September Weather in Battambang, Cambodia

Last updated: August 21, 2025

September in Battambang, Cambodia is characterized by a tropical atmosphere, where temperatures soar to a maximum of 37°C (100°F) while averaging a comfortable 29°C (84°F). With a minimum temperature of 24°C (75°F), the nights offer a tad more respite. This month also sees significant precipitation, with 210 mm (8.3 in) falling over 26 days, leading to a humid environment with humidity levels reaching 90%. These conditions contribute to the lush landscapes and vibrant greenery that define Battambang, making it a captivating destination for travelers despite the rain.

September Temperature in Battambang

In September, Battambang, Cambodia experiences a noticeable transition in temperatures, characterized by a gentle cooling trend as the rainy season progresses. The minimum temperature hovers around 24°C (75°F), providing a mild start to the day. As the month progresses, the average temperature dips slightly to 29°C (84°F), making the warm days more bearable. Despite the rainfall, the maximums remain warm at around 37°C (100°F), ensuring that the heat isn't entirely relinquished. This month marks a subtle shift from the intense heat of summer, creating pleasant days ideal for exploring the rich cultural landscape of Battambang while also hinting at the refreshing rains to come in the following months.

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

The chart illustrates September temperature patterns in Battambang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Battambang, 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).
JanFebMarAprMayJunJulAugSepOctNovDec818387878686858584828280
Data source: Temperature data for Battambang 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 Battambang

In September, Battambang, Cambodia, experiences a significant uptick in rainfall, with 210 mm (8.3 in) of precipitation, making it the wettest month of the year. This spike is marked by frequent showers, with rain occurring on 26 days, highlighting the onset of the monsoon season. Comparatively, September's rainfall is nearly double that of August's 121 mm (4.7 in), reflecting a clear trend of increasing precipitation as the months transition from the dry to the wet season. As the lush landscape thrives under the abundant moisture, the vibrant atmosphere showcases nature's resilience, drawing attention to the dynamic shifts in Battambang's climate during this time.

September Precipitation Trends in Battambang

The chart displays monthly precipitation patterns in Battambang, 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 Battambang, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec13946891261101091212101976319
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Battambang

In September, Battambang experiences a peak in humidity, soaring to 90%, a trend that is consistent with the preceding months of June, July, and August. This high humidity reflects the region's wet season, where the air feels notably heavier and can be stifling. The humidity levels begin to rise significantly from the dryness of January through March, culminating in an intensely humid summer. As the year progresses, September’s oppressive moisture gradually gives way to slightly cooler and drier conditions in October, which sees a drop to 85%. This seasonal shift highlights the stark contrast between the earlier and later months of the year, showcasing Battambang's characteristic tropical climate.

September Average Humidity in Battambang

This chart illustrates the average monthly humidity levels in Battambang, 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 Battambang is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec55%50%47%55%78%86%88%90%90%85%79%68%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Battambang

As September rolls into Battambang, Cambodia, residents and visitors should prepare for another month of extreme sun exposure, with the UV Index holding steady at 14 and the burn time remaining a swift 10 minutes. This trend of high UV ratings has been consistent throughout the year, particularly from February through September, emphasizing the need for vigilance against sun damage. While January and December offer slightly lower UV levels at 10 and 11, the pattern shows that the summer months command serious attention to sun safety. Don't forget to utilize sunscreen, wear protective clothing, and stay in the shade to ensure your well-being amidst the unwavering Cambodian sun. For more details on how to protect yourself, check out the Battambang UV Index.

Maximum UV Index Levels in Battambang for September

The chart shows the monthly maximum UV Index (UVI) for Battambang 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 Battambang typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec101315141413141414131110
Data source: Battambang 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 Battambang

As September arrives in Battambang, Cambodia, the sun continues to shine, albeit slightly less than in the preceding summer months. With 270 hours of glorious sunshine, it marks a gentle decline from the peak of 325 hours in March, gradually tapering off through the hotter months. This downward trend in sunlight continues from August's 281 hours, setting the tone for the transition into October, which offers a modest increase at 277 hours. September's warmth is a reminder of the region's vibrant climate, bridging the long days of summer with the approaching cooler months. Nature's glow still envelops this enchanting city, making it a delightful time to explore its rich culture and stunning landscapes under the softening rays of the sun.

Monthly Sunshine Duration in Battambang: September Highlighted

The September sunshine duration represents the total number of hours Battambang 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.
JanFebMarAprMayJunJulAugSepOctNovDec260h298h325h308h313h299h294h281h270h277h299h314h
Data source: Battambang September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Battambang During September

September in Battambang, Cambodia, marks a notable shift in weather patterns, with the likelihood of sunny days dwindling to just 7%. This decline is part of a general trend observed throughout the rainy season, which begins in earnest during the mid-year months, where July and August offer an even slimmer chance of sunshine at 16% and 8%, respectively. As the peak of the monsoon approaches, outdoor activities may be hampered by frequent rain and overcast skies, making it essential for visitors and locals alike to plan accordingly. In contrast, the preceding months of January to April boast significantly higher sunshine probabilities, with the early part of the year offering opportunities for bright, clear days.

Percentage of Sunny Days in September in Battambang

The chart illustrates the percentage of sunny days in Battambang 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 Battambang experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec46%71%58%27%27%23%16%8%7%9%23%42%
Data source: Battambang September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Battambang in September

As September dawns in Battambang, Cambodia, the days are bathed in a consistent 12 hours of daylight. This marks a continuation of the summer-like glow experienced through the latter half of the year, with daylight duration peaking in March through August at the same length. This trend highlights a remarkable stability in daylight hours, as Battambang transitions smoothly from the sun-kissed days of the rainy season into the cooler months. Interestingly, a gradual shift begins in October, when daylight hours decrease to 11, heralding the approach of the dry season. Overall, September encapsulates a harmonious balance of light—a perfect opportunity for outdoor explorations and cultural experiences in this vibrant region.

Average Daylight Hours in Battambang for September

The chart illustrates the variation in daylight duration in Battambang throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 26m11h 41m12h 2m12h 24m12h 43m12h 52m12h 47m12h 31m12h 10m11h 49m11h 30m11h 21m
Data source: Battambang daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Battambang

In September, Battambang experiences a gentle lull in its winds, with an average speed of only 1.6 m/s (4 mph). This is a noticeable dip compared to the breezier months of June and July, which boast average speeds of 3.2 m/s (7 mph). As the peak of the rainy season transitions to the slightly drier autumn, September's winds become soft and whispering, providing a serene backdrop to the lush Cambodian landscape. The overall trend throughout the year reveals that while the summer months often bring stronger gusts, the arrival of September marks a tranquil shift, inviting locals and visitors alike to savor the quieter moments of the season before the winds begin to pick up again in October.

Average September Wind Speed in Battambang

The chart displays monthly wind speed patterns in Battambang, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.22.01.91.71.83.23.12.41.6 m/s1.81.92.1
Data source: Battambang September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Battambang Compares to Other Months

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

In September, the weather is characterized by high temperatures and significant humidity, with average temperatures around 29°C (84°F) and maximums peaking at 37°C (100°F). This month also experiences considerable rainfall, averaging 210 mm (8.3 in) over 26 days, creating a damp and steamy atmosphere with humidity levels reaching 90%. In stark contrast, January offers much milder conditions, with a minimum temperature of 15°C (59°F) and an average of 27°C (82°F). Rainfall is substantially lower, only about 13 mm (0.5 in) over just 2 days, leading to a much drier climate with humidity dropping to 55%. For more detailed information, visit Battambang weather in January.

September and February present contrasting weather conditions. In September, temperatures range from a minimum of 24°C (75°F) to a scorching maximum of 37°C (100°F), with an average of 29°C (84°F). This month is characterized by high precipitation, receiving 210 mm (8.3 in) over 26 days, coupled with a humidity level of 90%, creating a humid environment. In contrast, February boasts a lower minimum temperature of 17°C (63°F) and a slightly higher average of 28°C (83°F), peaking at a maximum of 40°C (104°F). Notably, February is much drier, with only 9 mm (0.3 in) of rain over just a single day and a much lower humidity level of 50%. For more insights on February weather, visit Battambang weather in February.

In comparing the weather between September and March, September presents a more humid and rainy environment, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 37°C (100°F). With an average temperature of 29°C (84°F) and precipitation occurring on 26 days, the month sees a significant rainfall totaling 210 mm (8.3 in) and high humidity levels at 90%. In contrast, March features slightly cooler nighttime temperatures, with a minimum of 22°C (73°F) and a peak of 41°C (106°F), making it hotter overall with an average temperature of 31°C (87°F). Rainfall is minimal in March, with only 46 mm (1.8 in) of precipitation spread over just 7 days and lower humidity at 47%. For more details on the weather specifics, you can check Battambang weather in March.

In comparing the weather between September and April, notable differences emerge. September experiences a minimum temperature of 24°C (75°F) and can reach highs of 37°C (100°F), with an average of 29°C (84°F). This month is characterized by significant rainfall, totaling 210 mm (8.3 in) over 26 days, creating a humid environment with humidity levels at 90%. In contrast, April features a slightly lower minimum temperature of 19°C (67°F) but can peak at a scorching 41°C (107°F), with an average temperature of 30°C (87°F). The precipitation in April is much lighter at 89 mm (3.5 in) over only 16 days, accompanied by a much drier humidity level of 55%. For more detailed weather insights, see Battambang weather in April.

When comparing the weather in September and May, both months showcase warm temperatures, but with notable differences. September experiences a minimum temperature of 24°C (75°F) and can reach up to 37°C (100°F), while May usually starts a bit lower at 22°C (71°F) but can spike higher, peaking at 42°C (107°F). Precipitation is more frequent in September, with 210 mm (8.3 in) spread over 26 days, compared to May's 126 mm (5.0 in) over 22 days. Additionally, September's humidity is quite high at 90%, making it feel particularly muggy, whereas May’s humidity is slightly lower at 78%. For more detailed insights, you can check Battambang weather in May.

In comparing the weather between September and June, we see that both months experience warm temperatures, but September tends to be slightly cooler, with an average temperature of 29°C (84°F) compared to June’s 30°C (86°F). While June boasts a higher maximum temperature of 39°C (102°F) against September's peak of 37°C (100°F), it also has a lower average precipitation of 110 mm (4.3 in) over 20 days, compared to September’s 210 mm (8.3 in) across 26 days. The humidity levels are quite high in both months, with September at 90% and June at 86%, making both months feel muggy, but September edges out with slightly more humidity. For more insights on June weather specifically, you can check out Battambang weather in June.

In comparing the weather of September and July, we can see distinct differences in both temperature and precipitation. September experiences slightly cooler temperatures, with a minimum of 24°C (75°F) and a maximum of 37°C (100°F), while July has a minimum of 25°C (77°F) and can reach up to 39°C (103°F). In terms of humidity, September is slightly higher at 90% compared to July's 88%. Rainfall also varies significantly, with September receiving 210 mm (8.3 in) across 26 days, whereas July has only 109 mm (4.3 in) over 21 days. For a detailed look at July's weather, check out Battambang weather in July.

In comparing the weather of September and August, we see a slight decrease in average temperature from August's 30°C (86°F) to September's 29°C (84°F). However, September tends to experience slightly higher maximum temperatures, reaching up to 37°C (100°F) compared to August's peak of 39°C (102°F). Precipitation also rises significantly in September, with 210 mm (8.3 in) over 26 days, whereas August sees only 121 mm (4.7 in) across 21 days. Humidity remains consistently high in both months at 90%. For more detailed insights on August weather, you can refer to Battambang weather in August.

In September, the weather is characterized by warmer temperatures, with a minimum of 24°C (75°F) and a maximum reaching up to 37°C (100°F), averaging around 29°C (84°F). The month also sees considerable rainfall, with 210 mm (8.3 in) over 26 days, coupled with high humidity levels at 90%. In contrast, October experiences slightly cooler temperatures, with a minimum of 22°C (71°F) and a maximum of 36°C (97°F), averaging 28°C (83°F). Precipitation decreases slightly to 197 mm (7.8 in) over 23 days, and humidity lowers to 85%. For more detailed information, check out Battambang weather in October.

In September, the weather tends to be quite warm, with minimum temperatures around 24°C (75°F) and average highs reaching up to 37°C (100°F). The month sees a significant amount of rainfall, averaging 210 mm (8.3 in) over 26 days, and the humidity is notably high at 90%. In contrast, November offers a slightly cooler and less humid experience, with temperatures ranging from a minimum of 20°C (69°F) to a maximum of 38°C (101°F) and an average of 28°C (82°F). Additionally, precipitation drops dramatically to 63 mm (2.5 in) across just 12 days, with humidity sitting at 79%. For more information on November weather, visit Battambang weather in November.

In September, the weather is typically hot and humid, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 37°C (100°F) and an average of 29°C (84°F). This month sees significant rainfall, with a total precipitation of 210 mm (8.3 in) spread over 26 days, contributing to a high humidity level of 90%. In contrast, December offers a more pleasant climate, featuring cooler temperatures that range from a low of 16°C (61°F) to a high of 38°C (100°F), with an average of 27°C (81°F). Rainfall drastically decreases to just 19 mm (0.7 in) over 4 days, leading to lower humidity at 68%. For more specific details on the weather conditions in December, you can visit Battambang weather in December.

Compare Battambang's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Battambang

As September rolls in, Battambang's weather presents a unique blend of high humidity and a significant increase in precipitation, marking a stark contrast to drier months. With temperatures pushing to a maximum of 37°C, the heat can be intense, but the average keeps it somewhat bearable at 29°C. The month is characterized by almost daily rainfall, averaging 210 mm over 26 days, which helps to cool the air but also elevates the humidity to about 90%. This combination creates a lush, verdant landscape, making September a vibrant time to experience Battambang's natural beauty. For a deeper insight into how Battambang's climate shapes its seasons, check out Battambang Climate.