September Weather in Ottappalam, India

Last updated: August 23, 2025

In September, the average temperature in Ottappalam, India hovers around 26°C (79°F). Expect a pleasant range, with minimums dipping to 22°C (72°F) and maximums reaching 33°C (92°F). However, be prepared for frequent showers, as precipitation totals 316 mm (12.5 in) over 25 days, accompanied by high humidity at 87%. Stay cool and enjoy the tropical vibe!

September Temperature in Ottappalam

In September in Ottappalam, the average temperature is 26°C (79°F). The maximum can reach up to 33°C (92°F), while the minimum can drop as low as 22°C (72°F). This mild and pleasant weather makes Ottappalam an ideal destination for travelers looking to enjoy comfortable outdoor activities.

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

The chart illustrates September temperature patterns in Ottappalam, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ottappalam, September typically has an average temperature of 26°C (79°F), with highs reaching up to 33°C (92°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec818486848179787879798081
Data source: Temperature data for Ottappalam 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 Ottappalam

In Ottappalam in September, the precipitation amount is 316 mm (12.5 in) spread over 25 days, indicating a relatively wet period for the region.

September Precipitation Trends in Ottappalam

The chart displays monthly precipitation patterns in Ottappalam, 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 Ottappalam, September typically receives around 316 mm (12.5 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec1393712125341436146031633012837
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ottappalam

In Ottappalam in September, humidity is 87%. With an average temperature of 26°C (79°F), this humidity feels like walking through a warm, thick blanket, making it essential to stay hydrated and take frequent breaks while exploring.

September Average Humidity in Ottappalam

This chart illustrates the average monthly humidity levels in Ottappalam, 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 Ottappalam is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%57%57%68%81%84%87%87%87%84%82%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ottappalam

In Ottappalam 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 Ottappalam, you can check here.

Maximum UV Index Levels in Ottappalam for September

The chart shows the monthly maximum UV Index (UVI) for Ottappalam 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 Ottappalam typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121313131213141412109
Data source: Ottappalam 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 Ottappalam Compares to Other Months

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

This table compares monthly weather conditions in Ottappalam, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (82°F)13 mm (0.5 inches)64%very high
February Weather29°C (84°F)9 mm (0.3 inches)57%extreme
March Weather30°C (86°F)37 mm (1.4 inches)57%extreme
April Weather29°C (85°F)121 mm (4.8 inches)68%extreme
May Weather27°C (82°F)253 mm (9.9 inches)81%extreme
June Weather26°C (79°F)414 mm (16.3 inches)84%extreme
July Weather25°C (78°F)361 mm (14.2 inches)87%extreme
August Weather25°C (78°F)460 mm (18.1 inches)87%extreme
September Weather26°C (79°F)316 mm (12.5 inches)87%extreme
October Weather26°C (79°F)330 mm (13.0 inches)84%extreme
November Weather27°C (80°F)128 mm (5.0 inches)82%very high
December Weather27°C (81°F)37 mm (1.5 inches)76%very high

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