September Weather in Pakxong, Laos

Last updated: August 21, 2025

September in Pakxong, Laos is characterized by a tropical climate, where average temperatures hover around 23°C (74°F). The month sees maximum daytime peaks of 29°C (85°F), while nighttime temperatures dip to a mild 19°C (66°F). With an impressive precipitation total of 530 mm (20.8 in) spread over 29 days, the region experiences a high humidity level of 91%, creating a lush, green landscape. This vibrant weather pattern not only shapes the local flora but also sets the stage for the unique cultural experiences that make Pakxong a captivating destination.

September Temperature in Pakxong

In September, Pakxong, Laos, maintains a pleasant climate with minimum temperatures hovering around 19°C (66°F) and maximums peaking at 29°C (85°F). This month fits snugly into the transitional period of the year, where the average temperature remains steady at 23°C (74°F), mirroring the preceding months of August and July. These consistent temperatures create an inviting atmosphere, perfect for exploring the lush landscapes and vibrant culture of the region. As the rainy season reaches its zenith, expect frequent showers that help nourish the verdant scenery, making September a captivating time to experience the natural beauty of Pakxong.

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

The chart illustrates September temperature patterns in Pakxong, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pakxong, 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).
JanFebMarAprMayJunJulAugSepOctNovDec697074747575737374737168
Data source: Temperature data for Pakxong 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 Pakxong

In September, Pakxong, Laos, experiences significant precipitation, with 530 mm (20.8 in) of rainfall spread over 29 days. This month marks a continuation of the heavy rains that have characterized the preceding months, particularly the peak of the rainy season in July and August, which recorded 555 mm and 587 mm respectively. The trend in September reflects a slight decrease in total rainfall compared to August, but still maintains a robust level of precipitation, making it one of the wetter months of the year. This consistent rainfall supports the lush landscapes of the region but also underscores the prolonged wet season, as the atmospheric moisture continues to linger from the summer months. As the season transitions into October, a further reduction to 351 mm suggests an upcoming shift to drier weather.

September Precipitation Trends in Pakxong

The chart displays monthly precipitation patterns in Pakxong, 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 Pakxong, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec294416130234731355558753035111549
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Pakxong

In September, Pakxong, Laos experiences a notably high humidity level of 91%, reminiscent of the peak summer months. Following a gradual increase from the drier early months, where humidity dipped to a low of 49% in April, the region experiences a substantial spike, particularly in the wetter months of June through August, which range from 86% to an eye-catching 93%. This trend signifies a transition into the heart of the rainy season, where the air becomes consistently moist. As the year progresses, humidity begins to taper off into the milder conditions of October and November, yet September remains a critical month that showcases the lush, tropical atmosphere of Pakxong.

September Average Humidity in Pakxong

This chart illustrates the average monthly humidity levels in Pakxong, 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 Pakxong is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%65%53%49%73%86%91%93%91%88%85%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Pakxong

September in Pakxong, Laos, continues the pattern of extreme UV exposure that characterizes much of the year, maintaining a UV Index of 14. This means that outdoor enthusiasts should still be vigilant, as the risk of harm from unprotected sun exposure remains high, with a burn time of just 10 minutes. The slight dip from August’s peak of 15 is subtle but noteworthy, hinting at the gradual shift towards milder conditions as the year progresses. Overall, the consistency of extreme UV levels throughout the summer months underscores the importance of sun safety and protection. For more detailed information, check the Pakxong UV Index.

Maximum UV Index Levels in Pakxong for September

The chart shows the monthly maximum UV Index (UVI) for Pakxong 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 Pakxong typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111315151514151514131110
Data source: Pakxong 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 Pakxong

In Pakxong, Laos, September shines with 266 hours of sunlight, marking a gentle transition as the rainy season begins to wane. This month holds a notable position in the yearly cycle, sitting comfortably between the brighter early months of March and April, which boast upwards of 320 hours. Interestingly, while September enjoys more sunlight than the muted summer months of July and August, it still reflects a dip compared to the preceding spring months. The sunshine begins to reclaim its stake, hinting at the promise of more radiant days to come in October and the approaching end-of-year burst of brightness in November and December. In essence, September in Pakxong serves as a delightful foreshadowing of the sun’s return, nestled within a dance of seasonal change.

Monthly Sunshine Duration in Pakxong: September Highlighted

The September sunshine duration represents the total number of hours Pakxong 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.
JanFebMarAprMayJunJulAugSepOctNovDec260h295h320h307h307h276h246h235h266h275h294h312h
Data source: Pakxong September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Pakxong During September

In September, the likelihood of sunny weather in Pakxong, Laos, drops significantly to just 10%, making it one of the least favorable months for sunshine. This sharp decline follows the trend established from June to August, where the probability of clear skies dwindles to 12% or lower. The rainy season reaches its peak during these months, casting a shadow over outdoor activities. As the year progresses into the drier late months of October and November, the chance of sunshine gradually increases, hinting at more agreeable weather ahead after the wet September. Overall, if you’re planning a trip during this time, it’s wise to prepare for cloudy skies and potential rainfall rather than basking in the sun.

Percentage of Sunny Days in September in Pakxong

The chart illustrates the percentage of sunny days in Pakxong 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 Pakxong experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec63%71%55%27%27%18%12%8%10%12%32%44%
Data source: Pakxong September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Pakxong in September

As September arrives in Pakxong, Laos, the daylight duration remains consistently 12 hours, marking a continuation of the trend established in the preceding months. This steady exposure to daylight reflects the region's tropical climate, where light hours peak during the middle of the year. Following a gradual increase from 11 hours in January and February, the daylight duration stabilizes at its maximum until October, when it begins to taper off again. This rhythmic pattern of daylight is not only a hallmark of Pakxong's climate but also sets the tone for the region's vibrant ecosystems and activities, encouraging shared moments outdoors as the days begin to gradually shorten.

Average Daylight Hours in Pakxong for September

The chart illustrates the variation in daylight duration in Pakxong throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 19m11h 38m12h 2m12h 28m12h 49m12h 59m12h 54m12h 36m12h 11m11h 46m11h 24m11h 13m
Data source: Pakxong daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Pakxong

In September in Pakxong, Laos, the average wind speed registers at a gentle 1.6 m/s (4 mph), continuing a trend of relatively calm breezes typical for the month. Following the slightly breezier months of June and July, the winds take a subtle dip, reminiscent of the transitional easing felt as the region edges closer to the cooler autumn months. This consistent moderation in wind speed throughout September reflects a seasonal pattern where the breezes, while soothing, are less forceful than in mid-summer. As the year progresses, one can observe a gradual return to stronger winds, particularly in the months of December and June, hinting at the rhythmic dance of the seasons in this tranquil laos landscape.

Average September Wind Speed in Pakxong

The chart displays monthly wind speed patterns in Pakxong, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.01.71.61.41.42.22.11.81.6 m/s1.82.02.2
Data source: Pakxong September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Pakxong Compares to Other Months

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

In September, the weather is characterized by warm temperatures, with a minimum of 19°C (66°F) and an average of 23°C (74°F), peaking at a high of 29°C (85°F). This month is also marked by high humidity levels at 91% and significant rainfall, totaling 530 mm (20.8 in) across 29 days. In contrast, January experiences cooler temperatures, with a minimum of 8°C (47°F) and an average temperature of 20°C (69°F), while still reaching a maximum of 29°C (85°F). This month is much drier, with only 29 mm (1.1 in) of precipitation over just 6 days and a lower humidity of 74%. For more specific details, you can check Pakxong weather in January.

September and February present contrasting weather patterns. In September, temperatures range from a minimum of 19°C (66°F) to a maximum of 29°C (85°F), with an average of 23°C (74°F). This month is characterized by high humidity at 91% and significant rainfall, totaling 530 mm (20.8 in) over 29 days. In contrast, February enjoys milder conditions, with temperatures dropping to a minimum of 9°C (48°F) and peaking at 30°C (87°F), averaging 21°C (70°F). Unlike September, February is notable for its lower precipitation of just 44 mm (1.7 in) across 8 days and a more comfortable humidity level of 65%. For more details, you can check Pakxong weather in February.

September and March offer contrasting weather experiences. In September, temperatures range from a mild 19°C (66°F) to a warm 29°C (85°F), with a high average humidity of 91% and significant rainfall, totaling 530 mm over 29 days. In contrast, March sees slightly lower minimum temperatures of 14°C (57°F) but reaches a maximum of 32°C (90°F) while maintaining the same average temperature of 23°C (74°F). March is notably drier, with only 161 mm of precipitation across 18 days and much lower humidity at 53%. For more details on March weather, visit Pakxong weather in March.

In comparing the weather between September and April, we notice notable differences in temperature and precipitation. September tends to have milder temperatures, with a minimum of 19°C (66°F) and a maximum of 29°C (85°F), while April boasts warmer conditions, peaking at 32°C (89°F) despite a lower minimum of 13°C (56°F). Precipitation levels also vary significantly; September experiences heavy rainfall, receiving 530 mm (20.8 in) across 29 days, compared to April's 301 mm (11.9 in) over 26 days. Additionally, the humidity in September is notably high at 91%, in stark contrast to April's more comfortable 49%. For those interested in a detailed overview, you can check out Pakxong weather in April.

In comparing the weather of September and May, we see notable differences in temperature and precipitation. September tends to be slightly warmer, with average temperatures around 23°C (74°F) and a maximum of 29°C (85°F), compared to May's average of 24°C (75°F) and a maximum of 31°C (88°F). However, September experiences significantly higher precipitation, with 530 mm (20.8 in) over 29 days, while May has only 347 mm (13.7 in) across 30 days. Additionally, humidity levels are higher in September at 91%, compared to May’s 72%. For a detailed look at the weather conditions specific to May, check out this link: Pakxong weather in May.

In comparing the weather of September and June, both months present similar temperature ranges, with September having a minimum of 19°C (66°F) and an average of 23°C (74°F), while June features a minimum of 19°C (67°F) and an average of 24°C (75°F). June tends to be slightly warmer overall, reaching a maximum of 30°C (87°F) compared to September's 29°C (85°F). However, September is noticeably wetter, receiving 530 mm (20.8 in) of precipitation over 29 days, in contrast to June's 313 mm (12.3 in) during the same number of days. The humidity levels also remain high in both months, with September at 91% and June at 86%. For more detailed information, check out the Pakxong weather in June.

In comparing the weather between July and September, we find that both months share similar temperature ranges, with minimums around 19°C (66-67°F), averages of 23°C (74°F), and maximums reaching 29°C (85°F). However, July experiences slightly more precipitation, with a total of 555 mm (21.8 in) over 30 days, compared to September's 530 mm (20.8 in) across 29 days. The humidity remains consistent at 91% for both months, contributing to a similarly muggy atmosphere. For more detailed insights into July weather, you can check Pakxong weather in July.

In comparing the weather between September and August, both months exhibit similar temperature ranges with a minimum of 19°C (66°F), an average of 23°C (74°F), and a maximum of 29°C (85°F). However, September experiences slightly less precipitation at 530 mm (20.8 in) over 29 days, compared to August's 587 mm (23.1 in) over 30 days. Additionally, humidity levels also dip a bit, with September at 91% compared to August's 93%. Overall, while both months are quite humid and warm, September offers a marginally drier and less humid experience. For a closer look at the August weather, you can visit Pakxong weather in August.

September tends to be a wetter month with significantly more precipitation, totaling 530 mm over 29 days, and high humidity levels at 91%. The temperatures range from a minimum of 19°C to a maximum of 29°C, creating a warm but humid environment. In contrast, October experiences slightly cooler temperatures, with a minimum of 16°C and a maximum of 30°C, while the average remains fairly consistent at 23°C. Precipitation decreases to 351 mm over 23 days, and humidity also drops to 88%. This transition marks a shift to drier and cooler conditions, making October a more pleasant month overall. For more details, check out Pakxong weather in October.

September typically displays a warmer and more humid climate compared to November, with average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 29°C (85°F). This month also experiences significant precipitation, totaling 530 mm (20.8 in) over 29 days, contributing to higher humidity levels of 91%. In contrast, November features slightly cooler temperatures, with a minimum of 14°C (57°F) and a maximum of 30°C (86°F), while the average temperature sits at 22°C (71°F). Additionally, November sees much less rainfall, with only 115 mm (4.5 in) over 17 days and lower humidity at 85%. For more detailed information on November weather, check out Pakxong weather in November.

In September, the weather is considerably warmer with average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 29°C (85°F). The month experiences significant rainfall, with 530 mm (20.8 in) of precipitation spread over 29 days, contributing to high humidity levels of 91%. In contrast, December brings cooler temperatures, with a minimum of 8°C (48°F) and an average high of 28°C (83°F). Precipitation drops dramatically to 49 mm (1.9 in) over just 9 days, and the humidity is slightly lower at 82%. For a more detailed view of the weather in December, you can explore Pakxong weather in December.

Compare Pakxong's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Pakxong

September in Pakxong is marked by high humidity and an abundance of rainfall, creating a distinct contrast to the drier months of the year. With temperatures averaging around 23°C (74°F), the weather remains pleasantly warm despite the frequent showers. The persistent precipitation throughout the month, totaling about 530 mm (20.8 in), means that residents and visitors alike experience a lush, vibrant landscape, though the 29 days of rain may require some planning for outdoor activities. This time of year is ideal for those who appreciate the beauty of a rain-soaked paradise. For more details on the overall climate patterns, you can check Pakxong Climate.