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September Weather in Phonphisai, Thailand

Last updated: August 27, 2025

In September, the average temperature in Phonphisai, Thailand is a warm 28°C (83°F), with minimums dipping to 22°C (72°F) and peaking at a hot 36°C (97°F). Expect significant rainfall with a total precipitation of 291 mm (11.5 in) over approximately 24 days. The atmosphere is notably humid, averaging around 86%, making it essential to stay hydrated and cool during your visit!

September Temperature in Phonphisai

In September in Phonphisai, the average temperature is 28°C (83°F). Maximum temperatures can reach 36°C (97°F), while the minimum can drop to as low as 22°C (72°F). It's a great time to visit for those who enjoy warm weather and outdoor activities.

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

The chart illustrates September temperature patterns in Phonphisai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Phonphisai, September typically has an average temperature of 28°C (83°F), with highs reaching up to 36°C (97°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec747682848484838283817973
Data source: Temperature data for Phonphisai 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 Phonphisai

In Phonphisai in September, the total precipitation amount is 291 mm (11.5 in) spread over a duration of 24 days.

September Precipitation Trends in Phonphisai

The chart displays monthly precipitation patterns in Phonphisai, 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 Phonphisai, September typically receives around 291 mm (11.5 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec512498122835241446929112385
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Phonphisai

In Phonphisai 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 Phonphisai

This chart illustrates the average monthly humidity levels in Phonphisai, 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 Phonphisai 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 Phonphisai

In Phonphisai 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 Phonphisai, you can check here.

Maximum UV Index Levels in Phonphisai for September

The chart shows the monthly maximum UV Index (UVI) for Phonphisai 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 Phonphisai typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131414131414141298
Data source: Phonphisai 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 Phonphisai Compares to Other Months

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

This table compares monthly weather conditions in Phonphisai, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)5 mm (0.2 inches)59%very high
February Weather24°C (76°F)12 mm (0.5 inches)54%extreme
March Weather28°C (82°F)48 mm (1.9 inches)45%extreme
April Weather29°C (84°F)81 mm (3.2 inches)40%extreme
May Weather29°C (84°F)227 mm (9.0 inches)65%extreme
June Weather29°C (84°F)352 mm (13.8 inches)82%extreme
July Weather28°C (83°F)414 mm (16.3 inches)90%extreme
August Weather28°C (83°F)469 mm (18.5 inches)92%extreme
September Weather28°C (83°F)291 mm (11.5 inches)86%extreme
October Weather27°C (82°F)123 mm (4.8 inches)80%extreme
November Weather26°C (79°F)8 mm (0.3 inches)72%very high
December Weather23°C (73°F)5 mm (0.2 inches)66%very high

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