Last updated: August 21, 2025
In September, Thiruvaiyaru, India experiences a tropical climate characterized by warm temperatures and significant rainfall. The maximum temperature can reach a sweltering 38°C (101°F), while the average hovers around a comfortable 30°C (86°F). Nighttime offers some relief with a minimum temperature of 24°C (76°F). This month witnesses an impressive 125 mm (4.9 in) of precipitation spread over approximately 17 days, contributing to a notably humid atmosphere with an average humidity of 76%. Visitors can expect a mix of sunny spells and refreshing showers, making it a vibrant time in this culturally rich locale.
September in Thiruvaiyaru brings a warm climate, with temperatures showcasing a gradual shift from the intense heat of the summer months. The minimum temperature hovers around 24°C (76°F), offering a relatively mild start to the day, while the average temperature settles at 30°C (86°F)—a comfortable warmth suitable for outdoor activities. As the month progresses, the maximum temperature peaks at a notable 38°C (101°F), signaling that summer's lingering presence is still felt. This transitional month marks a departure from the peak summer heat, as the temperatures begin to lower slightly in October, leading us toward the cooler retreat of the autumn months. Overall, September captures that sweet spot between the sweltering summer heat and the upcoming refreshing fall, making it a blend of warmth and ease.
September is a pivotal month for precipitation in Thiruvaiyaru, India, marking a notable peak in rainfall with 125 mm (4.9 in) recorded across 17 days of rainy weather. This surge follows the escalating pattern observed since June, where rainfall amounts steadily increased from 54 mm (2.1 in) to 97 mm (3.8 in) in August. As the southwest monsoon reaches its zenith, September's downpours lay the groundwork for the approaching October, which typically continues the trend with 149 mm (5.8 in) expected. The transition from the drier months at the beginning of the year, where precipitation remains low, to the lush, rain-soaked conditions of late monsoon exemplifies the region's shifting climate dynamics, heralding the vibrant growth of the local ecosystem.
As summer fades into autumn, September in Thiruvaiyaru, India, showcases a notable increase in humidity, reaching 76%. This marks a gradual upward trend from the drier months of March and April, where humidity dipped to their lowest at 57% and 56%, respectively. Following the slightly humid months of May and June, September continues to climb, setting the stage for an even more humid October at 87%. The transition into this wetter season is apparent as the lush greenery of the region thrives, influenced by the combination of increased moisture and the tail end of the monsoon. This rise in humidity underscores a seasonal pattern, foreshadowing the richness of the upcoming months.
In September, Thiruvaiyaru experiences a UV Index of 13, keeping it within the extreme exposure category. As summer transitions into the monsoon season, the UV levels remain prohibitively high, necessitating caution for outdoor activities—especially since the burn time is a mere 10 minutes. This pattern of extreme UV exposure is consistent from February through October, highlighting a trend of sustained solar intensity that locals and visitors should take seriously. Protecting skin from harmful UV rays remains crucial throughout this period, as indicated by the monthly data. To learn more about the UV trends in this region, visit Thiruvaiyaru UV Index.
UV Risk Categories
September shines brightly in Thiruvaiyaru, India, with 300 hours of sunshine, maintaining the region's reputation for abundant daylight. As the year unfolds, there’s a noticeable peak in sunlight during the warmer months, with March leading the charge at 343 hours. Though September's hours mark a subtle decline from the summer heights of May, which boasts 345 hours, it remains well above the lower totals found in November at 248 hours. This gentle tapering hints at the approaching monsoon season, yet even in September, Thiruvaiyaru enjoys a delightful balance of daylight, making it an inviting time for both locals and visitors to bask in the sun.
In September, Thiruvaiyaru, India, experiences a notably low chance of sunny weather, with only an 18% likelihood of sunshine. This trend is part of a broader pattern, where the summer months see a gradual decline in sunshine, dropping from 28% in May to this low of 18% in September. The rainy season casts a shadow over the skies, making September one of the least sunny months. Interestingly, this lack of sunshine stands in stark contrast to the 66% chance in February and 61% in March, highlighting a seasonal shift that ushers in the monsoon's grip. With only fleeting glimpses of sun, visitors should prepare for a more overcast experience as summer gives way to the wetter months.
In Thiruvaiyaru, India, September marks the continuation of a trend that began earlier in the year, featuring a stable 12 hours of daylight. This consistent daylight duration, which began in March and persisted through the summer months, reflects the region's tropical climate and steady rotation around the sun. As the calendar moves into October, daylight begins to decrease, dropping to 11 hours, suggesting a gradual transition towards the cooler, shorter days of winter. This pattern of fluctuating daylight throughout the year showcases the rhythmic dance between light and dark, perfectly encapsulating the changing seasons in this vibrant locale.
In September, Thiruvaiyaru experiences a gentle breeze with an average wind speed of 2.9 m/s (6 mph), echoing a slight decline from the slightly brisker conditions of the preceding months. This month marks a transition as the winds begin to soften after a high of 3.8 m/s (8 mph) in July. The trend reveals a gradual tapering throughout the latter part of the year, with wind speeds dipping to their lowest in October at 2.1 m/s (5 mph). Such calming winds, characteristic of early autumn, create a serene atmosphere, perfect for enjoying the vibrant surroundings of this culturally rich town. As the seasonal shift unfolds, the refreshing yet subdued breeze of September adds a soothing touch to the lively backdrop of Thiruvaiyaru.
Weather in Thiruvaiyaru varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Thiruvaiyaru, focusing on differences in temperature, rainfall, humidity, and UV levels.
September weather is characterized by higher temperatures, with a minimum of 24°C (76°F) and an average of 30°C (86°F). The month also sees significant rainfall, totaling 125 mm (4.9 in) over 17 days, along with a humidity level of 76%. In contrast, January is cooler, featuring a minimum temperature of 19°C (67°F) and an average of 26°C (79°F), with a maximum of 34°C (94°F). Precipitation in January is considerably lower at 47 mm (1.8 in) over just 5 days, and humidity drops slightly to 72%. This stark difference highlights the transition from the wetter, warmer days of September to the cooler, drier climate of January. For a detailed look at January's conditions, visit Thiruvaiyaru weather in January.
In September, the weather is considerably warmer and more humid compared to February, with average temperatures soaring up to 30°C (86°F) and maximums reaching as high as 38°C (101°F). This month also sees significant rainfall, averaging 125 mm (4.9 in) over about 17 days, leading to a humidity level of 76%. In contrast, February offers a milder climate with lower temperatures, where the average is a comfortable 27°C (80°F) and highs peak at 36°C (97°F). Rainfall is minimal, averaging just 5 mm (0.2 in) over 1 day, and humidity drops to 62%. For more specific details about the weather in February, you can check out Thiruvaiyaru weather in February.
In September, the weather is characterized by warmer temperatures, with a minimum of 24°C and an average high of 30°C, peaking at 38°C. This month experiences significant rainfall, accumulating around 125 mm over 17 days, accompanied by a high humidity level of 76%. In contrast, March presents slightly milder conditions, with a minimum temperature of 20°C and an average high of 29°C, reaching up to 39°C. Notably, March is much drier, with only 13 mm of precipitation over just 3 days, and a lower humidity level of 57%. For a detailed look at the weather patterns, you can visit Thiruvaiyaru weather in March.
In comparing the weather between September and April, notable differences emerge. September tends to be more humid, with an average temperature of 30°C (86°F), peaking at a maximum of 38°C (101°F), and experiencing significant rainfall of 125 mm over 17 days. In contrast, April features slightly higher average temperatures at 32°C (89°F), with maximums reaching up to 40°C (105°F), but it remains relatively dry with only 14 mm of precipitation over just 3 days. The humidity in April also drops to a more comfortable 56%, making it feel less muggy than September's 76%. For a closer look at the specific conditions in April, check out Thiruvaiyaru weather in April.
In comparing the weather patterns of September and May, September tends to be slightly cooler overall, with average temperatures ranging from a minimum of 24°C (76°F) to a maximum of 38°C (101°F), while May experiences higher temperatures, with an average minimum of 25°C (77°F) and a peak reaching up to 41°C (107°F). September is characterized by a significant amount of rainfall, totaling 125 mm over 17 days, resulting in a humidity level of 76%. In contrast, May is drier, with only 41 mm of precipitation across 8 days and a lower humidity of 64%. For more details on May weather, you can visit Thiruvaiyaru weather in May.
When comparing the weather in September to that in June, we notice some notable differences. September experiences slightly cooler temperatures, with an average of 30°C (86°F), compared to June's warmer average of 32°C (90°F). June also sees higher maximum temperatures, reaching up to 41°C (106°F), while September peaks at 38°C (101°F). Precipitation is significantly more prevalent in September, with 125 mm (4.9 in) falling over 17 days, while June only receives 54 mm (2.1 in) throughout 10 days. Humidity levels are a bit higher in September at 76%, compared to June’s 71%. For more detailed insights, you can check out Thiruvaiyaru weather in June.
When comparing the weather in September and July, it is evident that both months exhibit high temperatures, but July tends to be slightly warmer overall. In July, temperatures range from a minimum of 25°C (77°F) to a maximum of 40°C (104°F), with an average of 31°C (88°F). In contrast, September experiences a minimum temperature of 24°C (76°F) and a maximum of 38°C (101°F), with an average of 30°C (86°F).
Additionally, September tends to be wetter, with 125 mm (4.9 in) of precipitation over 17 days, compared to July's 80 mm (3.1 in) over 15 days. The humidity levels are also higher in September at 76%, while July enjoys a more comfortable humidity of 64%. For a detailed look at the specifics of July weather, you can refer to this link: Thiruvaiyaru weather in July.
In comparing the weather between September and August, both months exhibit similar temperature ranges, with September experiencing a minimum of 24°C (76°F) and a maximum of 38°C (101°F), while August's maximum temperature slightly edges higher at 39°C (102°F). September, however, tends to be wetter, with 125 mm (4.9 in) of precipitation over 17 days compared to August's 97 mm (3.8 in) over 14 days. Additionally, September has a higher humidity level at 76%, which creates a more humid atmosphere than August's 69%. For detailed insights into the weather patterns during August, you can visit Thiruvaiyaru weather in August.
In September, the weather is characterized by a warm average temperature of 30°C (86°F), with maximum highs reaching up to 38°C (101°F). While the month experiences some rainfall, with 125 mm (4.9 in) of precipitation spread over 17 days, the humidity remains relatively moderate at 76%.
In contrast, October brings slightly cooler average temperatures of 29°C (84°F), though maximum temperatures can still reach 38°C (100°F). The precipitation increases to 149 mm (5.8 in) over 20 days, along with a rise in humidity to 87%. This shift results in a more humid atmosphere, contributing to the overall perception of a wetter and somewhat cooler October in comparison to September. For more specific details, you can check out this link: Thiruvaiyaru weather in October.
September and November weather exhibit notable differences, particularly in temperature and precipitation levels. In September, temperatures range from a minimum of 24°C (76°F) to a maximum of 38°C (101°F), with an average of 30°C (86°F). The month experiences considerable rainfall, totaling 125 mm (4.9 in) across 17 days, while humidity averages around 76%. In contrast, November sees a slight drop in temperatures, with a minimum of 22°C (72°F), an average of 27°C (81°F), and a maximum of 36°C (98°F). However, it is significantly wetter, with 215 mm (8.4 in) of precipitation over 22 days and increased humidity at 88%. For more insights into November weather, check out Thiruvaiyaru weather in November.
In September, the weather is typically hotter, with average temperatures reaching around 30°C (86°F), peaking at a maximum of 38°C (101°F). The month sees considerable precipitation, totaling 125 mm (4.9 in) over 17 days, and the humidity is relatively high at 76%. In contrast, December offers a milder climate, with average temperatures dropping to 26°C (79°F) and a maximum of 32°C (90°F). Precipitation decreases slightly to 114 mm (4.5 in) over just 11 days, with humidity rising to 83%. For a detailed look at the specific conditions, check out Thiruvaiyaru weather in December.
In September, Thiruvaiyaru experiences a notable shift in weather patterns compared to the preceding months. The temperature begins to cool slightly, averaging around 30°C (86°F), providing a welcome respite from the summer heat. This month also marks the onset of monsoon season, bringing approximately 125 mm (4.9 in) of rainfall over 17 days, leading to higher humidity levels around 76%. While the maximum temperatures can still reach 38°C (101°F), the increased precipitation and cooling evenings create a more humid atmosphere, making September a unique blend of heat and rain. For a deeper understanding of the climate nuances in this vibrant region, visit Thiruvaiyaru Climate.