Last updated: August 21, 2025
In Thiruthani, India, the weather during September showcases a blend of warmth and humidity. Temperatures peak at a maximum of 37°C (99°F), with an average of 29°C (84°F) and a comfortable minimum of 23°C (74°F). This month is characterized by significant rainfall, accumulating to 146 mm (5.8 in) over 19 days, contributing to a high humidity level of 79%. As moisture-laden air envelops the region, the warmth softens, creating a unique atmosphere that defines this transitional period.
In September, Thiruthani experiences a gentle transition as the monsoon season begins to recede. With minimum temperatures settling around 23°C (74°F) and averages reaching 29°C (84°F), the weather remains warm yet slightly cooler than the peak summer months. The maximum temperature can still climb to 37°C (99°F), but there's a refreshing shift from the sweltering highs of the preceding months. This month marks a notable decrease in heat compared to May and June, inviting locals and travelers alike to enjoy the lingering warmth without the oppressive heat. As the landscape begins to flourish post-monsoon, September is a delightful time to visit, blending comfortable weather with vibrant nature.
September in Thiruthani, India, marks a significant peak in precipitation, with 146 mm (5.8 in) of rain falling across 19 days. This surge continues the trend of the monsoon season, building upon the earlier months of intense rainfall, notably 135 mm in July and 119 mm in August. As the region transitions from the heavy downpours of summer, September often experiences a vibrant mix of showers that nourish the lush landscape. This month not only showcases the climax of the wet season but also sets the stage for the even more substantial rainfall ahead in October and November, highlighting Thiruthani’s dependency on this vital monsoon cycle for its climate and agricultural health.
September in Thiruthani, India, marks a notable shift in humidity levels, with the average soaring to 79%. This increase follows the pattern established in the preceding months, as the monsoon season peaks, bringing vibrant greenery but also a palpable stickiness to the air. After a gradual rise from 64% in February to August’s 72%, September signals the onset of higher humidity that will persist into the later months. As the region transitions into October, humidity continues to climb, ultimately reaching a sweltering 88% by mid-autumn. This trend not only reflects the changing seasons but also sets the stage for the heavy downpours typical of the Indian monsoon, making September a pivotal month in Thiruthani's climatic calendar.
In September, Thiruthani experiences a UV Index of 13, categorized as extreme, with a burn time of just 10 minutes. This marks a continuation of the intense UV exposure seen throughout the previous months, where the index has consistently hovered between 12 and 13 from April to September. Such persistent high levels emphasize the need for increased sun protection as the region remains under the grip of intense solar radiation. As we transition into the next month, the UV Index begins to slightly taper off but stays within the extreme range at 11 in October, showing a gradual shift yet still warranting caution. For those planning outdoor activities in this vibrant town, understanding the UV trends can help ensure a safe and enjoyable experience. For more detailed information, visit Thiruthani UV Index.
UV Risk Categories
In Thiruthani, India, September brings a gentle transition into the cooler months, with 291 hours of sunshine marking a noticeable dip from the bright peak of summer. As the swell of sunlight peaks in May with a striking 352 hours, the gradual decline begins, showcasing the changing seasons. This trend continues through the latter months, with September's sun offering a soft embrace compared to the vibrant summer radiance. Despite the decrease, the skies remain relatively bright, ensuring that residents can still enjoy a good measure of outdoor activities before the arrival of the winter chill. Overall, September’s sunshine serves as a gentle reminder of the cyclical beauty of nature, setting the stage for the shifting landscapes of autumn.
In September, Thiruthani experiences a notable decline in sunny weather, with the likelihood of sunshine dropping to a mere 12%. This marks one of the lowest probabilities in the year, following a series of months—specifically June (20%), July (14%), and August (19%)—characterized by a predominance of clouds and rain. After the sunniest months of February and March, it's clear that the onset of the monsoon season reshapes the weather landscape, leading to a much dimmer outlook as the month progresses. As October approaches, residents can anticipate a slight improvement at 26%, but September remains a time when heavy clouds typically overshadow the sun in this vibrant region of India.
In Thiruthani, India, September marks a continuation of the lush daylight rhythm established during the preceding months, as the area enjoys a consistent 12 hours of daylight. This tropical town experiences a mild transition from the vibrant summer months of April to August, which also share this generous duration of sunlight. Following September, daylight begins to taper off into the 11-hour mark in October, signaling the onset of a cooler season. This pattern not only highlights the resilience of Thiruthani's climate but also offers a unique opportunity for locals and visitors alike to bask in the ample sunshine before the day length diminishes.
In September, Thiruthani experiences a gentle breeze with an average wind speed of 2.1 m/s (5 mph), mirroring the calmness of previous months like January and February. Following a slight uptick in May and June, where winds reached up to 2.9 m/s (7 mph), the winds now settle into a more tranquil rhythm. This consistent wind pattern highlights a transition towards the cooler months, as October typically brings even softer breezes. Overall, September serves as a reminder of nature's balance, maintaining a serene pace as the year begins to shift into its later stages.
Weather in Thiruthani varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Thiruthani, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present contrasting weather patterns. In September, temperatures range from a minimum of 23°C (74°F) to a scorching maximum of 37°C (99°F), with an average of 29°C (84°F). This month also experiences significant rainfall, with 146 mm (5.8 in) spread over 19 days and a humidity level of 79%. In contrast, January offers a much cooler climate, with temperatures dipping to a minimum of 16°C (62°F) and peaking at 33°C (92°F), averaging around 24°C (76°F). Rainfall is minimal in January, totaling only 23 mm (0.9 in) across just 3 days, and humidity is slightly lower at 73%. For a more detailed look at the weather in January, you can visit Thiruthani weather in January.
September and February present contrasting weather patterns. In September, temperatures can range from a minimum of 23°C (74°F) to a maximum of 37°C (99°F), with an average of 29°C (84°F). This month is characterized by significant rainfall, totaling 146 mm (5.8 in) over 19 days, and high humidity at 79%. In contrast, February boasts milder temperatures, with a minimum of 16°C (61°F), an average of 26°C (78°F), and a maximum of 37°C (98°F). The month is notably dry, receiving only 6 mm (0.2 in) of precipitation across 0 days, and features lower humidity at 64%. For more details, check out the complete information on Thiruthani weather in February.
In September, the weather tends to be warm and humid, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 37°C (99°F) and an average of 29°C (84°F). This month sees significant rainfall, with precipitation around 146 mm (5.8 in) occurring over 19 days, resulting in a humidity level of 79%. In contrast, March experiences slightly cooler minimum temperatures at 18°C (65°F) and a higher maximum of 39°C (102°F), yet maintains the same average of 29°C (84°F). Rainfall in March is scarce, with only 10 mm (0.4 in) over just 2 days and a much lower humidity level of 51%. For a detailed look at March weather, you can check Thiruthani weather in March.
In September, the weather is characterized by warmer temperatures, with an average of 29°C (84°F) and maximum highs reaching 37°C (99°F). This month sees significant rainfall, totaling 146 mm (5.8 in) over 19 days, contributing to a high humidity level of 79%. In contrast, April experiences hotter conditions, boasting an average temperature of 31°C (88°F) and maximum temperatures soaring up to 41°C (105°F). Notably, April is much drier, with only 6 mm (0.2 in) of precipitation across just one day, resulting in a more comfortable humidity level of 50%. For more details on April weather, visit Thiruthani weather in April.
In comparing the weather between September and May, notable differences emerge in temperature and precipitation. September typically sees a minimum temperature of 23°C (74°F) and an average of 29°C (84°F), with a maximum reaching 37°C (99°F). This month is also characterized by high humidity at 79% and significant rainfall, averaging 146 mm (5.8 in) over 19 days. On the other hand, May is generally hotter, with a minimum of 24°C (76°F) and an average temperature of 32°C (90°F), peaking at 42°C (108°F). The month is considerably drier, receiving only 21 mm (0.8 in) of precipitation over just 5 days, and features lower humidity at 62%. For more specific details on May weather, you can visit Thiruthani weather in May.
In comparing the weather conditions of September and June, September tends to be slightly cooler with average temperatures around 29°C (84°F), whereas June experiences higher averages of 32°C (89°F). June features hotter extremes, reaching maximum temperatures of 41°C (105°F) compared to September’s peak of 37°C (99°F). Precipitation is more pronounced in September, with 146 mm (5.8 in) spread over 19 days, while June sees 96 mm (3.8 in) over 16 days. Additionally, September has higher humidity levels at 79%, while June maintains a lower humidity of 68%. For more detailed insights, you can explore Thiruthani weather in June.
When comparing the weather in September and July, we observe that September experiences slightly cooler average temperatures, with a minimum of 23°C (74°F) and an average of 29°C (84°F), while July begins at a higher minimum of 24°C (76°F) and averages 30°C (87°F). July also sees more extreme heat, with a maximum temperature of 40°C (103°F), compared to September's maximum of 37°C (99°F). In terms of precipitation, September is wetter, with 146 mm (5.8 in) of rainfall over 19 days, while July sees slightly less with 135 mm (5.3 in) across 17 days. Furthermore, September's humidity at 79% surpasses July's more comfortable 59%. For more details on July weather, visit Thiruthani weather in July.
In August, the weather in Thiruthani tends to be slightly warmer, with average temperatures reaching 30°C (86°F) and a maximum of 38°C (101°F). September shows a slight decrease in maximum temperature, dropping to 37°C (99°F) with an average of 29°C (84°F). Precipitation is more frequent in September, totaling 146 mm (5.8 in) over 19 days compared to August’s 119 mm (4.7 in) during the same number of days. Additionally, September experiences higher humidity levels at 79%, whereas August's humidity stands at 72%. For more detailed information on August weather, you can check Thiruthani weather in August.
In comparing the weather between September and October, one can observe a slight decrease in average temperatures. September boasts a minimum temperature of 23°C (74°F) and an average of 29°C (84°F), while October sees a minimum of 21°C (69°F) and an average of 28°C (82°F). Both months experience high maximum temperatures, with September reaching up to 37°C (99°F) and October peaking at 36°C (96°F). Interestingly, October tends to be wetter, recording 170 mm (6.7 in) of precipitation over 20 days compared to September’s 146 mm (5.8 in) over 19 days. Humidity also increases in October, rising to 88% from September's 79%. For a detailed look at October weather, you can visit Thiruthani weather in October.
In comparing the weather between September and November, September experiences warmer temperatures, with a minimum of 23°C (74°F) and an average of 29°C (84°F), peaking at 37°C (99°F). However, it also sees significant precipitation, totaling 146 mm (5.8 in) over 19 days, combined with a humidity level of 79%. In contrast, November brings cooler temperatures with a minimum of 19°C (67°F) and an average of 26°C (79°F), maxing out at 34°C (93°F). The month is wetter, receiving 216 mm (8.5 in) of rainfall over the same number of days, and humidity rises to 89%. For detailed insights about November weather in Thiruthani, you can visit Thiruthani weather in November.
In September, the weather tends to be hotter and more humid, with average temperatures reaching 29°C (84°F), peaking at 37°C (99°F). This month experiences significant rainfall, totaling 146 mm (5.8 in) over 19 days, contributing to a humidity level of 79%. In contrast, December brings cooler and more pleasant conditions, with a lower average temperature of 25°C (76°F) and maximum temperatures of 33°C (91°F). Rainfall is considerably less, at 70 mm (2.8 in) spread over just 8 days, while humidity increases slightly to 85%. For a detailed look at December weather, you can visit Thiruthani weather in December.
September in Thiruthani presents a notable shift in weather compared to the preceding months. As the monsoon season reaches its peak, the landscape transforms with increased humidity and frequent rainfall, marked by a significant number of precipitation days. The temperatures also rise noticeably, with heat reaching its maximum, though the average remains comfortable. This combination of warmth and moisture creates a unique atmosphere, ideal for experiencing the lush greenery that follows the rains. For a deeper understanding of the region's climatic patterns, explore Thiruthani Climate.