Last updated: August 21, 2025
September in Namakkal, India, is characterized by warm temperatures and significant rainfall. The maximum temperature reaches 36°C (97°F), while the average hovers around 28°C (83°F), with a minimum of 23°C (74°F). This month witnesses an accumulated precipitation of 168 mm (6.6 in), distributed over 19 days, resulting in a humidity level of 76%. The frequent rains contribute to a lush landscape, making September a dynamic month for both weather and nature in Namakkal.
In September, Namakkal, India, experiences a gradual transition as temperatures remain relatively stable with minimums around 23°C (74°F) and averages settling at 28°C (83°F). The city enjoys a mild warmth, peaking at 36°C (97°F) during this month, marking a slight decline from the sweltering summer highs of previous months. This modest decrease accompanies the onset of the monsoon season, bringing refreshing breezes that soften the heat. As the landscape begins to turn lush and vibrant, September offers a delightful blend of warm days and cooler nights, making it an appealing time for both locals and visitors to embrace the outdoor beauty of Namakkal.
In September, Namakkal experiences a notable peak in precipitation, with an impressive 168 mm (6.6 in) of rainfall recorded over approximately 19 days. As the monsoon reaches its zenith, the city's lush landscapes flourish, benefiting greatly from the ample moisture. This surge in rainfall follows a gradual increase from the previous months, as August also marked a significant uptick with 143 mm (5.6 in). Together, these months illustrate a robust monsoon pattern, typically characterized by an increasing frequency and intensity of rain, culminating in September's substantial totals before tapering off into the drier months ahead.
As September rolls into Namakkal, the humidity levels peak at 76%, marking a notable increase from the preceding months. This month sees a humid embrace, contrasting with the drier spell observed from February to April, where the humidity dipped to a low of 56%. The trend shows a gradual rise as the monsoon season approaches, with June and August hovering in the low to mid-60s and transitioning into a more humid climate. Following September, the humidity escalates further, reaching its zenith in October and November at 87% and 88%, respectively. This seasonal shift faithfully reflects the region's monsoon patterns, making September a transitional month where the air grows heavier, hinting at the impending rains and the lush transformation of the landscape.
In September, Namakkal, India, experiences a UV Index of 13, categorized as extreme, with a burn time of just 10 minutes. This month continues the trend seen throughout the summer, where high UV levels have been the norm, peaking in April with an index of 15. Although the index dips slightly from the peak of the preceding months, it remains significantly high, requiring residents and visitors to stay vigilant about sun protection. As we transition into October, the UV Index will decrease but still remain in the extreme category, illustrating the persistent strength of the sun in this region during the early fall. For more details on UV levels throughout the year, check out Namakkal UV Index.
UV Risk Categories
September in Namakkal, India, continues the region's rich tapestry of sunlight as the month enjoys 303 hours of radiant shine. This places September comfortably within the top tier of the year for sun hours, following a peak in May with 347 hours. While slightly less luminous than the summer months, the sunshine in September still provides a warm transition into the cooler autumn days. The trend clearly showcases a gradual decline in sunlight from the vibrant heights of spring and early summer, yet Namakkal's September remains a bright and inviting time, perfect for outdoor activities and enjoying nature's beauty. As the year progresses, we see a gentle dip in illumination heading towards the winter months, emphasizing the region’s dynamic seasonal rhythm.
In Namakkal, India, the likelihood of sunny weather sees a notable shift throughout the year, with September offering a mere 16% chance of sunshine. This represents a trend of decreasing sunlight as the monsoon season peaks, following the relatively brighter months of January through April, which experience significantly higher probabilities of clear skies. While February and March shine brightly with chances exceeding 70%, the months leading to September—particularly July and August—bring a dramatic decline, making the transition into autumn a rather gloomy affair. Post-September, October maintains a low 14% chance, suggesting that residents will likely need to seek shelter from the rain rather than bask in the sun during this time.
In Namakkal, India, the September daylight duration remains consistent with the preceding months, offering 12 hours of daylight. This marks a period of stability in the region’s sunlight availability, as the daylight hours have persisted at this level from March through September. Following the warm summer months, this trend highlights a balanced climate, transitioning smoothly into the cooler days of October, when daylight begins to wane. Notably, the daylight hours will then return to 11 hours each in the subsequent months of November and December, indicating a gradual shift towards winter. Overall, September signifies a serene midpoint in Namakkal's yearly cycle of light, bridging the lushness of summer and the mildness of the approaching winter.
As September unfolds in Namakkal, India, the winds continue to carry the warmth of the approaching autumn, with an average wind speed of 2.3 m/s (5 mph). This month reflects a subtle decline from the breezier summer months of June and July, which saw peaks of 2.8 m/s (6 mph) and 2.7 m/s (6 mph) respectively. While September's winds are softer than the height of summer, they still offer a refreshing contrast to the stillness often felt in the months that follow, especially in October and November when the speeds drop to around 1.4 m/s (3 mph). This gentle breeze symbolizes a transition, easing the intense heat and ushering in the pleasant ambiance that characterizes the later part of the year. The pattern reveals a gradual shift from the vigorous winds of summer to the calmer, comfortable gusts of autumn, captivating all who experience it.
Weather in Namakkal varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Namakkal, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 36°C (97°F), averaging around 28°C (83°F). The month is characterized by significant rainfall, with 168 mm (6.6 in) falling over 19 days, contributing to a high humidity level of 76%. In contrast, January brings cooler temperatures, with a minimum of 17°C (63°F) and a maximum of 35°C (94°F), averaging at 26°C (78°F). Precipitation drops significantly to just 23 mm (0.9 in) over 3 days, and humidity is slightly lower at 72%. For more details on January weather, you can visit Namakkal weather in January.
In comparing the weather between September and February, there's a notable contrast in temperature and precipitation. September boasts a minimum temperature of 23°C (74°F) and average highs around 28°C (83°F), with scorching peaks reaching up to 36°C (97°F). It also experiences significant rainfall, averaging 168 mm (6.6 in) over 19 days, resulting in a humidity level of 76%. In contrast, February offers milder conditions, starting at a minimum of 16°C (61°F) and maintaining an average temperature of 27°C (81°F), while maximum temperatures can reach up to 37°C (99°F). February is remarkably drier, with only 3 mm (0.1 in) of precipitation over just one day and a lower humidity of 62%. For more details on February weather, you can refer to Namakkal weather in February.
Comparing the weather in September and March reveals some significant differences. In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 36°C (97°F) with an average of 28°C (83°F). This month also experiences considerable rainfall, with precipitation reaching 168 mm (6.6 in) over 19 days and high humidity at 76%. In contrast, March boasts slightly cooler minimum temperatures at 20°C (69°F) and higher maximum temperatures reaching up to 39°C (102°F), with an average of 30°C (86°F). March is significantly drier, with only 15 mm (0.6 in) of precipitation falling over just 3 days and lower humidity levels at 57%. For more detailed information on the weather specifics in March, check out Namakkal weather in March.
When comparing the weather in September and April, several notable differences emerge. September tends to be milder, with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 36°C (97°F). However, it is also quite humid, with a humidity level of 76% and substantial rainfall amounting to 168 mm (6.6 in) over 19 days. In contrast, April experiences higher average temperatures, ranging from 25°C (77°F) up to an extreme maximum of 41°C (106°F). This month is significantly drier, receiving only 35 mm (1.4 in) of precipitation across just 5 days, and the humidity is lower at 56%. For more detailed information, check out Namakkal weather in April.
In comparing the weather between September and May, both months start with a minimum temperature of 23°C (74°F), but May tends to be warmer overall, with an average of 31°C (88°F) and a maximum of 41°C (106°F). In contrast, September has a slightly lower average temperature of 28°C (83°F) and a high of 36°C (97°F). Rainfall also varies significantly; September experiences much higher precipitation at 168 mm (6.6 in) over 19 days, while May receives only 75 mm (3.0 in) over 14 days. Additionally, humidity levels are higher in September at 76%, compared to a more comfortable 64% in May. For more specific details, you can check Namakkal weather in May.
September generally sees slightly cooler temperatures compared to June, with average highs of 28°C (83°F) compared to June's 30°C (86°F). However, September is marked by higher humidity at 76% and increased precipitation, receiving 168 mm (6.6 in) over 19 days, whereas June experiences less rainfall, totaling 72 mm (2.8 in) over 14 days, along with lower humidity of 71%. This suggests that September is more humid and wetter, making it feel more oppressive than the hotter, but drier June. For more specific details, you can check out Namakkal weather in June.
In comparing the weather between July and September, both months experience warm temperatures with a minimum of 23°C (74°F). However, September tends to be slightly cooler on average, with an average temperature of 28°C (83°F) compared to July's 29°C (84°F). July features higher maximum temperatures, reaching up to 38°C (101°F), while September peaks at 36°C (97°F). Additionally, September experiences more considerable precipitation with 168 mm (6.6 in) over 19 days, compared to July's 121 mm (4.7 in) across 21 days. This results in a noticeably higher humidity level in September at 76%, compared to July's 64%. For more detailed insights, you can visit Namakkal weather in July.
In comparing the weather of September to that of August, both months experience similar minimum and average temperatures, with September showing a slight decrease in maximum temperature, dropping from 37°C (98°F) in August to 36°C (97°F). However, September has significantly more precipitation, totaling 168 mm (6.6 in) over 19 days, compared to August's 143 mm (5.6 in) while maintaining the same number of rainy days. Additionally, humidity is higher in September at 76%, compared to August's 69%, indicating a more humid atmosphere. For a detailed look at August's weather, you can visit Namakkal weather in August.
In comparing the weather between September and October, both months experience similarly warm average temperatures around 28°C (82-83°F), but October's temperatures are slightly milder with a minimum of 21°C (71°F) compared to September's 23°C (74°F). Precipitation increases in October, with 176 mm (6.9 in) over 22 days, compared to 168 mm (6.6 in) over 19 days in September. Additionally, October sees a rise in humidity, reaching 87% versus September's 76%. This shift towards more humid conditions and increased rainfall makes October a notably wetter month. For more detailed weather information, check out Namakkal weather in October.
In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 36°C (97°F), with an average of 28°C (83°F). The month experiences significant rainfall, totaling 168 mm (6.6 in) over 19 days, coupled with a humidity level of 76%. In contrast, November features slightly cooler temperatures, with a minimum of 20°C (69°F) and a maximum of 34°C (94°F), averaging 27°C (80°F). Precipitation during November is marginally lower at 164 mm (6.5 in) over 17 days, alongside increased humidity at 88%. For more detailed insights, you can check Namakkal weather in November.
In September, the weather tends to be hotter and more humid, with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 36°C (97°F). This month also experiences significant rainfall, totaling 168 mm (6.6 in) over 19 rainy days, contributing to a humidity level of 76%. In contrast, December brings slightly cooler temperatures with a range from 19°C (66°F) to a maximum of 33°C (91°F) and an average of 25°C (78°F). Additionally, December sees much less rainfall, with only 72 mm (2.8 in) over 7 days, while the humidity increases to 83%. For more detailed information about December weather in Namakkal, check this link: Namakkal weather in December.
As September unfolds in Namakkal, the weather showcases a unique blend of warmth and humidity, setting it apart from the preceding months. While temperatures remain comfortably high, frequent rains contribute to a significant increase in precipitation days, often leading to lush greenery and a refreshing atmosphere. The average humidity level of 76% brings a touch of moisture to the air, marking a transition into the wetter season. This precipitation not only enriches the landscape but also creates a distinct, vibrant character for the month. For a deeper understanding of Namakkal's weather patterns, be sure to check out Namakkal Climate.