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September Weather in So Phisai, Thailand

Last updated: August 27, 2025

In So Phisai, Thailand, the average temperature for September is a warm 28°C (83°F). Expect a minimum of 22°C (72°F) and a sweltering maximum of 36°C (97°F). During this month, you'll experience precipitation totaling 285 mm (11.2 in) over 24 days, with average humidity hovering around a sticky 86%.

September Temperature in So Phisai

In September in So Phisai, 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 So Phisai: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in So Phisai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In So Phisai, 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).
JanFebMarAprMayJunJulAugSepOctNovDec747682848584838283827973
Data source: Temperature data for So Phisai 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 So Phisai

In So Phisai in September, the precipitation amount is 285 mm (11.2 in) over the course of 24 days.

September Precipitation Trends in So Phisai

The chart displays monthly precipitation patterns in So Phisai, 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 So Phisai, September typically receives around 285 mm (11.2 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec5105382234327437479285117125
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in So Phisai

In So Phisai 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 So Phisai

This chart illustrates the average monthly humidity levels in So Phisai, 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 So Phisai 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 So Phisai

In So Phisai 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 So Phisai, you can check here.

Maximum UV Index Levels in So Phisai for September

The chart shows the monthly maximum UV Index (UVI) for So Phisai 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 So Phisai typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9111414141315141412109
Data source: So Phisai 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 So Phisai Compares to Other Months

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

This table compares monthly weather conditions in So Phisai, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (75°F)5 mm (0.2 inches)59%very high
February Weather24°C (76°F)10 mm (0.4 inches)54%extreme
March Weather28°C (82°F)53 mm (2.1 inches)45%extreme
April Weather29°C (85°F)82 mm (3.2 inches)40%extreme
May Weather29°C (85°F)234 mm (9.2 inches)65%extreme
June Weather29°C (84°F)327 mm (12.9 inches)82%extreme
July Weather28°C (83°F)437 mm (17.2 inches)90%extreme
August Weather28°C (83°F)478 mm (18.8 inches)92%extreme
September Weather28°C (83°F)285 mm (11.2 inches)86%extreme
October Weather28°C (82°F)117 mm (4.6 inches)80%extreme
November Weather26°C (79°F)12 mm (0.5 inches)72%very high
December Weather23°C (73°F)5 mm (0.2 inches)66%very high

Compare So Phisai's Climate with Cities Worldwide