September Weather in Thiruvarur, India

Last updated: August 21, 2025

In Thiruvarur, India, September typically ushers in a blend of warmth and moisture, reflecting its tropical climate. The maximum temperature reaches a pleasant 33°C (92°F), while the average hovers around 29°C (84°F), providing a comfortable backdrop for the month. With minimum temperatures often settling at 25°C (78°F), the evenings remain mild and inviting. However, September also brings considerable rainfall, accumulating 117 mm (4.6 in) over an average of 18 days, contributing to a humidity level of 76%. This combination of warmth and frequent showers makes the month a vibrant time for the region's lush greenery and agricultural activities.

September Temperature in Thiruvarur

In September, Thiruvarur experiences a pleasant transition as it ushers in the monsoon season. With minimum temperatures around 25°C (78°F) and an average hovering at 29°C (84°F), the warmth begins to ease compared to the sweltering heat of summer months. The maximum temperatures reach a comfortable 33°C (92°F), making the climate more bearable for outdoor activities. This month marks a slight dip from the previous highs of August, where average temperatures were similarly warm but under slightly different conditions. The shift from the oppressive heat of May and June to a more moderate September reflects a trend towards increased humidity and rainfall, creating a lush and vibrant landscape while providing a welcome respite from the summer scorcher.

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

The chart illustrates September temperature patterns in Thiruvarur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Thiruvarur, 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).
JanFebMarAprMayJunJulAugSepOctNovDec797982858687868584838079
Data source: Temperature data for Thiruvarur 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 Thiruvarur

In September, Thiruvarur experiences a notable surge in precipitation, with rainfall accumulating to 117 mm (4.6 in) over an average of 18 days. This marks a significant increase compared to the preceding months, particularly after the relatively dry spells of January through May. The arrival of the monsoon continues to invigorate the landscape, setting the stage for the much wetter months ahead. Interestingly, September's rainfall not only stands out for its volume but also foreshadows the even more substantial downpours that will follow in October and November, with October receiving an impressive 195 mm (7.7 in) and November reaching a staggering 415 mm (16.3 in). This pattern emphasizes the transition into the peak of the rainy season, highlighting the resilience of the local ecosystem as it prepares for the heaviest showers of the year.

September Precipitation Trends in Thiruvarur

The chart displays monthly precipitation patterns in Thiruvarur, 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 Thiruvarur, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec8011192328376281117196415233
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Thiruvarur

In September, Thiruvarur experiences a noticeable increase in humidity, reaching 76%—a peak that foreshadows the arrival of the wetter months ahead. Following the summer's milder humidity levels, September marks a transition as the atmospheric moisture begins to rise significantly. This trend continues into October and November, where humidity levels soar to 87% and 88%, respectively, indicating the region's migration toward the monsoon season. As the year progresses, the increasing humidity signals not just a shift in weather patterns but also the lush greenery that the rains will soon bring, creating a vibrant landscape in this beautiful part of India.

September Average Humidity in Thiruvarur

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

In September, Thiruvarur, India, continues to experience an extreme UV index of 13, with a burn time of just 10 minutes under the sun. This month marks a slight decline from August's peak UV index of 14, yet the risk remains significant. The trend in recent months showcases consistently high UV levels, particularly during the summer, reflecting a broader pattern of extreme sunlight exposure that persists through the monsoon season. As the year transitions to cooler months, it’s crucial for residents and visitors alike to remain vigilant in protecting their skin from harmful UV rays. For more information on UV levels throughout the year, check the complete data at Thiruvarur UV Index.

Maximum UV Index Levels in Thiruvarur for September

The chart shows the monthly maximum UV Index (UVI) for Thiruvarur 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 Thiruvarur typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121315121213141311109
Data source: Thiruvarur 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 Thiruvarur

In Thiruvarur, India, September marks the transition from the sweltering summer months to the more pleasant fall season, boasting 304 hours of sunshine. This month, although slightly cooler than the sun-drenched summer peak of May, still enjoys a substantial amount of sunlight compared to the year’s later months. As autumn approaches, the hours of sunlight gradually decline, showcasing a trend where the year starts with robust sunshine in January at 263 hours and peaks in May. Notably, despite September’s decrease, it holds its own, illuminating the landscape and inviting the vibrant hues of early autumn, making it a delightful time to experience the region's charm before the shorter days of winter set in.

Monthly Sunshine Duration in Thiruvarur: September Highlighted

The September sunshine duration represents the total number of hours Thiruvarur 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.
JanFebMarAprMayJunJulAugSepOctNovDec263h310h346h343h348h330h329h309h304h307h257h297h
Data source: Thiruvarur September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Thiruvarur During September

In Thiruvarur, India, September typically brings a modest 21% chance of sunny weather, marking a continuation of the region's transition from the heavy monsoon months. Following the peak rainfall of August, which sees the sun shine just 11% of the time, September's weather remains characterized by lingering clouds and occasional showers. This pattern of diminishing sunlight persists as the year progresses, with the likelihood of sunny days hitting a low of 6% in November, suggesting that those seeking bright days will need to hold out until February for a notable improvement at 63%. Overall, September can be described as a window of gradual recovery towards clearer skies, albeit a rather limited one.

Percentage of Sunny Days in September in Thiruvarur

The chart illustrates the percentage of sunny days in Thiruvarur 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 Thiruvarur experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec28%63%65%57%28%21%20%11%21%18%6%51%
Data source: Thiruvarur September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Thiruvarur in September

In Thiruvarur, India, the daylight duration reveals a captivating rhythm throughout the year. From January to August, residents enjoy a steady 11 to 12 hours of sunlight each day, contributing to an inviting atmosphere. September maintains this delightful trend, offering a consistent 12 hours of daylight, perfect for outdoor activities and community gatherings. As the days shorten towards October, daylight dips back to 11 hours, marking a gentle transition into the cooler months. This seamless flow of daylight not only emphasizes the region's climate stability but also enhances the local lifestyle, blending the vibrancy of sunlight with the rich cultural tapestry of Thiruvarur.

Average Daylight Hours in Thiruvarur for September

The chart illustrates the variation in daylight duration in Thiruvarur throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 33m11h 46m12h 3m12h 21m12h 36m12h 43m12h 40m12h 26m12h 9m11h 52m11h 37m11h 29m
Data source: Thiruvarur daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Thiruvarur

As September arrives in Thiruvarur, India, the winds begin to soften, averaging 4.1 m/s (9 mph)—a slight dip from the summer highs. This month marks a gentle transition from the gusty embrace of the monsoon season, which saw winds peaking at 5.0 m/s (11 mph) in June. The trend throughout the months indicates a peak in wind speed during the early summer, gradually tapering off as the year draws towards its end. While September's breezes remain quite pleasant, they reflect a serene lull as nature prepares for the cooler months ahead, reminding us of the cyclical dance between seasons.

Average September Wind Speed in Thiruvarur

The chart displays monthly wind speed patterns in Thiruvarur, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.74.63.64.04.85.04.84.54.1 m/s3.74.04.5
Data source: Thiruvarur September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Thiruvarur Compares to Other Months

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

In comparing the weather of September and January, September tends to be hotter and more humid. With average temperatures ranging from a minimum of 25°C (78°F) to a maximum of 33°C (92°F), it showcases a more intense heat with an average of 29°C (84°F). Additionally, September experiences substantial rainfall, totaling 117 mm (4.6 in) over 18 days, resulting in a humidity level of 76%. In contrast, January is cooler and drier, featuring average temperatures from a minimum of 23°C (73°F) to a maximum of 29°C (85°F) and an average of 26°C (79°F). The month sees significantly less rainfall, with only 80 mm (3.2 in) over 8 days and a humidity level of 72%. For a detailed look at the specifics of January weather, you can check Thiruvarur weather in January.

September and February showcase distinct weather patterns. In September, the temperatures range from a minimum of 25°C (78°F) to a maximum of 33°C (92°F), with an average of 29°C (84°F). The month is marked by significant rainfall, totaling 117 mm (4.6 in) over 18 days, accompanied by high humidity at 76%. In contrast, February has milder temperatures, with a minimum of 22°C (72°F) and a maximum of 30°C (86°F), averaging 26°C (80°F). The precipitation is minimal, at just 11 mm (0.4 in) over 3 days, and humidity is lower at 62%. For more detailed information, you can check Thiruvarur weather in February.

September and March exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 25°C (78°F) to a maximum of 33°C (92°F), with an average of 29°C (84°F). This month is characterized by higher humidity at 76% and significant rainfall, totaling 117 mm (4.6 inches) over 18 days. In contrast, March features slightly cooler temperatures, with a minimum of 23°C (74°F) and the same maximum of 33°C (92°F), but an average temperature of 28°C (82°F). Precipitation is minimal in March, with only 19 mm (0.8 inches) falling over just 4 days, and humidity levels are lower at 57%. For more detailed information, you can check Thiruvarur weather in March.

In September, the weather is typically warm, with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 33°C (92°F) and an average of 29°C (84°F). However, the month is quite rainy, with 117 mm (4.6 in) of precipitation spread over 18 days, resulting in a high humidity of 76%. In contrast, April enjoys slightly warmer temperatures, with a minimum of 25°C (78°F), an average of 30°C (85°F), and a peak of 34°C (93°F). The rainfall is significantly lower at just 23 mm (0.9 in) over 6 days, leading to a more comfortable humidity level of 56%. For a closer look at the April weather specifics, visit Thiruvarur weather in April.

In comparing the weather between September and May, it is clear that May is typically hotter and drier. May experiences a minimum temperature of 27°C (80°F) and a maximum of 36°C (97°F), with an average of 30°C (87°F). In contrast, September has a lower maximum temperature of 33°C (92°F) and averages 29°C (84°F) but tends to be more humid and rainy, with 117 mm (4.6 in) of precipitation over 18 days. This results in September having a higher humidity level of 76% compared to May's 64%. For more detailed insights about May weather, explore Thiruvarur weather in May.

In comparing the weather of September and June, one can observe several key differences. September typically has a slightly lower average temperature, ranging from a minimum of 25°C (78°F) to a maximum of 33°C (92°F), while June's temperatures are a bit higher, with a minimum of 26°C (80°F) and a maximum reaching 35°C (96°F). Additionally, September experiences significantly more rainfall, with 117 mm (4.6 in) of precipitation over 18 days, compared to June's modest 37 mm (1.4 in) over just 8 days. Furthermore, the humidity in September is higher at 76%, while June maintains a lower level at 71%. For more detailed insights, you can check Thiruvarur weather in June.

In comparing the weather of September and July, September tends to be slightly cooler, featuring minimum temperatures of 25°C (78°F) and an average of 29°C (84°F), while July has a minimum of 26°C (78°F) and an average of 30°C (86°F). July also experiences higher maximum temperatures, reaching up to 35°C (95°F), compared to September's peak of 33°C (92°F). Rainfall is more pronounced in September, with 117 mm (4.6 in) of precipitation over 18 days, in contrast to July's 62 mm (2.5 in) over 15 days. Additionally, September's humidity level is higher at 76%, compared to July's 64%. For more detailed insights, you can visit Thiruvarur weather in July.

In comparing the weather between August and September, we can observe some notable differences. Both months have a minimum temperature of 25°C (78°F) and an average temperature close to 29°C, but September is slightly cooler overall with a maximum of 33°C (92°F) compared to August's 35°C (95°F). In terms of precipitation, September experiences significantly more rain with 117 mm (4.6 in) over 18 days, while August sees less rainfall at 81 mm (3.2 in) over 15 days. Additionally, September has higher humidity at 76%, in contrast to August's 69%. These factors contribute to a wetter and somewhat more humid feel in September. For more detailed insights, you may refer to Thiruvarur weather in August.

In September, the temperatures in Thiruvarur average around 29°C (84°F), with a range from a minimum of 25°C (78°F) to a maximum of 33°C (92°F). The month sees about 117 mm (4.6 in) of precipitation over 18 days, with humidity levels at 76%. In contrast, October experiences slightly cooler average temperatures at 28°C (83°F), with a similar range of minimum and maximum temperatures. However, it has significantly increased rainfall, totaling 195 mm (7.7 in) over 23 days, along with higher humidity at 87%. This shift indicates a transition from the warm, humid conditions of September to a wetter, more humid October. For more details on October weather, check Thiruvarur weather in October.

In September, the weather is generally warm, with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 33°C (92°F) and an average of 29°C (84°F). The month experiences considerable rainfall, totaling 117 mm (4.6 inches) over 18 days, and humidity levels are around 76%. In contrast, November is slightly cooler, featuring a minimum temperature of 24°C (76°F) and an average of 27°C (81°F), with a maximum of 31°C (88°F). However, November is significantly wetter, with 415 mm (16.3 inches) of rain across 24 days and higher humidity at 88%. For more details on the weather in November, you can visit Thiruvarur weather in November.

In September, the weather is warm, with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 33°C (92°F), averaging around 29°C (84°F). The month experiences significant rainfall, totaling 117 mm (4.6 in) over 18 days, with humidity levels at 76%. In contrast, December brings slightly cooler temperatures, with a minimum of 23°C (74°F), an average of 26°C (79°F), and a maximum of 30°C (86°F). However, December is notably wetter, receiving 233 mm (9.2 in) of rain over the same number of days, while humidity rises to 83%. For more details on December weather in Thiruvarur, you can visit Thiruvarur weather in December.

Compare Thiruvarur's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Thiruvarur

As September unfolds in Thiruvarur, the weather takes on a distinct character, marked by a blend of warmth and moisture. The average temperature hovers comfortably in the high 20s, providing a pleasant respite from the sweltering heat of summer. However, the real story lies in the increased rainfall, with nearly half the month experiencing precipitation, transforming landscapes and nurturing the lush greenery that defines this region. Humidity levels also rise, creating a more tropical atmosphere, especially for those not accustomed to such moisture. In contrast to the preceding months, September is a reminder of nature's rhythms and the transition into the monsoon season. For more insights on weather patterns in this region, explore Thiruvarur Climate.