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September Weather in Nam Phong, Thailand

Last updated: August 27, 2025

In September, the average temperature in Nam Phong, Thailand is a warm 28°C (83°F). Expect minimums of 23°C (74°F) and maximums soaring to 35°C (95°F). During this time, the region sees about 235 mm (9.3 in) of precipitation spread over 23 days, contributing to an average humidity of 86%. Be prepared for a tropical atmosphere!

September Temperature in Nam Phong

In September in Nam Phong, the average temperature is 28°C (83°F). Maximum temperatures can reach 35°C (95°F), while the minimum can drop to as low as 23°C (74°F). This warm climate makes Nam Phong an ideal destination for travelers seeking pleasant weather and outdoor activities.

September Weather in Nam Phong: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Nam Phong, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nam Phong, September typically has an average temperature of 28°C (83°F), with highs reaching up to 35°C (95°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec767884858585848383817974
Data source: Temperature data for Nam Phong 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 Nam Phong

In Nam Phong in September, the precipitation amount is 235 mm (9.3 in) spread over 23 days.

September Precipitation Trends in Nam Phong

The chart displays monthly precipitation patterns in Nam Phong, 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 Nam Phong, September typically receives around 235 mm (9.3 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec4102873153151239220235131257
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Nam Phong

In Nam Phong in September humidity is 86%. With an average temperature of 28°C (83°F), this humidity feels like a heavy blanket enveloping you, making every step feel sluggish and every breath a reminder of the tropical heat, which can be quite challenging for traveling.

September Average Humidity in Nam Phong

This chart illustrates the average monthly humidity levels in Nam Phong, 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 Nam Phong is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec59%54%45%40%65%82%90%92%86%80%72%67%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Nam Phong

In Nam Phong in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Nam Phong, you can check here.

Maximum UV Index Levels in Nam Phong for September

The chart shows the monthly maximum UV Index (UVI) for Nam Phong 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 Nam Phong typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9121314141315141412109
Data source: Nam Phong 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.

How September Weather in Nam Phong Compares to Other Months

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

This table compares monthly weather conditions in Nam Phong, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)4 mm (0.2 inches)59%very high
February Weather25°C (78°F)10 mm (0.4 inches)54%extreme
March Weather29°C (84°F)28 mm (1.1 inches)45%extreme
April Weather30°C (86°F)73 mm (2.9 inches)40%extreme
May Weather29°C (85°F)153 mm (6.0 inches)65%extreme
June Weather29°C (85°F)151 mm (6.0 inches)82%extreme
July Weather29°C (84°F)239 mm (9.4 inches)90%extreme
August Weather28°C (84°F)220 mm (8.7 inches)92%extreme
September Weather28°C (83°F)235 mm (9.3 inches)86%extreme
October Weather27°C (82°F)131 mm (5.2 inches)80%extreme
November Weather26°C (79°F)25 mm (1.0 inches)72%very high
December Weather24°C (75°F)7 mm (0.3 inches)66%very high

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