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September Weather in Chengam, India

Last updated: August 23, 2025

In Chengam, India, the average temperature in September hovers around 28°C (82°F). You'll experience a comfortable minimum of 23°C (73°F), while maximums can soar up to 37°C (99°F). Be prepared for 152 mm (6.0 in) of precipitation spread across 18 days, coupled with a notable average humidity level of 79%.

September Temperature in Chengam

In September in Chengam, the average temperature is 28°C (82°F). Maximums can reach 37°C (99°F) and minimums can be as low as 23°C (73°F). This makes it a perfect time for travelers looking to enjoy warm weather and outdoor activities.

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

The chart illustrates September temperature patterns in Chengam, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chengam, September typically has an average temperature of 28°C (82°F), with highs reaching up to 37°C (99°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec757882868786848482807775
Data source: Temperature data for Chengam 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 Chengam

In Chengam in September, the precipitation amount is 152 mm (6.0 in) distributed over 18 days.

September Precipitation Trends in Chengam

The chart displays monthly precipitation patterns in Chengam, 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 Chengam, September typically receives around 152 mm (6.0 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec243141254111847615216721373
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chengam

In Chengam in September humidity is 79%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket wrapping around you, making outdoor exploration more strenuous and requiring frequent breaks for hydration.

September Average Humidity in Chengam

This chart illustrates the average monthly humidity levels in Chengam, 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 Chengam is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%64%51%50%62%68%59%72%79%88%89%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chengam

In Chengam 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 Chengam.

Maximum UV Index Levels in Chengam for September

The chart shows the monthly maximum UV Index (UVI) for Chengam 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 Chengam typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121314131213141311119
Data source: Chengam 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 Chengam Compares to Other Months

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

This table compares monthly weather conditions in Chengam, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)24 mm (1.0 inches)73%very high
February Weather25°C (78°F)3 mm (0.1 inches)64%extreme
March Weather28°C (82°F)14 mm (0.6 inches)51%extreme
April Weather30°C (86°F)12 mm (0.5 inches)50%extreme
May Weather30°C (87°F)54 mm (2.1 inches)62%extreme
June Weather30°C (86°F)111 mm (4.4 inches)68%extreme
July Weather29°C (84°F)84 mm (3.3 inches)59%extreme
August Weather29°C (84°F)76 mm (3.0 inches)72%extreme
September Weather28°C (82°F)152 mm (6.0 inches)79%extreme
October Weather27°C (80°F)167 mm (6.6 inches)88%extreme
November Weather25°C (78°F)213 mm (8.4 inches)89%extreme
December Weather24°C (75°F)73 mm (2.9 inches)85%very high

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