nomadseason

September Weather in Kotamangalam, India

Last updated: August 23, 2025

In Kotamangalam, India, the average temperature in September hovers around 25°C (78°F), making it a delightful time to visit. However, be prepared for some variation, with temperatures dipping to a minimum of 21°C (70°F) and peaking at 31°C (88°F). Visitors should also anticipate 323 mm (12.7 in) of precipitation over 25 days, contributing to a humid atmosphere with an average humidity of 85%. Perfect for those who enjoy a lush and vibrant environment!

September Temperature in Kotamangalam

In September in Kotamangalam, the average temperature is 25°C (78°F). Maximum temperatures can reach 31°C (88°F), while minimums can drop to as low as 21°C (70°F). This makes Kotamangalam an ideal destination for warm-weather activities and outdoor exploration.

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

The chart illustrates September temperature patterns in Kotamangalam, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kotamangalam, September typically has an average temperature of 25°C (78°F), with highs reaching up to 31°C (88°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec788081817978777777777878
Data source: Temperature data for Kotamangalam generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Kotamangalam

In Kotamangalam in September, the total precipitation amount is 323 mm (12.7 in) over the course of 25 days.

September Precipitation Trends in Kotamangalam

The chart displays monthly precipitation patterns in Kotamangalam, 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 Kotamangalam, September typically receives around 323 mm (12.7 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec1183699171351426390541323496432182
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Kotamangalam

In Kotamangalam in September humidity is 85%. With an average temperature of 25°C (78°F), this humidity feels like traveling through a warm, damp blanket that clings to your skin, making even short walks feel exhausting and prompting frequent breaks in the shade or a refreshing drink to stay cool.

September Average Humidity in Kotamangalam

This chart illustrates the average monthly humidity levels in Kotamangalam, 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 Kotamangalam is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%64%66%71%77%83%86%87%85%84%83%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kotamangalam

In Kotamangalam 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 Kotamangalam, you can check here.

Maximum UV Index Levels in Kotamangalam for September

The chart shows the monthly maximum UV Index (UVI) for Kotamangalam 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 Kotamangalam typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111313151413131414121010
Data source: Kotamangalam 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 Kotamangalam Compares to Other Months

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

This table compares monthly weather conditions in Kotamangalam, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (78°F)118 mm (4.6 inches)70%extreme
February Weather27°C (80°F)36 mm (1.4 inches)64%extreme
March Weather27°C (82°F)99 mm (3.9 inches)66%extreme
April Weather27°C (81°F)171 mm (6.7 inches)71%extreme
May Weather26°C (80°F)351 mm (13.8 inches)77%extreme
June Weather25°C (78°F)426 mm (16.8 inches)83%extreme
July Weather25°C (77°F)390 mm (15.4 inches)86%extreme
August Weather25°C (77°F)541 mm (21.3 inches)87%extreme
September Weather25°C (78°F)323 mm (12.7 inches)85%extreme
October Weather25°C (78°F)496 mm (19.5 inches)84%extreme
November Weather26°C (78°F)432 mm (17.0 inches)83%very high
December Weather26°C (78°F)182 mm (7.2 inches)80%very high

Compare Kotamangalam's Climate with Cities Worldwide