September Weather in Tiruvannamalai, India

Last updated: August 21, 2025

September in Tiruvannamalai, India, presents a vibrant tapestry of weather characterized by a maximum temperature reaching up to 38°C (100°F), with an average of 29°C (84°F) and a minimum of 23°C (74°F). This month ushers in a noticeable shift as precipitation totals around 146 mm (5.7 in) over 17 days, contributing to the lush landscape and increased humidity levels of 79%. Visitors can expect a blend of warm, sultry days and refreshing showers that create a unique atmosphere celebrated by locals and travelers alike.

September Temperature in Tiruvannamalai

September in Tiruvannamalai marks a transitional period as the summer heat begins to wane. With minimum temperatures around 23°C (74°F) and averages settling at a comfortable 29°C (84°F), the weather remains pleasant despite the lingering warmth, peaking at a maximum of 38°C (100°F). This month reflects a notable decrease from the intense highs of July and August, hinting at the arrival of milder conditions that set the stage for the upcoming months. As the landscape shifts, the warmth and humidity start to recede, inviting visitors to explore the area's rich spiritual heritage amidst the more temperate climate.

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

The chart illustrates September temperature patterns in Tiruvannamalai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tiruvannamalai, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec767983888988878684827977
Data source: Temperature data for Tiruvannamalai 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 Tiruvannamalai

September marks a significant shift in the precipitation patterns of Tiruvannamalai, India, bringing a dramatic increase in rainfall. With 146 mm (5.7 in) of rain falling over 17 days, the month stands out as one of the wettest of the year, paving the way for the lush landscape that follows. This surge in precipitation is a sharp contrast to the relatively dry months preceding it, where January through August recorded modest totals ranging from 3 mm to 85 mm. The onset of the South West Monsoon fully reveals its strength in September, setting the stage for October and November, which continue the trend with even higher rainfall. This pattern not only revitalizes the local ecosystem but also highlights the rhythmic nature of Tiruvannamalai's climate, where the rainy season brings much-needed relief after the hotter months.

September Precipitation Trends in Tiruvannamalai

The chart displays monthly precipitation patterns in Tiruvannamalai, 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 Tiruvannamalai, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec2331173976798514615122275
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tiruvannamalai

September in Tiruvannamalai marks a noticeable shift in humidity, rising to 79% as the monsoon season continues to influence the region. This increase is part of a broader trend seen throughout the year, where humidity levels generally fluctuate between 50% and 90%. After a dip in the dry months of March and April, when humidity levels reach their lowest points, the trend begins to rise steadily from May onwards, culminating in the peak of 88% reached in October. The humidity in September showcases the growing presence of moisture in the air, setting the stage for the even higher levels that follow in the autumn months. As the landscape becomes lush and vibrant, the elevated humidity creates a distinctly rich atmosphere characteristic of this time of year.

September Average Humidity in Tiruvannamalai

This chart illustrates the average monthly humidity levels in Tiruvannamalai, 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 Tiruvannamalai is approximately {2}%, 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 Tiruvannamalai

In September, Tiruvannamalai experiences a UV Index of 13, classified as extreme, with a burn time of just 10 minutes. This positions the month within a broader trend of heightened UV levels that begin in February and continue through October, with several months peaking at 14. While January and December see a slight reprieve with a very high category, from February to September, residents and visitors should remain vigilant, as sun exposure can lead to rapid skin damage. The consistent extremes during this period emphasize the importance of sun protection practices to stay safe. For more detailed insights, visit Tiruvannamalai UV Index.

Maximum UV Index Levels in Tiruvannamalai for September

The chart shows the monthly maximum UV Index (UVI) for Tiruvannamalai 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 Tiruvannamalai typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121314131213141311119
Data source: Tiruvannamalai 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.

September Sunshine in Tiruvannamalai

As summer yields to autumn, September in Tiruvannamalai brings a gentle shift in sunlight, offering residents and visitors 291 hours of golden warmth. While this month sees a decline from the sun-drenched peak of 351 hours recorded in May, it still holds its place as a vibrant transition into cooler days. The sun begins its slow retreat, a trend marked by a gradual decrease in daylight from the summer months, yet remains plentiful compared to the cloudier winter ahead. This rhythmic change enhances the serene beauty of Tiruvannamalai, creating a perfect backdrop for reflection and connection with nature amidst a tapestry of soft, waning light.

Monthly Sunshine Duration in Tiruvannamalai: September Highlighted

The September sunshine duration represents the total number of hours Tiruvannamalai experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec255h307h345h340h351h314h307h299h291h297h245h284h
Data source: Tiruvannamalai September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tiruvannamalai During September

In Tiruvannamalai, India, the likelihood of sunny weather takes a noticeable dip in September, where the chance of sun falls to a mere 13%. This trend reflects a broader pattern throughout the monsoon season, as the months leading up to September, particularly June, July, and August, show similarly low probabilities of sunshine, with chances consistently below 20%. Following this, the chances slightly improve in October before experiencing a more substantial increase in November, where the sunshine likelihood plummets to just 5%. Therefore, if you're planning a visit in September, prepare for overcast skies, as the region embraces the rainy season's embrace while awaiting the more sun-kissed days that autumn will soon bring.

Percentage of Sunny Days in September in Tiruvannamalai

The chart illustrates the percentage of sunny days in Tiruvannamalai throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Tiruvannamalai experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec31%72%71%50%34%18%14%13%13%16%5%58%
Data source: Tiruvannamalai September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tiruvannamalai in September

In Tiruvannamalai, India, the month of September enjoys a consistent 12 hours of daylight, mirroring the extended periods of sunshine seen from March through August. This duration reflects a stable pattern of daylight that peaks in the warmer months, providing ample opportunity for exploration and outdoor activities. As the year transitions towards the end, the daylight begins to decrease, with October bringing a slight reduction to 11 hours. This steady rhythm of daylight underscores the region's unique balance between seasonal warmth and illumination, enticing visitors to experience its vibrant culture under the sun.

Average Daylight Hours in Tiruvannamalai for September

The chart illustrates the variation in daylight duration in Tiruvannamalai throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 28m11h 43m12h 3m12h 23m12h 40m12h 49m12h 44m12h 29m12h 10m11h 50m11h 33m11h 24m
Data source: Tiruvannamalai daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Tiruvannamalai

As September unfolds in Tiruvannamalai, the average wind speed gently hovers around 2.4 m/s (5 mph), a subtle increase from the summer months of August. This month represents a transitional phase, where the breezy whispers of the wind begin to prepare the landscape for the shift into the milder autumn season. The wind speeds have generally been on a gradual rise since May, peaking in June and July at 3.2 m/s (7 mph), before tapering off slightly. This year, September's gentle breezes provide a refreshing contrast to the warmer summer days, making it an ideal time for residents and visitors to immerse themselves in the spiritual and natural beauty of the region, as the winds become a soft chorus to the temple bells and rustling leaves.

Average September Wind Speed in Tiruvannamalai

The chart displays monthly wind speed patterns in Tiruvannamalai, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.22.11.71.72.53.23.22.92.4 m/s1.62.02.1
Data source: Tiruvannamalai September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Tiruvannamalai Compares to Other Months

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

September and January present notably different weather conditions. In September, temperatures range from a minimum of 23°C (74°F) to a scorching maximum of 38°C (100°F), with an average of 29°C (84°F). This month also experiences significant rainfall, totaling 146 mm (5.7 in) across approximately 17 days, contributing to high humidity levels of around 79%. In contrast, January sees milder temperatures, with a minimum of 17°C (62°F) and a maximum of 33°C (92°F), averaging 25°C (77°F). The precipitation is much lighter at 23 mm (0.9 in), spread over just 4 days, and humidity slightly decreases to 73%. For more detailed information, you can check out Tiruvannamalai weather in January.

September and February present a stark contrast in weather conditions. In September, temperatures soar from a minimum of 23°C (74°F) to a maximum of 38°C (100°F), averaging around 29°C (84°F). This month is also marked by significant precipitation, with an average of 146 mm (5.7 in) spread over 17 days, resulting in high humidity levels of 79%. In contrast, February enjoys milder temperatures, ranging from a minimum of 16°C (62°F) to a maximum of 36°C (97°F), with a more comfortable average of 26°C (79°F). Notably, February experiences very little rainfall, with only 3 mm (0.1 in) recorded and no rainy days, leading to a lower humidity level of 64%. For more details on February weather, visit Tiruvannamalai weather in February.

When comparing the weather in September and March, September tends to be much wetter and more humid. September has temperatures ranging from a minimum of 23°C (74°F) to a maximum of 38°C (100°F), accompanied by significant rainfall of 146 mm (5.7 in) over 17 days and a high humidity level of 79%. In contrast, March experiences slightly warmer average temperatures, with a minimum of 19°C (66°F) and a maximum of 39°C (102°F), but it is considerably drier, receiving only 11 mm (0.4 in) of precipitation over just 2 days and with a lower humidity of 51%. For a more detailed look at the weather conditions during this month, visit Tiruvannamalai weather in March.

When comparing the weather in September and April, it’s clear that both months experience warm temperatures, but they differ significantly in humidity and precipitation. September has a minimum temperature of 23°C (74°F) and averages around 29°C (84°F), reaching a maximum of 38°C (100°F), accompanied by considerable rainfall of 146 mm (5.7 in) over 17 days and high humidity at 79%. In contrast, April tends to be hotter, with an average temperature of 31°C (88°F) and a peak of 40°C (104°F), but it sees minimal rainfall of just 7 mm (0.3 in) across only 2 days and a much lower humidity level of 50%. For more details on the specific weather conditions in April, you can refer to Tiruvannamalai weather in April.

In September, the weather is characterized by slightly lower temperatures, with a minimum of 23°C and an average of 29°C, while maximums can reach up to 38°C. This month experiences significant precipitation, totaling 146 mm across 17 days, which contributes to a high humidity level of 79%. In contrast, May tends to be warmer overall, featuring a minimum temperature of 24°C and an average of 32°C, with peak temperatures soaring to 41°C. The rainfall is considerably less, at 39 mm over just 8 days, resulting in a lower humidity of 62%. For a more detailed look at the conditions, check out Tiruvannamalai weather in May.

In comparing the weather of September and June, one can observe distinct differences in temperature, precipitation, and humidity. September typically experiences a minimum temperature of 23°C (74°F), with an average of 29°C (84°F) and a maximum of 38°C (100°F). It also sees significant rainfall, with 146 mm (5.7 in) over 17 days and a high humidity level of 79%. In contrast, June presents slightly warmer conditions, with a minimum of 25°C (77°F), an average of 31°C (89°F), and a maximum of 40°C (104°F). Additionally, June has less precipitation, totaling 76 mm (3.0 in) over 12 days and a lower humidity of 68%. For a more detailed look at the weather specifics in June, you can visit Tiruvannamalai weather in June.

When comparing the weather in September and July, September tends to be slightly cooler with an average temperature of 29°C (84°F) compared to July's 30°C (87°F). However, July experiences a marginally higher maximum temperature of 39°C (103°F), while September peaks at 38°C (100°F). Precipitation is significantly higher in September, with 146 mm (5.7 in) falling over 17 days, compared to July's 79 mm (3.1 in) over just 13 days. Additionally, the humidity in September is notably higher at 79%, compared to the 59% humidity in July. For more detailed information, you can check out Tiruvannamalai weather in July.

In comparing the weather of September and August, we see some notable differences. September's temperatures range from a minimum of 23°C (74°F) to a maximum of 38°C (100°F), with an average temperature of 29°C (84°F). In contrast, August has slightly warmer temperatures, with a minimum of 24°C (75°F), an average of 30°C (86°F), and a max of 38°C (101°F). Additionally, September experiences significantly more rainfall, with 146 mm (5.7 in) over 17 days, compared to August’s 85 mm (3.3 in) over 13 days. Moreover, humidity is higher in September at 79%, whereas August has a lower humidity level of 72%. For more details, you can check Tiruvannamalai weather in August.

In September, the weather features a warm climate with minimum temperatures around 23°C (74°F) and maximums reaching up to 38°C (100°F). The month averages a temperature of 29°C (84°F) and experiences significant precipitation at 146 mm (5.7 in) over 17 days, coupled with a humidity level of 79%.

October, on the other hand, sees slightly cooler temperatures with a minimum of 21°C (70°F) and maximums of 36°C (98°F). The average temperature drops to 28°C (82°F) and precipitation increases marginally to 151 mm (6.0 in) across 20 days, while humidity rises to 88%. For more detailed information, check out Tiruvannamalai weather in October.

September and November weather in Tiruvannamalai exhibit notable differences. In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 38°C (100°F), with an average of 29°C (84°F). The month experiences considerable rainfall, totaling 146 mm (5.7 in) over 17 days, while humidity sits at 79%. In contrast, November sees cooler temperatures, with a minimum of 20°C (67°F) and a maximum of 34°C (94°F), averaging 26°C (79°F). The precipitation increases to 222 mm (8.8 in) over 18 days, leading to a higher humidity of 89%. For more detailed insights, visit Tiruvannamalai weather in November.

September weather tends to be much warmer and wetter compared to December. With temperatures ranging from a minimum of 23°C (74°F) to a scorching maximum of 38°C (100°F), September experiences an average temperature of 29°C (84°F). This month also sees significant rainfall, with 146 mm (5.7 in) of precipitation spread over 17 days and humidity levels at 79%.

In contrast, December offers a milder climate, with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 33°C (91°F), averaging around 25°C (77°F). Rainfall is considerably less, with only 75 mm (2.9 in) of precipitation over 8 days, and humidity levels rise slightly to 85%. For more detailed information, check out Tiruvannamalai weather in December.

Compare Tiruvannamalai's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Tiruvannamalai

September in Tiruvannamalai marks a transition into the wetter season, with higher levels of precipitation and elevated humidity compared to the preceding months. The average temperature hovers around a comfortable 29°C, offering a respite from the summer heat. However, the occasional spike to maximum temperatures of 38°C reminds us that the summer's warmth still lingers. With about 17 rainy days, this month stands out as a period where the vibrant landscape bursts into life, transforming the region's scenery. For a deeper dive into how these patterns evolve throughout the year, check out the detailed insights at Tiruvannamalai Climate.