, both clocking in at an invigorating 5.1 m/s (11 mph). Interestingly, the winds ease off in the upcoming months, dipping to a calmer 2.3 m/s (5 mph) by October, illustrating the typical shift towards a more tranquil atmosphere as the year draws to a close. September serves as a perfect balance, welcoming visitors to enjoy the warmth of the sun with a touch of refreshing air that enhances the island's charm.

Average September Wind Speed in Legian

The chart displays monthly wind speed patterns in Legian, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.03.42.82.94.43.75.15.14.6 m/s2.32.13.5
Data source: Legian September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Legian Compares to Other Months

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

In September, the weather is warm with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F) and a moderate humidity level of 71%. However, this month experiences 49 mm (1.9 in) of precipitation spread over 17 days, making it relatively wet. By contrast, January sees slightly warmer temperatures, with daily averages between 25°C (77°F) and 29°C (85°F) and a higher humidity of 78%. The rainfall is significantly greater in January, totaling 269 mm (10.6 in) over 23 days, indicating a notably wetter period. For more detailed information about January weather, you can refer to Legian weather in January.

In comparing the weather of September and February, September showcases slightly milder temperatures with a minimum of 24°C (75°F) and an average of 26°C (79°F), while February is warmer with a minimum of 25°C (77°F) and an average of 27°C (81°F). However, February experiences significantly higher precipitation levels, totaling 262 mm (10.3 in) over 26 days, compared to September's 49 mm (1.9 in) over 17 days. Moreover, February also has a higher humidity level at 84%, compared to September's 71%. For a more detailed overview of February weather patterns, you can visit Legian weather in February.

In September, the weather is characterized by warm temperatures, with a minimum of 24°C (75°F) and an average of 26°C (79°F), reaching a maximum of 28°C (82°F). The humidity level is relatively moderate at 71%, and precipitation is lower, averaging 49 mm (1.9 in) over 17 days. In contrast, March experiences slightly higher temperatures, with a minimum of 25°C (77°F) and an average of 27°C (81°F), peaking at 29°C (85°F). However, March is notably wetter, with significant rainfall totaling 191 mm (7.5 in) across 28 days and higher humidity at 82%. For more details on March weather, you can visit Legian weather in March.

In September, the weather features warm temperatures with a minimum of 24°C (75°F) and an average of 26°C (79°F), peaking at 28°C (82°F). The humidity sits at a moderate 71%, with 49 mm (1.9 in) of precipitation spread over 17 days. In contrast, April tends to be slightly warmer, with a minimum of 25°C (77°F) and an average temperature of 28°C (82°F), reaching a maximum of 30°C (86°F). It experiences higher humidity at 80% and more precipitation at 91 mm (3.6 in) across 18 days. For more detailed insights, check out Legian weather in April.

When comparing the weather in September and May, both months showcase warm temperatures, but with slight variations. In September, the minimum temperature hovers around 24°C (75°F), with an average of 26°C (79°F), reaching a maximum of 28°C (82°F). In contrast, May tends to be slightly warmer, featuring a minimum of 25°C (77°F), an average of 27°C (81°F), and a maximum of 29°C (85°F). Precipitation levels are slightly higher in May at 58 mm (2.3 in), compared to September's 49 mm (1.9 in), though both months experience around 16 to 17 days of rain. Additionally, the humidity is a touch higher in May at 79%, versus September's 71%. For more detailed information about weather conditions in May, you can check out Legian weather in May.

When comparing the weather in September and June, both months display warm temperatures with June experiencing slightly higher averages. September has a minimum temperature of 24°C (75°F) and averages around 26°C (79°F), while June starts a bit warmer with a minimum of 25°C (77°F) and an average of 27°C (80°F). Rainfall is more frequent in June, accumulating 67 mm (2.6 in) over 19 days, compared to September's 49 mm (1.9 in) across 17 days. Additionally, humidity levels tend to be slightly higher in June at 76%, compared to September's 71%. For a detailed look at June weather, you can check Legian weather in June.

When comparing the weather of September to July, both months exhibit similar temperature ranges, with minimums around 24°C (75°F), averages of 26°C (79°F), and maximums reaching 28°C (82°F). However, September experiences slightly less precipitation, totaling 49 mm (1.9 in) over 17 days, compared to July's 54 mm (2.1 in) across 18 days. Additionally, humidity levels in September are marginally lower at 71% versus 73% in July. For more specific insights into July's conditions, you can check out Legian weather in July.

In comparing the weather between August and September, we see that September tends to be slightly warmer, with average temperatures rising from 25°C (78°F) in August to 26°C (79°F) in September. Notably, September also has a higher maximum temperature of 28°C (82°F) compared to August's 27°C (82°F). However, September experiences slightly more precipitation, totaling 49 mm (1.9 in) over 17 days, compared to 59 mm (2.3 in) across 20 days in August. Humidity remains nearly constant, at 71% in September versus 72% in August. For more detailed insights into August weather, you can refer to Legian weather in August.

In comparing the weather of September and October, both months showcase similar temperature patterns, with minimum averages hovering around 24°C (75°F) and maximums reaching 28°C (82°F). However, October tends to be slightly wetter, with precipitation increasing to 69 mm (2.7 in) over 20 days, compared to September's 49 mm (1.9 in) across 17 days. Humidity also sees a slight decrease, falling from 71% in September to 69% in October. Overall, while the temperatures remain consistent, October brings a bit more rainfall, impacting the overall feel of the month. For more detailed insights, you can check Legian weather in October.

In September, the weather is marked by warm temperatures, with averages around 26°C (79°F) and a maximum of 28°C (82°F). However, rainfall is relatively moderate, with around 49 mm (1.9 in) spread over 17 days, and humidity resting at 71%. In contrast, November sees slightly warmer conditions, with average temperatures rising to 27°C (80°F) and a peak of 29°C (84°F). However, November experiences significantly higher precipitation, totaling 273 mm (10.7 in) over 25 days, while humidity dips slightly to 69%. For more detailed insights, you can check Legian weather in November.

In comparing the weather between September and December, we can see a slight increase in temperatures, with December experiencing average highs of 30°C (86°F) compared to September's 28°C (82°F). Humidity levels remain fairly consistent, hovering around 71-72%. However, December sees a significant rise in precipitation, with 242 mm (9.5 in) falling over 28 days, compared to September's 49 mm (1.9 in) over 17 days. This dramatic increase in rainfall makes December distinctly wetter than September. For more detailed information about December weather, you can check Legian weather in December.

Compare Legian's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Legian

As September rolls into Legian, travelers can expect mild temperatures with averages comfortably hovering around 26°C (79°F), creating a pleasant escape from the summer heat. However, this month also brings a moderate increase in humidity and a notable amount of precipitation, with rain gracing the area on about half the days. Compared to the drier and hotter months preceding, September serves as a transition into Bali's lush, green season, making it an intriguing time for nature enthusiasts. For those keen on understanding the full picture of Legian's weather patterns, visit Legian Climate for more insights.