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September Weather in Ariyalur, India

Last updated: August 23, 2025

In Ariyalur, India, the average temperature in September reaches a warm 30°C (85°F), with daily highs soaring to 38°C (101°F) and lows dropping to a comfortable 24°C (76°F). Expect an average humidity of 76%, and be prepared for some rain, as 131 mm (5.2 in) of precipitation can fall over approximately 18 days of the month.

September Temperature in Ariyalur

In September, in Ariyalur, the average temperature is 30°C (85°F). Maximums can reach 38°C (101°F) and minimums can be as low as 24°C (76°F). This warm weather makes Ariyalur an ideal destination for travelers seeking sunshine and outdoor adventures.

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

The chart illustrates September temperature patterns in Ariyalur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ariyalur, September typically has an average temperature of 30°C (85°F), with highs reaching up to 38°C (101°F) and lows dropping to around 24°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec788084899090878685838078
Data source: Temperature data for Ariyalur 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 Ariyalur

In Ariyalur in September, the precipitation amount is 131 mm (5.2 in) over the course of 18 days.

September Precipitation Trends in Ariyalur

The chart displays monthly precipitation patterns in Ariyalur, 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 Ariyalur, September typically receives around 131 mm (5.2 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec465131338679295132152204117
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ariyalur

In Ariyalur in September, humidity is 76%. With an average temperature of 30°C (85°F), this humidity feels like a heavy blanket wrapping around you, making traveling quite uncomfortable as the air thickens and even short walks can leave you feeling drenched and exhausted.

September Average Humidity in Ariyalur

This chart illustrates the average monthly humidity levels in Ariyalur, 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 Ariyalur is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%62%57%56%64%71%64%69%76%87%88%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ariyalur

In Ariyalur 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 Ariyalur.

Maximum UV Index Levels in Ariyalur for September

The chart shows the monthly maximum UV Index (UVI) for Ariyalur 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 Ariyalur typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121315121213141312119
Data source: Ariyalur 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 Ariyalur Compares to Other Months

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

This table compares monthly weather conditions in Ariyalur, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)46 mm (1.8 inches)72%very high
February Weather26°C (80°F)5 mm (0.2 inches)62%extreme
March Weather29°C (85°F)13 mm (0.5 inches)57%extreme
April Weather32°C (89°F)13 mm (0.5 inches)56%extreme
May Weather32°C (90°F)38 mm (1.5 inches)64%extreme
June Weather32°C (90°F)66 mm (2.6 inches)71%extreme
July Weather31°C (88°F)92 mm (3.6 inches)64%extreme
August Weather30°C (86°F)95 mm (3.7 inches)69%extreme
September Weather30°C (85°F)131 mm (5.2 inches)76%extreme
October Weather29°C (84°F)152 mm (6.0 inches)87%extreme
November Weather27°C (80°F)204 mm (8.0 inches)88%extreme
December Weather26°C (78°F)117 mm (4.6 inches)83%very high

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