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September Weather in Kosamphi Nakhon, Thailand

Last updated: August 27, 2025

In Kosamphi Nakhon, Thailand, the average temperature in September hovers around 28°C (83°F), with temperatures ranging from a comfortable 23°C (74°F) to a sweltering 37°C (98°F). Expect 194 mm (7.6 in) of precipitation spread over 20 days, creating an average humidity level of 84% that contributes to the area's tropical feel.

September Temperature in Kosamphi Nakhon

In September in Kosamphi Nakhon, the average temperature is 28°C (83°F), with maximums reaching up to 37°C (98°F) and minimums dropping as low as 23°C (74°F). This makes it an ideal destination for travelers seeking warm weather and plenty of sunshine.

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

The chart illustrates September temperature patterns in Kosamphi Nakhon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kosamphi Nakhon, September typically has an average temperature of 28°C (83°F), with highs reaching up to 37°C (98°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec767985878684838282818075
Data source: Temperature data for Kosamphi Nakhon 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 Kosamphi Nakhon

In Kosamphi Nakhon in September, the precipitation amount is 194 mm (7.6 in) over the course of 20 days.

September Precipitation Trends in Kosamphi Nakhon

The chart displays monthly precipitation patterns in Kosamphi Nakhon, 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 Kosamphi Nakhon, September typically receives around 194 mm (7.6 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec2265581761881822721941211215
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kosamphi Nakhon

In Kosamphi Nakhon in September, humidity is 84%. With an average temperature of 28°C (83°F), this humidity feels like a thick blanket enveloping you, making every step feel heavier and the air almost stifling for traveling.

September Average Humidity in Kosamphi Nakhon

This chart illustrates the average monthly humidity levels in Kosamphi Nakhon, 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 Kosamphi Nakhon is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec51%48%45%49%71%84%84%87%84%71%62%55%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kosamphi Nakhon

In Kosamphi Nakhon 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 Kosamphi Nakhon, you can check here.

Maximum UV Index Levels in Kosamphi Nakhon for September

The chart shows the monthly maximum UV Index (UVI) for Kosamphi Nakhon 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 Kosamphi Nakhon typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121313141314141413109
Data source: Kosamphi Nakhon 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 Kosamphi Nakhon Compares to Other Months

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

This table compares monthly weather conditions in Kosamphi Nakhon, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)22 mm (0.9 inches)51%very high
February Weather26°C (79°F)6 mm (0.2 inches)48%extreme
March Weather29°C (85°F)5 mm (0.2 inches)45%extreme
April Weather31°C (87°F)58 mm (2.3 inches)49%extreme
May Weather30°C (86°F)176 mm (6.9 inches)71%extreme
June Weather29°C (84°F)188 mm (7.4 inches)84%extreme
July Weather28°C (83°F)182 mm (7.2 inches)84%extreme
August Weather28°C (83°F)272 mm (10.7 inches)87%extreme
September Weather28°C (83°F)194 mm (7.6 inches)84%extreme
October Weather27°C (82°F)121 mm (4.8 inches)71%extreme
November Weather26°C (80°F)12 mm (0.5 inches)62%very high
December Weather24°C (76°F)15 mm (0.6 inches)55%very high

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