Last updated: August 21, 2025
In September, Chengalpattu, India experiences a warm and humid climate, with average temperatures hovering around 29°C (85°F). The month witnesses a maximum temperature reaching up to 36°C (97°F), while the nights cool down to a comfortable minimum of 24°C (76°F). This period is marked by significant rainfall, accumulating to 138 mm (5.4 in) over an average of 19 days, contributing to the region's high humidity level of 79%. Prepare for a blend of warmth and wetness as the landscape transforms under the monsoon's embrace.
September in Chengalpattu, India showcases a transitional climate as the monsoon season begins to taper off. With minimum temperatures settling around 24°C (76°F) and averages peaking at 29°C (85°F), the month offers a slight respite from the intense heat of the preceding summer. Daytime highs reach a comfortable 36°C (97°F), marking a gradual decline from the sweltering peaks of May's 41°C (106°F). This time of year is characterized by a blend of warmth and humidity, creating a pleasant atmosphere perfect for outdoor activities, as the landscape lushens from recent rains. Thus, September serves as a bridge to the cooler months ahead, inviting visitors to experience Chengalpattu in a more temperate light.
In September, Chengalpattu experiences a significant uptick in rainfall, with total precipitation reaching 138 mm (5.4 in) spread over 19 days. This marks a slight decrease from the preceding month of August, which saw 140 mm (5.5 in), yet it still represents one of the wettest months of the year. The pattern of increasing rainfall is evident as the summer months transition into the monsoon season, with September typically acting as a bridge toward the even wetter October, which averages 182 mm (7.2 in). Overall, this month is characterized by frequent showers, setting the stage for the lush greenery that follows in the subsequent weeks.
September brings a noticeable rise in humidity to Chengalpattu, with levels climbing to 79%. This increase follows the wet months of June and July, which experience moderate humidity but are still lower than September's peak. As the year progresses into the autumn months, the humidity continues its upward trend, culminating in October's even higher figure of 88%. The pattern indicates a clear shift towards more humid conditions, setting the stage for the surge into the winter months. In comparison, the sweltering heat of May and the moderate levels of early spring and summer contrast sharply with September's lush atmosphere, reflecting the significant seasonal shift that characterizes this period in Chengalpattu.
In September, Chengalpattu experiences a UV Index of 13, categorizing the exposure as extreme with a burn time of just 10 minutes. This trend of high UV exposure marks the continuation of the intense conditions that began in the earlier months of the year. From January through August, residents and visitors alike faced similar extreme levels, peaking in April at a UV Index of 14. As the city moves into October, the UV Index drops slightly to 11, but caution is still essential. The consistent extreme ratings highlight the need for protective measures against skin damage in this sun-drenched region. For more insights, visit Chengalpattu UV Index.
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September in Chengalpattu, India, experiences 289 hours of sunshine, marking a subtle decline from the vibrant summer months of May and June, which boast impressive totals of 351 and 310 hours respectively. This shift signals the transition into autumn, where the days grow shorter, yet still offer a delightful amount of sunlight. Overall, while September sees a slight dip in brightness compared to the peak summer months, it remains a month of ample warmth and light, preceding the milder days of October with its 301 hours of sun, allowing residents and visitors alike to savor the lingering summer feel.
In Chengalpattu, India, the likelihood of sunny weather in September takes a significant dip, with only a 14% chance of sunshine. This marks a continuation of the trend seen during the monsoon months, where the skies are more often overcast and rain tends to dominate. Following the higher sun probabilities of January and February, the sunny outlook gradually wanes through the hot months before plummeting as the monsoon intensifies in June and July. By the time September arrives, it's clear that the sunshine has largely retreated, ushering in a season where cloudy days and rainfall are far more common than clear blue skies. As the month progresses towards October, there is a slight rebound in sun chances, hinting at the eventual return of drier weather.
In Chengalpattu, India, the daylight duration exhibits a fascinating rhythm throughout the year. Starting with a consistent 11 hours in January and February, daylight gradually begins to stretch as spring approaches, peaking at 12 hours from March through September. This period, marked by longer days, promotes outdoor activities and vibrant community life, as residents bask in the ample sunshine. Interestingly, daylight begins to taper off once more in October, returning to 11 hours as the year nears its close. This cycle of light underscores the seasonal transitions, where September remains a highlight with its steadfast 12 hours of daylight, bridging the lively summer months with the forthcoming cooler season.
In September, the wind in Chengalpattu maintains a gentle yet refreshing average speed of 2.7 m/s (6 mph), suggesting a mild transition towards the cooler months. This slight uptick from August's 2.8 m/s indicates the last whispers of summer, as wind speeds begin to decrease into October's forecast of 2.2 m/s (5 mph). Observing the seasonal trends, we see that the wind typically picks up in May and June, reaching a peak of 3.4 m/s (8 mph) before beginning a gradual decline. As the year progresses, winds respond to the changing climate, providing a gentle reminder of nature's rhythm and the shift from the heat of summer to the cooler embrace of autumn. The consistency in wind patterns throughout the remaining months enhances the tranquil atmosphere, making September a serene time to experience the beauty of Chengalpattu.
Weather in Chengalpattu varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Chengalpattu, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present contrasting weather patterns. In September, temperatures range from a minimum of 24°C (76°F) to a scorching maximum of 36°C (97°F), with an average of 29°C (85°F). This month is marked by significant rainfall, accumulating 138 mm (5.4 in) over 19 days, contributing to a high humidity level of 79%. In comparison, January offers milder weather, where temperatures drop to a minimum of 19°C (66°F) and peak at 31°C (88°F), with an average of 25°C (78°F). Precipitation is considerably lower in January, totaling just 28 mm (1.1 in) over 5 days, and humidity also decreases to 73%. For more details on January weather, you can visit Chengalpattu weather in January.
September and February present distinctly different weather patterns. In September, temperatures range from a minimum of 24°C (76°F) to a maximum of 36°C (97°F), with an average of 29°C (85°F). This month is characterized by higher humidity at 79% and frequent rainfall, totaling 138 mm (5.4 in) over 19 days. In contrast, February offers milder conditions, with temperatures fluctuating between 19°C (66°F) and 33°C (92°F), averaging around 26°C (80°F). Precipitation is minimal, with only 8 mm (0.3 in) recorded on just one day, and the humidity drops to a comfortable 64%. For more detailed information about February weather, you can visit Chengalpattu weather in February.
When comparing the weather of September and March, notable differences emerge. September tends to be warmer and more humid, with average temperatures around 29°C (85°F) and maximums reaching up to 36°C (97°F). This month also experiences considerable rainfall, totaling 138 mm (5.4 in) over 19 days. In contrast, March offers relatively cooler temperatures, averaging 28°C (83°F) with highs of 37°C (99°F), but it features significantly less precipitation, with only 7 mm (0.3 in) falling over just 2 days. The humidity level in March is also lower, at 51%, making it more comfortable compared to the muggy conditions of September. For a closer look at March weather specifics, you can visit Chengalpattu weather in March.
When comparing the weather in September and April, September tends to be more humid and rainy. In September, temperatures range from a minimum of 24°C (76°F) to a maximum of 36°C (97°F), with an average of 29°C (85°F) and 138 mm (5.4 in) of precipitation over 19 days, resulting in a high humidity level of 79%. In contrast, April is drier and hotter, featuring a minimum temperature of 25°C (77°F) and peaking at 39°C (102°F), with an average temperature of 31°C (87°F). April sees only 10 mm (0.4 in) of rainfall across just 3 days, leading to a much lower humidity level of 50%. For a closer look at the specifics of April weather, you can check Chengalpattu weather in April.
September and May exhibit distinct weather patterns, highlighting the transition from the humid end of summer to the early hints of fall. In September, temperatures range from a minimum of 24°C (76°F) to a maximum of 36°C (97°F), accompanied by significant precipitation of 138 mm (5.4 in) over approximately 19 days, resulting in a humidity level of 79%. In contrast, May features slightly higher minimum temperatures starting at 25°C (77°F), peaking at a scorching maximum of 41°C (106°F). However, May experiences much lower precipitation at 20 mm (0.8 in) over just 5 days and a humidity level of 62%. For a detailed overview of May weather, check out Chengalpattu weather in May.
In comparing the weather of September and June, September presents slightly cooler temperatures with a minimum of 24°C (76°F) and an average of 29°C (85°F), while June boasts warmer conditions, featuring a minimum of 25°C (78°F) and an average of 32°C (90°F). June experiences more intense heat, with maximum temperatures reaching 40°C (104°F), compared to September's maximum of 36°C (97°F). Additionally, September is marked by higher precipitation levels, totaling 138 mm (5.4 in) over 19 days, whereas June sees significantly less rain at 71 mm (2.8 in) over 13 days. The humidity is also more pronounced in September at 79%, compared to 68% in June. For a closer look at June's climate specifics, check out Chengalpattu weather in June.
When comparing the weather in September and July, it’s clear that both months are characterized by warm temperatures, but September tends to be slightly cooler with average temperatures around 29°C (85°F) compared to July's higher average of 31°C (87°F). July experiences the highest maximum temperatures at 39°C (102°F), while September peaks at 36°C (97°F). Precipitation also differs, with September receiving more rainfall at 138 mm (5.4 in) over 19 days, whereas July sees 115 mm (4.5 in) over 17 days. Additionally, humidity levels are higher in September at 79%, compared to July's 59%, making September feel more humid. For more detailed insights into July's weather, you can check Chengalpattu weather in July.
September weather in Chengalpattu features an average temperature slightly lower than August, with minimums at 24°C (76°F) and maximums reaching 36°C (97°F) compared to August's minimum of 25°C (78°F) and maximum of 38°C (101°F). Both months see similar precipitation levels, with September receiving 138 mm (5.4 in) over 19 days, slightly less than August's 140 mm (5.5 in) over 18 days. Notably, September has higher humidity at 79%, while August maintains a lower humidity level of 72%. For more detailed information, you can check Chengalpattu weather in August.
September and October weather in Chengalpattu exhibit notable similarities and differences. In September, temperatures range from a minimum of 24°C (76°F) to a maximum of 36°C (97°F), with an average of 29°C (85°F) and a humidity level of 79%. The month sees about 138 mm (5.4 in) of precipitation over 19 days. In contrast, October experiences slightly cooler temperatures, with a minimum of 23°C (75°F) and a maximum of 35°C (96°F), averaging 28°C (83°F). However, it is also wetter, with 182 mm (7.2 in) of rainfall across 22 days and increased humidity at 88%. For more details, you can refer to Chengalpattu weather in October.
September and November weather exhibit notable differences, particularly in temperature and precipitation levels. In September, temperatures typically range from a minimum of 24°C (76°F) to a maximum of 36°C (97°F), with an average of 29°C (85°F). The month experiences significant rainfall, accumulating 138 mm (5.4 in) over 19 days and humidity levels averaging 79%. In contrast, November brings slightly cooler temperatures, with a minimum of 22°C (73°F) and a maximum of 33°C (92°F), averaging 27°C (81°F). However, it sees a sharp increase in precipitation, totaling 302 mm (11.9 in) across 21 days, and higher humidity at 89%. This shift implies that while November is cooler, it is wetter and more humid. For more details, you can refer to Chengalpattu weather in November.
In September, the weather tends to be warmer, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 36°C (97°F), averaging around 29°C (85°F). This month also experiences significant rainfall, with 138 mm (5.4 in) of precipitation spread over 19 days and a humidity level of 79%.
In contrast, December brings a milder climate, with temperatures ranging from a minimum of 20°C (69°F) to a maximum of 32°C (89°F), averaging 26°C (79°F). Precipitation decreases to 111 mm (4.4 in) over 10 days, while humidity rises slightly to 85%. For more details on December weather, you can check Chengalpattu weather in December.
As September unfolds in Chengalpattu, the weather takes a notable turn, showcasing a unique blend of warmth and moisture. With maximum temperatures peaking at a sultry 36°C and an average hovering around 29°C, the month presents a stark contrast to the cooler, drier months that precede it. Increased humidity, reaching 79%, contributes to a heavier atmosphere, while a significant amount of rainfall—138 mm over 19 days—transforms the landscape, nurturing lush greenery. This transition to a rainier season revitalizes the region, making September a pivotal month in the annual climate cycle. For a more in-depth understanding of how Chengalpattu's weather evolves throughout the year, explore the comprehensive details at Chengalpattu Climate.