September Weather in Lop Buri, Thailand

Last updated: August 27, 2025

September in Lop Buri, Thailand is characterized by a warm and humid climate, with maximum temperatures reaching up to 36°C (97°F) and an average of 29°C (84°F). The month sees a notable amount of rainfall, accumulating to 266 mm (10.5 in) over approximately 24 days, contributing to a high humidity level of 88%. This combination of warmth and frequent showers creates a lush environment, perfect for experiencing the region's vibrant landscapes and cultural richness amidst the tropical monsoon conditions.

September Temperature in Lop Buri

In Lop Buri, Thailand, the month of September heralds a transition into slightly cooler temperatures, with minimums averaging around 24°C (76°F) and maximums peaking at 36°C (97°F). This slight dip signifies the onset of the rainy season, as the weather remains consistently warm with an average temperature of 29°C (84°F). Compared to the scorching peaks of earlier months, September feels more temperate, yet still maintains the tropical warmth characteristic of Thailand. As the month progresses, the blend of refreshing rains and reduced heat makes it a unique time to explore the region's rich history and vibrant culture.

September Weather in Lop Buri: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Lop Buri, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lop Buri, 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).
JanFebMarAprMayJunJulAugSepOctNovDec828387878786858484838381
Data source: Temperature data for Lop Buri 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 Lop Buri

September marks a significant peak in precipitation for Lop Buri, Thailand, with the month receiving an impressive 266 mm (10.5 in) of rain over 24 days. This surge follows the rainy season's upward trend, highlighted by a substantial rise from August's 219 mm. The increased rainfall not only underscores the peak of the wet season but also sets the stage for the gradual tapering off seen in October, which averages 185 mm. Overall, September's abundant moisture serves as a pivotal backdrop for the region's lush landscapes and enriched agricultural activities, while providing a stark contrast to the drier months at both the beginning and end of the year.

September Precipitation Trends in Lop Buri

The chart displays monthly precipitation patterns in Lop Buri, 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 Lop Buri, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec121640861361322092192661863812
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lop Buri

In September, Lop Buri experiences a significant surge in humidity, reaching a notable 88%, marking it as one of the wettest months of the year. This rise follows a steady increase from the mid-year months, where humidity levels fluctuated between 76% in May and 85% in August. As the transition to autumn occurs, the increasing moisture in the air can create a lush and vibrant environment, although it also signals a more stifling atmosphere for residents and visitors alike. The pattern reveals a clear trend: as temperatures rise throughout the year, humidity levels peak in the latter half, casting a palpable atmosphere that defines Lop Buri's tropical climate.

September Average Humidity in Lop Buri

This chart illustrates the average monthly humidity levels in Lop Buri, 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 Lop Buri is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec50%47%41%51%76%83%80%86%88%79%68%59%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lop Buri

In September, Lop Buri, Thailand, continues to embrace the intense sunshine characteristic of its climate, with a UV Index of 13, placing it firmly in the extreme exposure category. With a burn time of just 10 minutes, locals and visitors alike should take precautions against harmful ultraviolet rays. As we transition from the peak summer months of April and August, which reached a UV Index of 14, it's clear that the region consistently experiences high to extreme UV levels throughout the year. This trend underscores the importance of sun safety measures to enjoy the vibrant outdoor settings without risking skin damage. For more detailed insights on UV levels throughout the year, visit Lop Buri UV Index.

Maximum UV Index Levels in Lop Buri for September

The chart shows the monthly maximum UV Index (UVI) for Lop Buri 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 Lop Buri typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9121314131313141312109
Data source: Lop Buri 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 Lop Buri

In Lop Buri, Thailand, the month of September marks a gentle transition toward the cooler seasons, with an impressive 280 hours of sunshine that reflects a steady decline from the summer's peak in March. This month’s radiant days are part of a broader trend, where daylight hours gradually diminish after the summer months, peaking at 332 hours in March before tapering off through the latter part of the year. Despite the slight reduction, September still boasts a generous amount of sunlight compared to the waning months ahead, offering ample opportunities for outdoor adventures and exploration in this historical region. As one anticipates the crispness of October, September’s warmth serves as a pleasant reminder of the sun-soaked days still to be savored.

Monthly Sunshine Duration in Lop Buri: September Highlighted

The September sunshine duration represents the total number of hours Lop Buri 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.
JanFebMarAprMayJunJulAugSepOctNovDec253h298h332h317h323h298h291h287h280h290h304h317h
Data source: Lop Buri September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Lop Buri During September

September in Lop Buri, Thailand, typically experiences a low likelihood of sunny weather, with only an 11% chance of clear skies. This trend of diminished sunshine aligns with the region's transition into the rainy season, where the intensity of rain further reduces sunny days. Contrasting sharply with the high probabilities of sunshine seen in earlier months, such as 83% in February and 66% in January, September's weather reflects the peak of monsoon conditions in Thailand. As the month progresses, residents and visitors alike should prepare for overcast days rather than basking in the sun, with more optimistic forecasts emerging as October rolls in.

Percentage of Sunny Days in September in Lop Buri

The chart illustrates the percentage of sunny days in Lop Buri 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 Lop Buri experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec67%83%55%19%38%17%11%11%11%17%35%70%
Data source: Lop Buri September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Lop Buri in September

In Lop Buri, Thailand, the rhythm of daylight fluctuates gently throughout the year, creating a warm and inviting atmosphere. September maintains the trend of 12 hours of daylight, a consistent duration that has persisted since March. This stability offers plenty of sunshine for outdoor activities, making it a delightful time to explore the vibrant landscapes and rich culture of the region. As the year progresses into October, daylight begins to wane, returning to 11 hours in the cooler months. This gradual transition marks the shift from the bright and balmy days of mid-year to the shorter, more tranquil days that follow, inviting locals and visitors alike to relish in the unique charm of each season.

Average Daylight Hours in Lop Buri for September

The chart illustrates the variation in daylight duration in Lop Buri throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 20m11h 39m12h 2m12h 27m12h 47m12h 58m12h 52m12h 34m12h 11m11h 47m11h 26m11h 15m
Data source: Lop Buri daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Lop Buri

As September unfolds in Lop Buri, Thailand, the average wind speed takes a gentle dip to 1.9 m/s (4 mph), marking it as the calmest month of the year. This decline in winds is indicative of the transition from the rainy season, as the region begins to ease into drier conditions. Following the relatively breezy months of June and November, with speeds around 3.2 m/s (7 mph) and 3.0 m/s (7 mph) respectively, September's softness contrasts sharply, creating a tranquil atmosphere perfect for leisurely outdoor activities. As the winds settle, the charm of Lop Buri is accentuated, inviting both locals and visitors to enjoy the warm, serene days of late summer.

Average September Wind Speed in Lop Buri

The chart displays monthly wind speed patterns in Lop Buri, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.32.62.82.02.43.22.92.71.9 m/s2.03.03.6
Data source: Lop Buri September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Lop Buri Compares to Other Months

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

In September, the weather is characterized by high humidity and significant rainfall, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 36°C (97°F) and averaging 29°C (84°F). With 266 mm (10.5 in) of precipitation over 24 days, the month is quite wet, making it feel even hotter and muggier due to the 88% humidity. In contrast, January offers a more pleasant climate, featuring milder temperatures that range from a low of 15°C (60°F) to a high of 37°C (99°F), with an average temperature of 28°C (82°F). The dry season is evident in January's minimal rainfall of just 12 mm (0.5 in) over three days and significantly lower humidity at 50%. For more detailed information on January weather, you can refer to Lop Buri weather in January.

In September, the weather is characterized by warmer nights with a minimum temperature of 24°C (76°F) and high humidity at 88%. The average daytime temperature hovers around 29°C (84°F), reaching a peak of 36°C (97°F), accompanied by significant rainfall of 266 mm (10.5 in) over 24 days. Conversely, February offers a more comfortable climate with lower humidity at 47%, cooler nights averaging 18°C (65°F), and a maximum temperature that can soar to 39°C (102°F). Notably, February experiences far less precipitation, with only 16 mm (0.6 in) over just 3 days. For a more detailed perspective on February weather, check out Lop Buri weather in February.

When comparing the weather in September and March, several key differences stand out. In September, the temperatures range from a minimum of 24°C (76°F) to a maximum of 36°C (97°F), with an average of 29°C (84°F). This month also features high humidity at 88% and significant rainfall, totaling 266 mm (10.5 in) over approximately 24 days. In contrast, March experiences slightly cooler minimum temperatures at 22°C (72°F) and can reach a scorching maximum of 41°C (105°F), with an average temperature of 30°C (87°F). Additionally, March sees much less precipitation, with only 40 mm (1.6 in) over 6 days and significantly lower humidity at 41%. For more specific details about March weather, you can check Lop Buri weather in March.

When comparing the weather in September and April, we can see notable differences in temperature, precipitation, and humidity levels. September experiences a minimum temperature of 24°C (76°F) and an average of 29°C (84°F), with a maximum reaching 36°C (97°F). This month is characterized by high humidity at 88% and considerable rainfall, with a total of 266 mm (10.5 in) over 24 days. In contrast, April boasts a slightly cooler minimum temperature of 20°C (68°F) and a higher average of 31°C (88°F), with maximum temperatures peaking at a sweltering 41°C (105°F). April sees significantly less rainfall, totaling 86 mm (3.4 in) across just 13 days, and a much lower humidity level of 51%. For more details on April weather conditions, you can check Lop Buri weather in April.

In September, temperatures in Lop Buri range from a minimum of 24°C (76°F) to a maximum of 36°C (97°F), with an average of 29°C (84°F). The month experiences significant rainfall, totaling 266 mm (10.5 in) over 24 days, combined with high humidity levels at 88%. In contrast, May is slightly warmer overall, with temperatures starting at a minimum of 23°C (73°F) and peaking at 40°C (105°F), averaging 30°C (87°F). Rainfall is less frequent in May, amounting to 136 mm (5.4 in) across 22 days, and the humidity is lower at 76%. This comparison highlights September's wetter and more humid conditions compared to May’s hotter and drier climate. For more detailed information, check out Lop Buri weather in May.

In September, the weather in Lop Buri features a slightly lower average temperature of 29°C (84°F) compared to June's 30°C (87°F). However, June experiences higher maximum temperatures, peaking at 40°C (104°F), which is significantly warmer than September's maximum of 36°C (97°F). September also sees more rainfall, with 266 mm (10.5 in) of precipitation over 24 days, in contrast to June's 132 mm (5.2 in) over 22 days. Humidity levels are relatively high in both months, with September at 88% and June at 83%. For more detailed information on weather patterns, you can check Lop Buri weather in June.

In comparing the weather of September and July, we find that both months experience high temperatures, with September's average temperature being slightly lower at 29°C (84°F), compared to July's 29°C (85°F). However, July boasts a higher maximum temperature of 39°C (103°F), making it the hotter month overall. Interestingly, September sees significantly more rainfall, with 266 mm (10.5 in) spread over 24 days, while July receives 209 mm (8.2 in) over 25 days. Humidity levels also differ slightly, with September being more humid at 88%, compared to July’s 80%. For more details about July weather in Lop Buri, you can check this link: Lop Buri weather in July.

In comparing the weather of September and August, both months experience similar temperature ranges, with September showcasing a minimum of 24°C (76°F) and an average of 29°C (84°F), identical to August. However, August has a slightly higher maximum temperature of 38°C (100°F) compared to September's 36°C (97°F). September sees more precipitation, recording 266 mm (10.5 in) over 24 days, while August has 219 mm (8.6 in) over 26 days. Humidity is also slightly higher in September at 88%, compared to August's 85%. For more details about August weather, visit Lop Buri weather in August.

September and October present notable differences in weather patterns. In September, temperatures range from a minimum of 24°C (76°F) to a maximum of 36°C (97°F) with an average temperature of 29°C (84°F). The month is characterized by significant rainfall, totaling 266 mm (10.5 in) over 24 days and high humidity at 88%. In contrast, October features slightly cooler minimum temperatures at 22°C (73°F), with maximum temperatures rising to 39°C (102°F), maintaining the same average temperature of 29°C (84°F). Precipitation decreases to 185 mm (7.3 in) spread across 16 days, and humidity drops to a more comfortable 79%. For more detailed insights about conditions specific to October, you can check Lop Buri weather in October.

In September, the weather is characterized by high temperatures with a minimum of 24°C (76°F) and an average of 29°C (84°F), reaching a maximum of 36°C (97°F). This month experiences heavy rainfall, with 266 mm (10.5 in) of precipitation over 24 days, and high humidity at 88%. In contrast, November sees slightly cooler temperatures, with a minimum of 21°C (70°F) and an average of 28°C (83°F), peaking at 37°C (98°F). The rainfall significantly drops to just 38 mm (1.5 in) over 6 days, accompanied by a more comfortable humidity level of 68%. For more detailed insights, you can check the Lop Buri weather in November.

September and December present striking differences in weather conditions. In September, the temperatures range from a minimum of 24°C (76°F) to a scorching maximum of 36°C (97°F), with an average of 29°C (84°F). This month is characterized by high humidity at 88% and significant rainfall, totaling 266 mm (10.5 in) over 24 days. In contrast, December sees cooler temperatures, with a minimum of 15°C (60°F) and an average of 27°C (81°F), peaking at 37°C (99°F). Precipitation drops dramatically to just 12 mm (0.5 in) over only 2 days, and humidity decreases to a more comfortable 59%. For more detailed insights into December weather, you can check Lop Buri weather in December.

Compare Lop Buri's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Lop Buri

September in Lop Buri presents a unique contrast to the rest of the year, characterized by its heightened humidity and significant precipitation. The combination of frequent rain and warm temperatures creates a lush, vibrant landscape that sets this month apart. While other months may boast clearer skies and lower humidity, September's monsoonal influence often leads to overcast days and a refreshing atmosphere. Visitors can expect a mix of intermittent showers and warm days, making it an ideal time for exploring the region's rich natural beauty. For more detailed insights, check out Lop Buri Climate.