Last updated: August 21, 2025
In Chidambaram, India, September presents a warm and humid climate, with maximum temperatures reaching 33°C (92°F) and an average of 29°C (84°F). The month experiences a significant amount of rainfall, totaling 124 mm (4.9 in) over approximately 17 days. With humidity levels averaging around 76%, the air feels quite damp, contributing to the lush greenery of the region. While the weather may pose challenges for outdoor activities, it also enhances the beauty of Chidambaram, making it an intriguing time to explore this vibrant locale.
In Chidambaram, September marks a transition into milder temperatures following the hot summer months. With minimums settling at 25°C (77°F) and an average temperature of 29°C (84°F), the weather begins to feel more comfortable, particularly when compared to the sweltering heat of May and June. The maximum temps of 33°C (92°F) offer a touch of warmth, yet it's noticeably cooler than the peak summer readings. This gradual easing into more moderate conditions sets the stage for the upcoming months, providing a welcome respite for locals and visitors alike, while also hinting at the approaching monsoon as humidity levels rise.
September marks a significant transition in Chidambaram's weather, as the city experiences its highest monthly precipitation of 124 mm (4.9 in) over 17 days. This increase follows the preceding months of heavier rainfall in July and August, emphasizing the region's shift into the heart of the monsoon season. The consistent uptick in rainfall, leading into October's expected 208 mm (8.2 in), suggests an increasingly saturated landscape, with the days of wet weather becoming more frequent. This trend highlights the critical role September plays in replenishing local water resources and sustaining agricultural activities before the monsoon season fully recedes.
In September, Chidambaram experiences a notable increase in humidity, rising to 76%, marking a significant shift from the drier months of the year. This uptick continues the trend observed from June to August, where humidity levels hovered in the low to mid-60s, reflecting the region’s transition from the summer heat to the monsoon season. As the year progresses, September serves as a prelude to the more humid months of October and November, which see humidity levels soaring to 87% and 88% respectively. This trend not only highlights the seasonal shifts in Chidambaram's climate but also emphasizes the suffocating yet vibrant atmosphere that characterizes the late monsoon period.
In September, the UV Index in Chidambaram remains consistently high at 13, categorizing it as extreme with a burn time of just 10 minutes. This trend of elevated UV levels is a continuation of the intense summer months, where the index has hovered around 12 to 15 from February to April, reflecting a significant sun exposure risk. As the monsoon season approaches, while there may be changes in weather patterns, sun safety remains crucial for outdoor activities. With the UV Index expected to drop slightly in October, it's essential to stay vigilant and protect against sunburn during this time. For a detailed monthly breakdown and tips on UV protection, visit Chidambaram UV Index.
UV Risk Categories
September in Chidambaram, India, offers a delightful transition as the summer months start to wane. With 301 hours of sunshine, this month reflects a modest dip from the vibrant rays of May and April, yet it maintains a warm invitation for outdoor activities. The trend reveals a gradual decline from the peak summer months, where sunshine hours reached an impressive 350 in May, to a more tempered brightness as October approaches with 310 hours. As the monsoon season recedes, residents can relish in September's golden light, a gentle reminder of the sun before the cooler months take hold. This month strikes a perfect balance, allowing locals and visitors alike to bask in the warmth while enjoying the lush scenery that follows the rains.
In Chidambaram, India, the likelihood of sunny weather in September is relatively low, hovering at only 18%. This trend follows a significant drop in sunshine probability during the monsoon months, with August experiencing just 14% sunny days. As the wet season peaks in July and August, September continues this pattern of cloud cover, making it one of the cloudier months of the year. However, as the calendar transitions into October, there's a slight chance for improvement, maintaining a similar probability of 18%. This overall pattern showcases how the summer monsoon significantly influences the weather, resulting in diminished sunshine and a landscape that teems with life, albeit under a shroud of clouds.
In Chidambaram, India, the daylight duration exhibits a fascinating pattern throughout the year. Starting from January, residents experience around 11 hours of daylight, a trend that continues through February. As spring approaches in March, daylight gradually increases to 12 hours, a length that remains consistent from March through August. September also maintains this delightful 12-hour daylight, offering a warm and vibrant atmosphere before the minutes of sunlight begin to wane in October. This seasonal rhythm emphasizes the stability of daylight hours, showcasing a lovely balance of light that characterizes Chidambaram's climate as it transitions through the latter part of the year.
As summer transitions into autumn, September in Chidambaram brings a gentle cooling to the air, marked by a average wind speed of 3.8 m/s (9 mph). This slight drop from the preceding months reflects the shifting seasonal patterns, as the region’s winds mellow compared to the high-energy gusts of early summer. While wind speeds hovered around 4.0 to 4.5 m/s during the warmer months, September's breezes offer a soothing reprieve, setting the stage for the upcoming months. Interestingly, this trend of decreasing wind velocity continues into October, hinting at a seasonal lull before the robust winds of late autumn and winter return. Embracing the tranquil embrace of September, Chidambaram showcases the beauty of nature's rhythm, where the winds softly whisper changes on the horizon.
Weather in Chidambaram varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Chidambaram, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present contrasting weather conditions. In September, temperatures range from a minimum of 25°C (77°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 precipitation, totaling 124 mm (4.9 in) over 17 days. In contrast, January offers milder weather, with temperatures varying from a minimum of 22°C (72°F) to a maximum of 29°C (85°F) and an average of 26°C (78°F). The month is substantially drier, receiving only 66 mm (2.6 in) of rain across just 7 days and slightly lower humidity at 72%. For detailed insights on January weather, explore Chidambaram weather in January.
When comparing the weather in September and February, notable differences emerge. September experiences higher temperatures, with a minimum of 25°C (77°F) and an average of 29°C (84°F), peaking at a maximum of 33°C (92°F). This month also brings considerable rainfall, accumulating 124 mm (4.9 in) over 17 days, resulting in a humid environment with 76% humidity. In contrast, February offers a more tempered climate, featuring a minimum temperature of 22°C (72°F) and an average of 26°C (79°F), with a maximum reaching 30°C (87°F). February's precipitation is significantly lower at just 10 mm (0.4 in) over only 2 days and a reduced humidity level of 62%. For more details, you can check out Chidambaram weather in February.
In comparing the weather between September and March, we observe notable differences in temperature, precipitation, and humidity. September features slightly warmer temperatures, with daily averages around 29°C (84°F), while March maintains a cooler average of 28°C (82°F). Both months can reach a maximum of 33°C (92°F), but September's higher humidity at 76% makes it feel more oppressive compared to March's more comfortable 57%. Additionally, September experiences significantly more rainfall, accumulating 124 mm (4.9 in) over 17 days, whereas March sees only 14 mm (0.5 in) over just 3 days, leading to much drier conditions. For more detailed information, you can check Chidambaram weather in March.
September and April exhibit notable differences in weather patterns. In September, the climate is warmer and more humid, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 33°C (92°F) and an average of 29°C (84°F). This month is also marked by significant precipitation, averaging 124 mm (4.9 in) over 17 days, contributing to a humidity level of 76%. In contrast, April offers slightly higher average temperatures, with a minimum of 25°C (78°F) and a maximum of 34°C (94°F), but far less rainfall, measuring just 12 mm (0.5 in) over only 3 days. The humidity in April is also lower at 56%. For more detailed information, check out Chidambaram weather in April.
In comparing the weather between September and May, it is evident that both months experience high temperatures, but May tends to be hotter overall. For instance, while September has a minimum temperature of 25°C (77°F) and an average of 29°C (84°F), May features a higher average temperature of 31°C (87°F), peaking at a maximum of 36°C (97°F). Additionally, May is characterized by significantly less precipitation, with only 17 mm (0.7 in) over just 6 days, compared to September’s 124 mm (4.9 in) over 17 days. The humidity levels also diverge, as May is less humid at 64%, while September maintains a heavier humidity of 76%. For more details on the specific conditions you can expect in May, visit Chidambaram weather in May.
In September, the weather is characterized by slightly lower temperatures compared to June, with minimums around 25°C (77°F) and averages of 29°C (84°F), peaking at 33°C (92°F). In contrast, June sees higher temperatures, with a minimum of 26°C (78°F), an average of 31°C (88°F), and maximums reaching 35°C (96°F). September experiences significantly more rainfall, accumulating around 124 mm (4.9 inches) over 17 days, whereas June has only 37 mm (1.4 inches) of precipitation over 9 days. Additionally, the humidity is higher in September at 76%, compared to 71% in June. For a detailed look at June weather specifics, you can visit Chidambaram weather in June.
In comparing the weather between September and July, September experiences slightly cooler temperatures, with a minimum of 25°C (77°F) and an average of 29°C (84°F), compared to July's minimum of 26°C (78°F) and average of 30°C (86°F). July tends to be hotter, peaking at a maximum of 35°C (95°F), while September's maximum reaches 33°C (92°F). Additionally, September is characterized by higher precipitation, recording 124 mm (4.9 in) over 17 days, whereas July sees less rain at 76 mm (3.0 in) across 16 days. Humidity levels also differ, with September at 76% and July at a lower 64%. For more details on July weather, visit Chidambaram weather in July.
When comparing the weather in September to that of August, we notice a slight transition in conditions. Both months share a minimum temperature of 25°C (77°F), but August tends to be slightly warmer with an average temperature of 29°C (85°F) compared to September's 29°C (84°F). The maximum temperature in August reaches up to 34°C (94°F), while September sees a peak of 33°C (92°F). Precipitation levels increase in September, with 124 mm (4.9 in) recorded over 17 days, compared to August's 101 mm (4.0 in) over 16 days. Additionally, humidity is higher in September at 76%, versus 69% in August, contributing to a more humid atmosphere. For further details, you can check Chidambaram weather in August.
In September, the weather features a warm minimum temperature of 25°C (77°F) and an average of 29°C (84°F), with maximums reaching up to 33°C (92°F). This month sees a total precipitation of 124 mm (4.9 in) falling over 17 days, accompanied by a humidity level of 76%. In contrast, October maintains a similar temperature profile with a minimum of 25°C (77°F) and a maximum of 33°C (92°F), but the average drops slightly to 28°C (83°F). October experiences significantly higher rainfall, totaling 208 mm (8.2 in) over 20 days, and humidity rises to 87%. For a more detailed view of the October weather, visit Chidambaram weather in October.
September typically offers warmer temperatures, with minimums around 25°C (77°F) and maximums reaching up to 33°C (92°F), while November sees slightly cooler conditions with minimums of 23°C (74°F) and maximums of 31°C (88°F). In terms of precipitation, September experiences moderate rainfall of 124 mm (4.9 in) over 17 days, whereas November is substantially wetter, with 397 mm (15.6 in) spread across 24 days. Additionally, humidity levels are higher in November at 88%, compared to 76% in September. For a more detailed look at this month’s weather, visit Chidambaram weather in November.
In September, the weather is typically warm, with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 33°C (92°F). The month experiences relatively high humidity at 76% and receives about 124 mm (4.9 in) of precipitation over 17 days. In contrast, December brings slightly cooler temperatures, with an average of 26°C (79°F), as well as a minimum of 23°C (74°F) and a maximum of 30°C (86°F). However, it is wetter, with total precipitation reaching 222 mm (8.7 in) over 15 days, and humidity increases to 83%. For more details, you can check Chidambaram weather in December.
As September unfolds in Chidambaram, the weather transforms significantly, marked by a delightful interplay of warmth and rain. With average temperatures hovering around a comfortable 29°C (84°F), the month offers a reprieve from the peak summer heat, though it retains a hint of the humidity characteristic of this coastal region. This month stands out with 124 mm of rainfall, making it one of the wetter periods of the year, paralleled by 17 days of precipitation. This contrasts sharply with the drier and hotter months preceding it, fostering vibrant greenery and a refreshing atmosphere. To learn more about how September fits into the broader patterns of Chidambaram's weather, visit Chidambaram Climate.