Last updated: August 21, 2025
September in Thoothukudi, India brings a warm and humid climate, with temperatures peaking at 31°C (88°F) and averaging around 28°C (83°F). The minimum temperature hovers comfortably at 25°C (78°F), providing a pleasant atmosphere despite the high humidity levels of 86%. The month is also characterized by light rainfall, accumulating to about 25 mm (1.0 in) over approximately 4 days, offering brief but refreshing breaks from the heat. Overall, September showcases a typical tropical ambiance, inviting locals and visitors to embrace the warmth and occasional showers of this vibrant coastal town.
In September, Thoothukudi experiences a subtle shift in its climatic pattern as the summer heat begins to wane. The temperatures range from a minimum of 25°C (78°F) to a comfortable maximum of 31°C (88°F), with an average hovering around 28°C (83°F). This month marks a slight decrease in overall temperatures compared to the peak heat of May and June, yet it still retains the warmth characteristic of coastal Indian climates. The gradual transition towards the cooler months becomes evident, as September sets the stage for a delightful change, perfect for those looking to explore the region's vibrant culture and stunning coastal scenery.
In September, Thoothukudi experiences a slight uptick in rainfall with 25 mm (1.0 in) of precipitation over 4 days, marking a modest transition from the drier months of summer. This shift signals the approach of the monsoon season, as the region anticipates more substantial rains in the upcoming months. The precipitation amounts in September are significantly lower than the immense downpours seen in October and November, where totals soar to 172 mm (6.8 in) and 348 mm (13.7 in), respectively. This trend highlights September as a brief interlude, paving the way for the heavy rains that characterize the later part of the year, thereby shaping the agricultural landscape and water availability in this coastal town.
In September, Thoothukudi experiences a high humidity level of 86%, maintaining the trend of increasing moisture that begins in the warmer months. After a rise from June's 82% and July's 83%, August reaches its peak at 87%, only to slightly dip in September. The month is characterized by lingering monsoon effects, resulting in a sticky atmosphere that transitions into a similarly humid October. Overall, this pattern highlights Thoothukudi's marked seasonal shifts, where humidity generally escalates from the cooler winter months through the summer, peaking before stabilizing as the year draws to a close.
As September rolls into Thoothukudi, India, the UV Index remains consistently high at 13, signifying an extreme exposure category with a burn time of just 10 minutes. This trend mirrors the preceding months of June, July, and August, where the UV Index fluctuated between 12 and 13. It’s evident that Thoothukudi experiences relentless sunshine towards the end of the monsoon season, continuing the pattern of exposure that requires vigilant sun protection. As the year progresses towards October, anticipate a slight dip in UV intensity, yet the reminder to safeguard your skin from the sun's potent rays remains crucial. For more in-depth insights, visit Thoothukudi UV Index.
UV Risk Categories
September in Thoothukudi shines brightly with 328 hours of sunlight, continuing a trend of abundant sunshine throughout the year. Following the summer months, which are characterized by peak sunshine hours—most notably May with 347 hours—September enjoys a slight dip but still holds its own compared to earlier months. With April and August close behind, at 340 and 331 hours respectively, this coastal city experiences a generally favorable climate. The consistent sunlight from January to September shows the resilience of Thoothukudi's warm atmosphere, while the gradual decrease into the autumn months signals a gentle transition towards cooler temperatures. Overall, September maintains a vibrant sunny disposition, contributing to Thoothukudi's charm.
In Thoothukudi, India, September ushers in a modest 21% chance of sunny weather, continuing the trend of lower probabilities established during the monsoon months of June through August. This gradual decline in sunshine likelihood peaks in February and December, boasting percentages as high as 62% and 60%, respectively. In contrast, the earlier part of the year tends to showcase more favorable conditions, particularly with a notable 59% in April and 55% in March. As September transitions into October, the chances of sunshine remain similarly low at 18%, suggesting that for those seeking sunny days, planning ahead to the earlier months could yield far better results.
In September, Thoothukudi enjoys a consistent 12 hours of daylight, mirroring the duration experienced throughout the preceding months from March to August. This period marks a stable phase in the year when the days are longer, offering ample opportunity for outdoor activities and exploration. As the months shift towards October, daylight begins to taper off, dropping back to 11 hours. This gradual transition highlights the seasonal rhythm of Thoothukudi, where daylight durations tend to fluctuate more noticeably as the year closes in, enhancing the charm of its vibrant coastal life during the sunny September days.
In September, Thoothukudi experiences a gentle breeze with an average wind speed of 5.2 m/s (12 mph), marking a slight dip from the preceding months. This month stands out as part of a trend where wind speeds generally decrease toward the end of the monsoon season. After a peak in February and a series of moderate speeds throughout the summer, September’s winds bring a welcome softness to the air, signaling a transition towards the calmer months ahead. As the hotter summer fades, these mild winds offer a refreshing reprieve, creating a pleasant atmosphere that invites both locals and visitors to enjoy the serene coastal charm of Thoothukudi.
Weather in Thoothukudi varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Thoothukudi, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather features warm temperatures with a minimum of 25°C (78°F) and an average of 28°C (83°F), peaking at 31°C (88°F). This month sees relatively low precipitation, totaling 25 mm (1.0 in) over just 4 days, accompanied by high humidity levels of 86%. In contrast, January offers slightly cooler temperatures with a minimum of 22°C (72°F) and an average of 26°C (79°F), reaching a maximum of 29°C (84°F). However, it experiences more rainfall, accumulating 91 mm (3.6 in) over 9 days and lower humidity at 76%. For more details on January weather, you can visit Thoothukudi weather in January.
September and February present notable differences in weather patterns. In September, temperatures range from a minimum of 25°C (78°F) to a maximum of 31°C (88°F), with an average of 28°C (83°F). The month experiences higher humidity at 86% and receives approximately 25 mm (1.0 in) of precipitation over four days. In contrast, February boasts slightly cooler temperatures, with a minimum of 23°C (73°F) and a maximum of 29°C (84°F), resulting in an average of 26°C (79°F). It also features lower humidity at 69% and less precipitation, totaling 19 mm (0.7 in) over six days. For more specific details on February's weather, you can check Thoothukudi weather in February.
When comparing the weather in September and March, we observe some notable differences. September typically experiences slightly warmer temperatures, with an average of 28°C (83°F) and maximums reaching up to 31°C (88°F), while March averages around 28°C (82°F), peaking at 30°C (87°F). However, March sees more significant rainfall, with 48 mm (1.9 in) of precipitation over eight days, compared to September’s 25 mm (1.0 in) over just four days. Additionally, the humidity is higher in September at 86%, while March enjoys a lower humidity level of 69%. For more detailed insights on the weather specifics, you can check Thoothukudi weather in March.
When comparing the weather in September and April, both months showcase warm conditions, but with some distinct differences. September has slightly lower average temperatures, with a minimum of 25°C (78°F) and a maximum of 31°C (88°F), while April boasts temperatures that range from a minimum of 26°C (78°F) to a maximum of 32°C (89°F). Additionally, September experiences higher humidity at 86%, compared to April's 69%, making April feel a bit more comfortable. Precipitation is also higher in April, with 33 mm over 6 days compared to September's 25 mm over just 4 days. For more specific details about April weather, you can refer to Thoothukudi weather in April.
In comparing the weather of September and May, both months exhibit warm temperatures, but May tends to be slightly hotter overall. September has a minimum temperature of 25°C (78°F) and averages around 28°C (83°F), while May starts at a minimum of 26°C (79°F) and peaks with a higher average of 29°C (85°F). The maximum temperatures also reflect this trend, with September reaching 31°C (88°F) compared to May's maximum of 33°C (92°F). While both months receive a similar amount of precipitation, September experiences slightly less at 25 mm (1.0 in) over 4 days, versus May's 28 mm (1.1 in) over 5 days. Additionally, September tends to be more humid at 86%, contrasted with May's lower humidity of 76%. For further details on the weather conditions in May, you can visit Thoothukudi weather in May.
In September, the weather in Thoothukudi tends to be slightly cooler, with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 31°C (88°F), averaging at 28°C (83°F). It experiences more rainfall, with about 25 mm (1.0 in) of precipitation over four days and a relatively high humidity level of 86%. In contrast, June sees slightly warmer temperatures, with a minimum of 26°C (80°F) and a maximum of 33°C (91°F), averaging around 29°C (84°F). The month is also much drier, featuring only 8 mm (0.3 in) of precipitation over just one day and a lower humidity level of 82%. For those interested, you can find more details about the weather in June here: Thoothukudi weather in June.
In comparing the weather between September and July, September experiences slightly warmer temperatures, with an average of 28°C (83°F) compared to July's average of 29°C (84°F), although July boasts a marginally lower minimum temperature of 26°C (80°F) against September's 25°C (78°F). July is characterized by virtually no rainfall, receiving only 6 mm (0.2 in) of precipitation over the entire month, while September has higher precipitation levels at 25 mm (1.0 in) over four days. Additionally, humidity levels are comparable, with September at 86% and July slightly lower at 83%. For more details on the weather in July, you can check Thoothukudi weather in July.
In comparing the weather of September and August, we see that both months have similarly warm temperatures, with September recording a minimum of 25°C and an average of 28°C, just like August. However, September's maximum temperature is slightly lower at 31°C compared to August's peak of 32°C. Precipitation levels also rise in September, with 25 mm over four days, in contrast to August's 16 mm over three days. Humidity remains fairly consistent, with September at 86% and August slightly higher at 87%. For more detailed information about August weather, you can visit Thoothukudi weather in August.
In comparing the weather of September and October, both months exhibit similar average temperatures, with September slightly warmer on average at 28°C (83°F) compared to October's 28°C (82°F). However, October sees a significant increase in precipitation, receiving 172 mm (6.8 in) over 15 days, while September only experiences 25 mm (1.0 in) across 4 days. The humidity remains constant at 86% in both months, making the atmosphere feel similarly humid. For a more detailed look at what to expect in October, check out Thoothukudi weather in October.
In September, the weather is warm and relatively dry, with average temperatures ranging from 25°C (78°F) to a maximum of 31°C (88°F) and only 25 mm of precipitation over about four days. Humidity is high at 86%, contributing to a tropical feel. In contrast, November tends to be cooler, with average temperatures slightly lower at 27°C (80°F) and consistent highs of around 31°C (87°F). However, November is marked by significantly higher rainfall, accumulating 348 mm over 21 days, while humidity remains the same at 86%. This shift makes November a much wetter month compared to September. For more detailed information, you can check Thoothukudi weather in November.
In September, the weather is warm with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 31°C (88°F), and an average temperature of 28°C (83°F). The month experiences relatively low precipitation, totaling 25 mm (1.0 in) over just 4 days, with humidity levels around 86%. In contrast, December sees slightly cooler temperatures, with a minimum of 23°C (74°F) and a maximum of 29°C (85°F), averaging 26°C (79°F). However, December is notably wetter, receiving 193 mm (7.6 in) of rain across 18 days, while maintaining a similar humidity level of 85%. For more detailed information, check out Thoothukudi weather in December.
As September unfolds in Thoothukudi, the weather begins to shift, offering a refreshing respite from the intense summer heat. With a notable drop in maximum temperatures, averaging around 31°C, the month brings a comfortable warmth that invites outdoor activities. This transitional period also witnesses increased humidity, peaking at around 86%, creating a lush, vibrant atmosphere. While light rainfall is expected, with an average of 25 mm over just a handful of days, it serves to further cool the surroundings and nourish the earth. For those looking to explore the unique weather patterns of this coastal town, take a closer look at the detailed information available at Thoothukudi Climate.