September Weather in Phang Nga, Thailand

Last updated: August 27, 2025

In September, Phang Nga, Thailand, experiences a tropical climate characterized by warm temperatures and high humidity. With maximum highs reaching 34°C (94°F) and an average of 26°C (80°F), the weather can be quite intense. Minimum temperatures hover around 22°C (73°F), providing some relief from the heat during the evenings. This month is notable for its abundant rainfall, accumulating around 324 mm (12.8 in) over approximately 26 rainy days, making it one of the wettest periods of the year. Visitors should prepare for both the warmth and the frequent showers typical of this season in Phang Nga.

September Temperature in Phang Nga

In September, Phang Nga, Thailand, experiences a slight dip in temperatures, with minimums around 22°C (73°F) and averages settling at 26°C (80°F). The maximum temperatures peak at 34°C (94°F), signifying a continuation of the warm and humid tropical conditions typical of the region. This month marks the transition towards the cooler fall months, as temperatures begin to shift gradually after the high heat of summer, yet the humidity remains high, maintaining a lush, vibrant landscape. While the warmth is still inviting, September's weather is more subdued, offering a comfortable escape for travelers seeking to enjoy the rich beauty of Phang Nga’s natural surroundings without the intense heat found in the preceding months.

September Weather in Phang Nga: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Phang Nga, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Phang Nga, 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).
JanFebMarAprMayJunJulAugSepOctNovDec808182818181818079797979
Data source: Temperature data for Phang Nga 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 Phang Nga

In September, Phang Nga, Thailand experiences a notable increase in precipitation, totaling 324 mm (12.8 in), marking one of the wettest months of the year. This significant rainfall is spread over approximately 26 days, contributing to the region's lush landscape. As the rainy season peaks, September often sees an uptick in moisture compared to previous months, with only a slight decline expected in October. This trend underscores the transition into the heart of the wet season, where the cumulative rainfall from earlier months builds up, creating a vibrant environment but also bringing challenges in daily activities. The persistent showers during this time highlight Phang Nga's tropical climate, reminding visitors and locals alike of the region's rich biodiversity nurtured by these abundant rains.

September Precipitation Trends in Phang Nga

The chart displays monthly precipitation patterns in Phang Nga, 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 Phang Nga, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec12032104257339277255277325391269139
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Phang Nga

As September rolls into Phang Nga, Thailand, the humidity remains notably high at 87%, marking a slight decrease from the peak summer months of August and July, both hitting 88% and 86%, respectively. This consistency in elevated humidity levels through the middle of the year, with averages soaring between 77% and 88%, hints at the region's tropical climate. Following September, the humidity levels reveal a subtle decline as the year progresses, stabilizing around 86% in October before gently fluctuating toward the end of the year. The transition patterns highlight not only the resilience of the tropical climate but also a persistent sense of moisture that characterizes Phang Nga throughout the year.

September Average Humidity in Phang Nga

This chart illustrates the average monthly humidity levels in Phang Nga, 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 Phang Nga is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%68%68%69%77%86%86%88%87%86%87%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Phang Nga

In September, Phang Nga, Thailand, continues to experience an extremely high UV Index of 14, consistent with the summer months and reflecting the region’s unyielding sunshine. For locals and travelers alike, this means a burn time of just 10 minutes, emphasizing the importance of sun protection. As we move past the peak of the dry season, the UV levels remain steadfast—only slightly dipping from the peak values seen in March and April. Overall, the trend shows a persistent need for vigilance against UV exposure throughout the year, making it essential to stay informed. For detailed information, check the Phang Nga UV Index.

Maximum UV Index Levels in Phang Nga for September

The chart shows the monthly maximum UV Index (UVI) for Phang Nga 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 Phang Nga typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121415151413131414141211
Data source: Phang Nga 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 Phang Nga

As September blooms in Phang Nga, Thailand, the region enjoys 268 hours of sunshine, marking a gentle dip from the vibrant summer months. This decrease is part of a broader seasonal trend, where the sun's rays gradually wane after the peak brightness of March, which boasts an impressive 343 hours. Following August’s sunny embrace of 300 hours, September transitions into a lush, tropical landscape, perfect for exploration. Though daylight hours lessen, the charm of Phang Nga remains steadfast, offering a delicate balance between warmth and the impending rains of October, which closely follows with 267 hours. Visitors can relish the beauty of nature coming alive amidst gentle sunlight, making September an enchanting time to experience this captivating part of Thailand.

Monthly Sunshine Duration in Phang Nga: September Highlighted

The September sunshine duration represents the total number of hours Phang Nga 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.
JanFebMarAprMayJunJulAugSepOctNovDec254h310h343h313h299h287h307h300h268h267h278h304h
Data source: Phang Nga September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Phang Nga During September

When considering the likelihood of sunny weather in September in Phang Nga, Thailand, it's clear that this month falls into the lower range of sunshine chances, with only a 10% probability. This trend continues from the summer months, where August recorded a mere 7%, signaling a shift to predominantly overcast conditions. Following September, October offers a slight improvement at 11%, but the overall picture suggests that those hoping for sun should temper their expectations. As the year progresses toward December, there’s a noticeable uptick in sunshine with a 38% chance, making it wise to plan for sunnier adventures later in the year while preparing for the more overcast September weather.

Percentage of Sunny Days in September in Phang Nga

The chart illustrates the percentage of sunny days in Phang Nga 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 Phang Nga experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%46%36%18%14%17%15%7%10%11%5%38%
Data source: Phang Nga September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Phang Nga in September

In Phang Nga, Thailand, the month of September continues the trend of abundant daylight seen throughout the preceding months. With 12 hours of daylight, September mirrors the consistent light duration observed from March through August. This period of steady sunlight provides ample opportunity for outdoor adventures and exploration of the region's stunning natural beauty. As the year transitions towards its end, daylight begins to taper off, with October and subsequent months bringing shorter days of 11 hours each. This gradual shift highlights the dynamic rhythm of daylight in this tropical paradise, where nature's cycle profoundly influences daily life and activities.

Average Daylight Hours in Phang Nga for September

The chart illustrates the variation in daylight duration in Phang Nga throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 40m11h 50m12h 3m12h 17m12h 29m12h 35m12h 32m12h 22m12h 8m11h 55m11h 43m11h 37m
Data source: Phang Nga daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Phang Nga

In September, the wind in Phang Nga, Thailand picks up slightly from the sultry summer months, averaging 1.8 m/s (4 mph). This gentle breeze is reminiscent of the calm before the seasonal transitions, providing a refreshing contrast to the peak heat of the preceding months. Following the mild winds of July and August, September’s breeziness signals a subtle shift in the atmosphere, setting the stage for the upcoming wet season. As the year progresses, we see fluctuating wind patterns, with a noticeable peak in January and December, where speeds reach 2.3 m/s (5 mph), adding a lively touch to the serene coastal landscape. Overall, September serves as a bridge, harmonizing summer's warmth with the upcoming invigorating winds of fall.

Average September Wind Speed in Phang Nga

The chart displays monthly wind speed patterns in Phang Nga, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.32.01.51.51.51.92.32.01.8 m/s1.91.42.3
Data source: Phang Nga September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Phang Nga Compares to Other Months

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

In September, the weather is characterized by warm temperatures ranging from a minimum of 22°C (73°F) to a maximum of 34°C (94°F), accompanied by high humidity levels of 87% and substantial precipitation of 324 mm (12.8 in) over 26 days. This creates a particularly tropical and wet environment. In contrast, January experiences slightly cooler temperatures, with a minimum of 20°C (68°F) and a maximum of 36°C (97°F), but significantly less rainfall at 120 mm (4.7 in) spread over only 12 days. The humidity also decreases to 72%, resulting in more comfortable conditions. For more details, visit Phang Nga weather in January.

In comparing the weather between September and February, September is characterized by significantly higher humidity at 87% and notable rainfall, averaging 324 mm over 26 days. Temperatures range from a minimum of 22°C (73°F) to a maximum of 34°C (94°F), creating a warm yet often muggy atmosphere. In contrast, February showcases milder weather with lower humidity at 68%, minimal precipitation of just 32 mm over 6 days, and a broader temperature range where it can peak at a scorching 38°C (100°F). For more detailed insights, you can check out Phang Nga weather in February.

September and March present contrasting weather conditions. In September, temperatures range from a minimum of 22°C (73°F) to a maximum of 34°C (94°F), with an average of 26°C (80°F). This month is characterized by high humidity at 87% and substantial rainfall, totaling 324 mm (12.8 in) over 26 days. In contrast, March showcases warmer temperatures, with minimums of 20°C (69°F) and maximums reaching 38°C (100°F), averaging around 28°C (82°F). Precipitation significantly decreases to 104 mm (4.1 in) over just 13 days, accompanied by lower humidity at 68%. For more details on March weather, you can explore Phang Nga weather in March.

When comparing the weather of September and April, it’s interesting to note the similarities and differences. Both months experience a minimum temperature of around 22°C (73°F), but April tends to be slightly warmer with an average temperature of 27°C (82°F) compared to September's average of 26°C (80°F). Additionally, April can reach a higher maximum temperature of 37°C (100°F), making it feel hotter than September, where the maximum reaches 34°C (94°F).

In terms of precipitation, September is significantly wetter, with 324 mm (12.8 in) falling over 26 days, while April sees less rain at 257 mm (10.1 in) across 24 days. This contributes to higher humidity in September at 87%, compared to April's more comfortable 69%. For a more detailed look at April weather in the region, you can visit Phang Nga weather in April.

September and May share similar warm temperatures, with September experiencing a minimum of 22°C (73°F) and an average of 26°C (80°F), while May presents a slightly higher minimum of 23°C (73°F) and an average of 27°C (81°F). Both months feature high maximum temperatures, with September peaking at 34°C (94°F) and May reaching 35°C (95°F). However, when it comes to precipitation, September sees 324 mm (12.8 in) over 26 rainy days, whereas May has a bit more rainfall at 339 mm (13.4 in) spread across 29 days, contributing to a higher humidity level in September at 87% compared to May's 77%. For more specific details on May weather, check out Phang Nga weather in May.

September and June showcase similar temperature ranges, with minimums around 22-23°C (73°F), average highs of 26-27°C (80-81°F), and maximums reaching up to 34°C (94°F). However, September typically experiences a higher degree of precipitation, with 324 mm (12.8 in) over 26 days compared to June’s 277 mm (10.9 in) over 27 days. The humidity levels are also comparable, hovering around 86-87%. Overall, while both months are warm, September tends to be wetter than June. For a closer look at June weather patterns, you can visit Phang Nga weather in June.

In comparing the weather between September and July, we notice that September presents slightly warmer averages, with temperatures ranging from a minimum of 22°C (73°F) to a maximum of 34°C (94°F). In contrast, July has a median temperature of 27°C (81°F), with minima and maxima of 23°C (73°F) and 33°C (92°F), respectively. Both months experience significant precipitation, but September is notably wetter, with 324 mm (12.8 in) over 26 days, compared to July's 255 mm (10.0 in) across 25 days. Humidity levels are high in both months, with September at 87% and July slightly lower at 86%. For a more detailed look at July’s conditions, you can check out Phang Nga weather in July.

September's weather shows a minor dip in minimum temperature compared to August, with averages staying consistent at around 26°C (80°F). However, September is notably wetter, with 324 mm (12.8 in) of precipitation falling over 26 days, compared to August's 277 mm (10.9 in) over 25 days. Humidity levels are slightly lower in September at 87% compared to 88% in August. For a detailed comparison of conditions during this month, you can refer to Phang Nga weather in August.

In comparing the weather of September and October, both months maintain similar average temperatures, with September averaging 26°C (80°F) and October also at 26°C (80°F). However, October shows a slight rise in maximum temperatures, reaching up to 35°C (95°F) compared to September's 34°C (94°F). Precipitation levels increase in October, totaling 391 mm (15.4 in) over 28 days, whereas September sees 324 mm (12.8 in) over 26 days. Humidity remains fairly consistent, with September at 87% and October slightly lower at 86%. For more detailed climate insights, check out Phang Nga weather in October.

In comparing the weather between September and November, we see that both months feature a similar temperature range, with minimums at 22°C (73°F), averages at 26°C (80°F), and maximums reaching 34°C (94°F). However, November generally experiences slightly less precipitation, with 269 mm (10.6 in) compared to September's 324 mm (12.8 in), despite sharing the same number of rainy days at 26. Interestingly, humidity remains consistent at 87% for both months, contributing to a tropical feel. For more detailed information, you can check Phang Nga weather in November.

September weather is characterized by warm temperatures, with a minimum of 22°C (73°F), an average of 26°C (80°F), and a maximum reaching 34°C (94°F). The month is quite rainy, with substantial precipitation of 324 mm (12.8 in) over 26 days, contributing to a high humidity level of 87%. In contrast, December sees slightly cooler conditions, with a minimum temperature of 20°C (68°F) and a similar average of 26°C (79°F). The maximum temperature remains comparable at 34°C (93°F), but the precipitation drops significantly to 139 mm (5.5 in) across 15 days, resulting in less humidity at 83%. Overall, December offers more manageable weather with reduced rainfall and humidity. For more details, you can check Phang Nga weather in December.

Compare Phang Nga's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Phang Nga

As September descends upon Phang Nga, the weather presents a distinct shift characterized by higher humidity and frequent rainfall, leading to a lush, verdant landscape. The average temperatures remain relatively warm, but the notable increase in precipitation, often manifesting as daily showers, distinguishes this month from its drier counterparts. Travelers can expect a more tropical atmosphere, enhancing the region's already breathtaking beauty. Whether you're seeking adventure or tranquility, September offers a unique experience that highlights the charm of Phang Nga's climate. For more insights on what to expect throughout the year, visit Phang Nga Climate.