Last updated: August 21, 2025
September in Kottayam, India, brings a warm and humid atmosphere, with temperatures ranging from a comfortable 23°C (74°F) to a peak of 32°C (91°F). The average temperature hovers around 27°C (81°F), creating a tropical ambiance perfect for experiencing the lush greenery of the region. However, this month also marks a period of substantial rainfall, with an impressive 309 mm (12.2 in) of precipitation spread over 27 days, leading to a rhythm of showers that nurture the local landscape. With a high humidity level of 85%, visitors should be prepared for a muggy climate, making this a truly immersive experience in the heart of Kerala’s picturesque backwaters.
September in Kottayam, India, offers a delightful transition into the milder conditions of the post-monsoon season. With minimum temperatures hovering around 23°C (74°F) and a consistent average of 27°C (81°F), the weather remains comfortably warm yet refreshing. The maximum temperatures peak at about 32°C (91°F), marking a slight dip from the sweltering heat of the summer months. This month presents a fascinating blend of humidity and coolness, reminiscent of early autumn, making it an ideal time for outdoor adventures or simply enjoying the lush greenery that this vibrant region is known for. As the rains taper off, Kottayam reveals its natural beauty, providing a perfect backdrop for exploration and leisure.
September in Kottayam, India, sees a significant drop from the intense monsoon months preceding it, though it still presents a robust precipitation total of 309 mm (12.2 in) over an impressive 27 rainy days. The rainfall during this month, while lower than August’s peak of 485 mm, indicates that the region remains under the influence of the monsoon season. As the rains continue, the lush landscapes thrive, showcasing a vibrant atmosphere. This gradual decline in both precipitation and rainy days suggests an upcoming transition to October, where rainfall remains substantial at 324 mm (12.8 in) but typically indicates the tapering off of monsoonal forces. Overall, September serves as a bridge between the monsoon’s peak and the beginning of the dryer months ahead.
As the tropical climate of Kottayam unfolds throughout the year, September stands out with an humidity level of 85%, just slightly lower than the peak of 87% experienced in August. This month marks the tail end of the monsoon season, where humidity typically remains elevated. Following a gradual increase from 64% in February to a high of 86% in July, the humidity levels begin to stabilize as the year progresses into the autumn months. Notably, September's moisture levels indicate a slight decrease as Kottayam transitions into October, which sees a modest humidity of 84%. This subtle drop suggests a shift towards drier conditions, yet the lingering humidity still envelops the region, maintaining the essence of its lush, green landscapes.
In September, Kottayam experiences a notable increase in sun intensity, with a UV Index of 14, placing it in the extreme exposure category. This means that unprotected skin can begin to burn in as little as 10 minutes of direct sunlight. Following a pattern seen since January, where the UV Index has consistently been high, September marks the peak of solar intensity in Kottayam, continuing the extreme levels noted in the preceding months. This trend reflects the region's prevalent sun exposure throughout the year, especially during the pre-monsoon period. As you prepare for outdoor activities this month, it's crucial to prioritize sun safety. For more details, visit the Kottayam UV Index.
UV Risk Categories
September in Kottayam, India, enjoys a delightful 280 hours of sunshine, marking a vibrant transition as the monsoon begins to wane. This month reflects a slight uptick from the dimmer days of August, which saw only 247 hours of sunlight. The trend in hours of sunshine reveals a consistent peak during the first half of the year, with March boasting the most hours at 336. As the seasons shift, September provides a refreshing balance with ample sunlight, paving the way for October's gradual decline to 273 hours. This seasonal rhythm highlights Kottayam's unique climate, where luminous days gradually give way to the rich greenery nourished by the recent rains.
In Kottayam, India, the likelihood of sunny weather in September is quite low, with only a 12% chance of clear skies. This pattern reflects the general trend of diminishing sunshine as the monsoon season takes hold, with the summer months, such as February (67%) and March (62%), showcasing much brighter conditions. As the year progresses, the chances of sunny days plummet, hitting a nadir in the height of the monsoon from June (13%) through August (5%). With October and November further contributing to the gloomy outlook, September stands out as part of a historically overcast period, making it an unlikely time for basking in sunlight. The return of brighter days isn't expected until the end of the year, with December creeping back up to 62%, reminding us of the vibrant skies that Kottayam has to offer once the rains recede.
In Kottayam, India, September marks a continuation of the region's consistent daylight pattern, with the sun gracing the sky for a generous 12 hours. This duration mirrors the trend set from March through August, reflecting a steady and plentiful distribution of sunlight during the mid-year months. As the monsoon season lingers, the consistent 12-hour daylight may enhance the lush greenery, creating a vibrant atmosphere. However, as October approaches, daylight begins to wane, dropping back to 11 hours, signaling the gradual shift towards the cooler months. This rhythm of daylight not only influences daily life but also beautifully underscores the seasonal transitions in this picturesque locale.
As September unfolds in Kottayam, India, the average wind speed settles at a refreshing 2.1 m/s (about 5 mph), echoing the lively breezes of the monsoon season that precede it. This subtle dip from July's peak of 2.7 m/s captures the transition from the vigorous winds of the rainy months to the milder currents of October. In the context of the year, September stands out with its breezy allure, marking the tail end of the monsoon's dynamic weather. As the air begins to calm, the gentle winds of September invite residents and visitors alike to revel in the shifting landscape, signaling a gentle retreat from the moisture-laden gusts that characterize the preceding summer months.
Weather in Kottayam varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Kottayam, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather in Kottayam is characterized by warm temperatures, with a minimum of 23°C (74°F) and an average of 27°C (81°F), peaking at 32°C (91°F). However, this month sees substantial rainfall, totaling 309 mm (12.2 inches) over 27 days, and a high humidity level of 85%. In contrast, January offers a more stable climate, with temperatures ranging from a cooler minimum of 19°C (67°F) to a maximum of 36°C (98°F) and a comfortable average of 28°C (82°F). Precipitation drops significantly to just 45 mm (1.8 inches) over only 4 days, and humidity decreases to 70%. This makes January a drier and less humid month compared to the wet and humid September. For more details, visit Kottayam weather in January.
September in Kottayam features a warm and humid climate, with average temperatures ranging from a mild 23°C (74°F) to a high of 32°C (91°F). This month is characterized by significant rainfall, with 309 mm (12.2 in) of precipitation spread over 27 days, resulting in high humidity levels of 85%. In contrast, February offers a warmer and drier experience, with temperatures ranging from a minimum of 21°C (71°F) to a peak of 38°C (101°F). The rainfall drops drastically to just 22 mm (0.9 in) over 3 days, and humidity levels decrease to 64%, making February a more comfortable month overall. For a detailed overview of Kottayam weather in February, visit Kottayam weather in February.
In comparing the weather of September and March, September tends to be more humid and wetter, with average temperatures ranging from 23°C to 32°C (74°F to 91°F) and a significant 309 mm (12.2 in) of precipitation spread over 27 days. In contrast, March exhibits warmer temperatures, with a minimum of 24°C (75°F) and a maximum soaring to 38°C (100°F), while experiencing much less rainfall at 74 mm (2.9 in) over 14 days. Overall, March is characterized by lower humidity at 66%, making it feel hotter and drier compared to the more humid conditions of September. For more detailed insights, you can check Kottayam weather in March.
In comparing the weather patterns of September and April, we see notable differences in temperature and precipitation. September experiences lower average temperatures, with a minimum of 23°C (74°F), an average of 27°C (81°F), and a maximum of 32°C (91°F), accompanied by substantial rainfall of 309 mm (12.2 in) spread over 27 days and high humidity at 85%. In contrast, April boasts warmer temperatures, with similar minimums but an average of 30°C (86°F) and a peak of 38°C (101°F). Rainfall in April is significantly less at 154 mm (6.1 in), occurring over 25 days, and the humidity is lower at 71%. For more detailed information, you can check Kottayam weather in April.
In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 32°C (91°F), with an average of 27°C (81°F). The month experiences significant rainfall, totaling 309 mm (12.2 in) over 27 days, coupled with high humidity levels at 85%. In contrast, May presents a slightly warmer climate, with minimum temperatures of 24°C (75°F) and maximums reaching up to 36°C (96°F). May also sees higher precipitation at 377 mm (14.9 in) over 29 days, but the humidity is comparatively lower at 77%. This makes May feel hotter, despite similar rainfall patterns. For more detailed insights on the weather during this month, refer to Kottayam weather in May.
In comparing the weather of September and June, both months exhibit similar average temperatures, hovering around 27°C (81°F), but with slightly different patterns. September typically experiences a minimum temperature of 23°C (74°F) and a maximum of 32°C (91°F), while June has a minimum of 24°C (76°F) and peaks at 33°C (91°F). Notably, June is characterized by significantly higher rainfall, accumulating 499 mm (19.6 in) over 30 days, compared to September’s 309 mm (12.2 in) across 27 days, making June the wetter month overall. Humidity levels are also quite high in both months, at 85% for September and 83% for June. For more detailed insights into June weather, visit Kottayam weather in June.
In comparing the weather of September and July, we observe some notable differences. Both months have similar average temperatures, with September reaching a minimum of 23°C (74°F) and a maximum of 32°C (91°F), while July experiences a slightly higher minimum of 24°C (75°F) and a maximum of 32°C (90°F). However, July is typically wetter, with 420 mm (16.5 in) of precipitation over 30 days compared to September's 309 mm (12.2 in) over 27 days. Humidity levels are also quite high in both months, with July at 86% and September at 85%, contributing to a consistently tropical atmosphere. For a more detailed look at the weather specifics, you can visit Kottayam weather in July.
September weather shows a slight decrease in precipitation compared to August, with 309 mm (12.2 inches) falling over 27 days, compared to the heavier 485 mm (19.1 inches) spread across 30 days in August. The temperature remains similar, with both months averaging around 27°C (81°F). However, September tends to feel slightly less humid, at 85%, compared to August's 87%. For more detailed August weather information, visit Kottayam weather in August.
In September, the weather features a range of temperatures with a minimum of 23°C (74°F) and an average of 27°C (81°F), peaking at a maximum of 32°C (91°F). The month is characterized by significant rainfall, with total precipitation reaching 309 mm (12.2 in) over 27 days, accompanied by high humidity levels of 85%.
Conversely, October sees a slight increase in maximum temperatures, reaching 33°C (91°F), while maintaining a minimum of 23°C (74°F) and an average of 27°C (81°F). Despite this temperature rise, October experiences slightly more rainfall, totaling 324 mm (12.8 in) over 29 days, with humidity levels remaining relatively stable at 84%. For a more detailed look at October weather specifically, you can check Kottayam weather in October.
September and November present notable differences in weather, despite their similar average temperatures. In September, temperatures range from a comfortable minimum of 23°C (74°F) to a high of 32°C (91°F), with a significant amount of precipitation at 309 mm (12.2 in) spread over 27 days, resulting in a humid environment with an average humidity of 85%. On the other hand, November experiences slightly milder temperatures, with a minimum of 22°C (72°F) and a maximum of 34°C (94°F). The rainfall decreases to 223 mm (8.8 in) over 22 days, contributing to a slightly drier atmosphere with 83% humidity. For more details about weather patterns in November, you can check Kottayam weather in November.
In September, temperatures typically range from a minimum of 23°C (74°F) to a maximum of 32°C (91°F), with an average of 27°C (81°F). The month is characterized by high humidity at 85% and substantial rainfall, totaling 309 mm (12.2 in) over 27 days. In contrast, December experiences slightly warmer temperatures, with a minimum of 22°C (72°F) and a maximum of 34°C (94°F), and a comparable average of 28°C (82°F). However, December features significantly lower precipitation, at 76 mm (3.0 in) across just 11 days, and a slightly lower humidity level of 80%. For a more detailed look at the weather conditions in December, you can visit Kottayam weather in December.
As September unfolds in Kottayam, the weather transforms significantly from the drier months. With an average temperature lingering around a warm 27°C (81°F), the days are often met with high humidity levels, soaring up to 85%, which can make the heat feel more intense. This month is also characterized by frequent rainfall, with about 27 days of precipitation accumulating to 309 mm (12.2 in), creating a lush, green landscape that is a hallmark of the region's tropical climate. For those planning a visit, it's essential to embrace the wet season, as the vibrant scenery and cooler evenings bring a unique charm to Kottayam. Discover more about the region's weather patterns at Kottayam Climate.