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September Weather in Nakhon Sawan, Thailand

Last updated: August 27, 2025

In Nakhon Sawan, Thailand, the average temperature in September hovers around 29°C (85°F). Expect a minimum of 24°C (76°F) and a soaring maximum of 36°C (98°F). The region experiences heavy precipitation, averaging 267 mm (10.5 in) over 25 days, contributing to an average humidity level of 88%. Prepare for a warm, humid month filled with rain!

September Temperature in Nakhon Sawan

In September in Nakhon Sawan, the average temperature is 29°C (85°F). Maximums can reach 36°C (98°F), while minimums can drop as low as 24°C (76°F). It's a great time to explore outdoor activities and enjoy the warm weather.

September Weather in Nakhon Sawan: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Nakhon Sawan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nakhon Sawan, September typically has an average temperature of 29°C (85°F), with highs reaching up to 36°C (98°F) and lows dropping to around 24°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec808288898887868584838279
Data source: Temperature data for Nakhon Sawan 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 Nakhon Sawan

In Nakhon Sawan in September, the precipitation amount is 267 mm (10.5 in) over a span of 25 days.

September Precipitation Trends in Nakhon Sawan

The chart displays monthly precipitation patterns in Nakhon Sawan, 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 Nakhon Sawan, September typically receives around 267 mm (10.5 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec151623841191551922312671872512
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Nakhon Sawan

In Nakhon Sawan in September, humidity is 88%. With an average temperature of 29°C (85°F), this humidity feels like a heavy blanket enveloping you, making travel uncomfortable and sticky as you navigate through the warm air.

September Average Humidity in Nakhon Sawan

This chart illustrates the average monthly humidity levels in Nakhon Sawan, 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 Nakhon Sawan is approximately 88%, 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 Nakhon Sawan

In Nakhon Sawan in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Nakhon Sawan.

Maximum UV Index Levels in Nakhon Sawan for September

The chart shows the monthly maximum UV Index (UVI) for Nakhon Sawan 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 Nakhon Sawan typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9121314141314141313109
Data source: Nakhon Sawan 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 Nakhon Sawan Compares to Other Months

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

This table compares monthly weather conditions in Nakhon Sawan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (80°F)15 mm (0.6 inches)50%very high
February Weather28°C (82°F)16 mm (0.6 inches)47%extreme
March Weather31°C (88°F)23 mm (0.9 inches)41%extreme
April Weather32°C (89°F)84 mm (3.3 inches)51%extreme
May Weather31°C (88°F)119 mm (4.7 inches)76%extreme
June Weather31°C (88°F)155 mm (6.1 inches)83%extreme
July Weather30°C (86°F)192 mm (7.6 inches)80%extreme
August Weather29°C (85°F)231 mm (9.1 inches)85%extreme
September Weather29°C (85°F)267 mm (10.5 inches)88%extreme
October Weather29°C (84°F)187 mm (7.4 inches)79%extreme
November Weather28°C (83°F)25 mm (1.0 inches)68%very high
December Weather26°C (79°F)12 mm (0.5 inches)59%very high

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