Last updated: August 21, 2025
September in Swamimalai, India offers a dynamic weather experience, characterized by warm temperatures that range from a maximum of 38°C (101°F) to a more comfortable average of 30°C (86°F), with nighttime lows dipping to 24°C (76°F). This month sees substantial rainfall, with 135 mm (5.3 in) falling over approximately 18 days, contributing to a humid atmosphere with an average humidity level of 76%. Travelers can expect a blend of heat and moisture, perfect for exploring the beauty of this vibrant locale while embracing the refreshing showers.
In Swamimalai, September brings a warm transition with temperatures that showcase a blend of summer's lingering grasp and the promise of autumn. The month starts off with a minimum temperature of 24°C (76°F), rising to a comfortable average of 30°C (86°F) and peaking at 38°C (101°F). This slight dip from the sweltering heat of the preceding months indicates an easing warmth, with daytime temperatures still inviting while nights offer a mild reprieve. As summer starts to wane, September’s climate reveals a trend towards cooler evenings, making it an ideal time to explore the vibrant landscapes of Swamimalai under a pleasantly warm sky.
September marks a significant uptick in precipitation in Swamimalai, India, receiving a remarkable 135 mm (5.3 in) of rainfall over 18 days. As the monsoon season peaks, this month showcases a striking contrast to the drier months of January through May, where rainfall remains minimal. The increase in moisture is not only a harbinger of more lush landscapes but also sets the stage for the heavy rains of October and November. The gradual buildup from 97 mm (3.8 in) in August to September's totals indicates an exponential surge in rainfall, underscoring the region's pivotal transition into its wettest quarter. This trend illustrates the importance of September rainfall, nourishing the earth and replenishing water sources in preparation for the even more substantial deluge that follows in the months ahead.
In September, Swamimalai, India, experiences a notable rise in humidity, reaching 76%, which marks a significant uptick from the preceding months. This increase sets the stage for the transition into the wetter months of the year. After a dip in humidity during the warmer months of April to July, when levels hovered around the mid-50s to low 70s, September's humidity indicates the approaching monsoon season, as it climbs higher and surpasses the levels seen in August. Following this trend, the humidity continues to escalate into October and November, reaching a peak of 88% in the latter, creating a lush and vibrant environment in this region. The data reveals a clear pattern of seasonal humidity fluctuations, with September standing as a pivotal month that bridges the dry spell and the impending rains.
In September, Swamimalai experiences a UV Index of 13, placing it firmly within the extreme exposure category, with a burn time of just 10 minutes. This trend reflects the region's consistently high UV levels throughout the year, especially from February to August, where the index often peaks at 14 or higher. September's UV intensity slightly lowers from August's peak but still demands caution for outdoor activities. As the year progresses towards October, the UV Index gradually declines, yet vigilance is still vital. For those planning outdoor adventures, staying informed is key; you can find more details at Swamimalai UV Index.
UV Risk Categories
September in Swamimalai dazzles with 304 hours of sunlight, marking it as a bright close to the rainy season. Following the peak sunshine months of March through May, which collectively bathe the region in an average of over 340 hours, September maintains its luminous charm despite a slight decline. The summer's generous warmth gradually gives way to the crispness of autumn, yet the sun continues to grace the skies, offering a delightful blend of vibrant days and cooler evenings. As the year transitions, Swamimalai experiences a consistent ebb and flow of sunlight, with September standing out as a gentle reminder of the lingering warmth before the shorter days of winter set in. This month, though slightly dimmer than the peak summer months, still ensures that the spirit of sunshine remains at the heart of this enchanting locale.
In Swamimalai, India, the likelihood of encountering sunny weather in September stands at just 19%, reflecting a notable decline in sunshine as the year progresses. Following the relatively brighter months of February through April, which boast upwards of 60% sunshine chances, September greets visitors with overcast skies, echoing the trends seen in the preceding rainy season of July and August, where sunshine levels plummet to 18% and 11%, respectively. This pattern suggests that while the sun may be more generous earlier in the year, by September, the monsoonal influence significantly diminishes the prospects for clear skies, paving the way for a much cloudier month.
In Swamimalai, India, the daylight duration reveals an intriguing rhythm throughout the year. Starting the year with a consistent 11 hours in January and February, the days gradually lengthen, reaching a peak of 12 hours from March all the way through September. This steady pattern highlights a delightful consistency in daylight during the warmer months, creating the perfect backdrop for outdoor activities and cultural festivities. As autumn approaches in October, the daylight begins to wane once again to 11 hours, mirroring the early months of the year, which adds a sense of balance and continuity to the changing seasons.
As September arrives in Swamimalai, India, the average wind speed settles at a gentle 2.8 m/s (6 mph), mirroring the consistent breeze felt in January and February. This month marks a transitional period; while the winds picked up in the summer months of May through July, bringing refreshing gusts up to 3.6 m/s, they begin to taper off as the region approaches the cooler season. The steady winds of September create a serene atmosphere, perfect for outdoor activities, while hinting at the impending calmness of October, which sees a further drop to 2.2 m/s (5 mph). Overall, the September winds reflect a rhythm of nature, balancing between the vibrancy of summer and the tranquility of autumn.
Weather in Swamimalai varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Swamimalai, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is significantly warmer and more humid compared to January, with average temperatures reaching around 30°C (86°F) and occasional peaks of 38°C (101°F). This month also experiences higher precipitation, with 135 mm (5.3 in) falling over 18 days, leading to a humidity level of 76%. In contrast, January presents a cooler climate, where average temperatures drop to 26°C (78°F) and maximums reach 33°C (92°F). Rainfall is considerably lower during this month, totaling only 56 mm (2.2 in) over just 6 days, resulting in a slightly less humid atmosphere at 72%. For more detailed information about the weather in January, you can visit Swamimalai weather in January.
Comparing the weather in September and February reveals significant differences in temperature and precipitation levels. September is characterized by much warmer temperatures, with a minimum of 24°C (76°F) and an average high of 38°C (101°F), accompanied by high humidity at 76%. This month also sees considerable rainfall, with 135 mm (5.3 in) falling over 18 days. In contrast, February offers a much cooler climate, with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 35°C (96°F) and a significantly lower average of 26°C (80°F). February experiences minimal rainfall, with only 6 mm (0.2 in) over just 2 days, and lower humidity at 62%. For more specific details on February's weather, you can check Swamimalai weather in February.
September and March exhibit distinct weather characteristics, making each month unique. In September, temperatures range from a minimum of 24°C (76°F) to a maximum of 38°C (101°F), with an average temperature of 30°C (86°F). The month is often marked by significant rainfall, receiving about 135 mm (5.3 in) across 18 days, contributing to a high humidity level of 76%. In contrast, March features a slightly cooler temperature range, with a minimum of 20°C (68°F) and an average of 29°C (84°F), peaking at 38°C (102°F) on warmer days. Rainfall is minimal in March, with only 17 mm (0.7 in) recorded over just 3 days, resulting in a lower humidity of 57%. For more detailed insights into the weather, check Swamimalai weather in March.
In comparing September and April weather, September tends to be more humid and wetter, with average temperatures around 30°C (86°F) and a maximum reaching 38°C (101°F). In this month, the region experiences significant rainfall, with about 135 mm (5.3 in) of precipitation over 18 days, leading to a humidity level of 76%. On the other hand, April offers slightly higher average temperatures at 31°C (88°F) and can peak at 40°C (105°F), but it is much drier, with only 16 mm (0.6 in) of rainfall over just 4 days and a humidity level of 56%. For more information about the April weather, visit Swamimalai weather in April.
In comparing the weather of September and May, we find that May tends to be hotter, with average temperatures reaching 32°C (90°F) and maximums soaring to 41°C (106°F), while September’s average temperature is slightly cooler at 30°C (86°F), peaking at 38°C (101°F). Additionally, May experiences less rainfall, receiving only 38 mm (1.5 in) over 9 days, in stark contrast to September, which sees 135 mm (5.3 in) spread over 18 days. Notably, the humidity is higher in September at 76%, compared to May's 64%, making the climate feel more oppressive during the former month. For a more detailed look at the weather in May, check out Swamimalai weather in May.
When comparing the weather in September and June, it becomes clear that both months experience warm temperatures, but with some key differences. In September, the minimum temperature averages around 24°C (76°F), with a maximum of 38°C (101°F), while June sees slightly higher temperatures, with a minimum of 26°C (78°F) and a maximum of 41°C (105°F). Additionally, September is marked by significantly higher precipitation, totaling 135 mm (5.3 in) over 18 days, compared to June's 59 mm (2.3 in) across just 12 days. Humidity levels are also higher in September at 76%, compared to June’s 71%. For more detailed information about June's climate in Swamimalai, you can check Swamimalai weather in June.
When comparing the weather in September and July, September tends to be slightly cooler, with average temperatures ranging from a minimum of 24°C (76°F) to a maximum of 38°C (101°F). In contrast, July has a higher minimum temperature of 25°C (77°F) and can reach up to 40°C (105°F) at its peak. Additionally, September experiences more rainfall, with 135 mm (5.3 in) of precipitation over 18 days, compared to July's 88 mm (3.5 in) over 17 days. The humidity level in September is also noticeably higher at 76%, while July maintains a lower humidity at 64%. For more insights, check out Swamimalai weather in July.
In comparing the weather between August and September, we see that both months maintain a similar temperature range, with September recording a minimum of 24°C (76°F) and a maximum of 38°C (101°F), while August experiences slightly higher maximum temperatures at 39°C (102°F). The average temperature in September remains steady at 30°C (86°F), just marginally cooler than August's average of 30°C (87°F). However, September notably experiences increased precipitation, totaling 135 mm (5.3 in) over 18 days, compared to August's 97 mm (3.8 in) over 16 days, indicating that September is wetter and more humid, with a humidity level of 76% compared to August's 69%. For more detailed weather insights, you can check Swamimalai weather in August.
September and October exhibit noticeable differences in weather patterns. In September, the 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). There is considerable rainfall, totaling 135 mm (5.3 in) over 18 days, and humidity levels are relatively high at 76%. In contrast, October sees slightly cooler temperatures, with a minimum of 23°C (75°F) and a maximum of 37°C (99°F), averaging 29°C (84°F). However, it experiences even more precipitation, with 168 mm (6.6 in) over 21 days, and humidity rises to 87%. For a detailed look at the weather patterns in October specifically, you can check Swamimalai weather in October.
In September, the weather tends to be hot with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 38°C (101°F), averaging around 30°C (86°F). The month also sees significant rainfall, accumulating 135 mm (5.3 in) over 18 days, with a humidity level of 76%. In contrast, November experiences slightly cooler temperatures, with a minimum of 22°C (72°F), an average of 27°C (81°F), and a maximum of 35°C (95°F). However, November is notably wetter, with precipitation reaching 240 mm (9.4 in) over 24 days, and humidity rises to 88%. For a detailed look at November weather in a specific location, check out Swamimalai weather in November.
In September, the weather tends to be quite warm, with average temperatures reaching up to 30°C (86°F) and peaking at a sweltering 38°C (101°F). The month is also marked by significant rainfall, with 135 mm (5.3 in) of precipitation over 18 days, resulting in a humidity level of 76%. In contrast, December brings cooler temperatures, with averages around 26°C (79°F) and a maximum of 32°C (91°F). Precipitation is slightly less at 126 mm (5.0 in) over 12 days, and humidity rises to 83%. For more detailed information on December weather in Swamimalai, visit Swamimalai weather in December.
September in Swamimalai marks a transition as the monsoon season reaches its peak. Compared to the hotter summer months, this period brings relief with average temperatures settling around a comfortable 30°C (86°F), though the occasional spike can reach a scorching 38°C (101°F). The weather is significantly marked by increased humidity levels of 76%, creating a lush, vibrant atmosphere. However, expect frequent rainfall, with nearly 18 days of precipitation adding up to 135 mm (5.3 in), making it the wettest month of the year. This blend of warmth and moisture not only enriches the surroundings but also sets the stage for a unique experience in nature. For a deeper dive into the region's climate patterns, visit Swamimalai Climate.