Last updated: August 21, 2025
September in Velankanni, India, envelops visitors in a warm embrace, with average temperatures reaching a comfortable 29°C (84°F). Days can soar to a maximum of 33°C (92°F), while nights cool down to a minimum of 25°C (78°F). This month is also characterized by frequent rains, accumulating to about 117 mm (4.6 in) across 18 rainy days, creating a lush and vibrant landscape. With humidity levels hovering around 76%, the atmosphere remains rich and invigorating, perfect for those seeking to experience the unique charm of Velankanni during this monsoon season.
In September, Velankanni experiences a continuation of the warm and humid climate characteristic of the Indian coastal regions. With minimum temperatures around 25°C (78°F) and averages peaking at 29°C (84°F), the heat is still palpable, though it begins to ease slightly from the intense summer months. The maximum highs can reach 33°C (92°F), making outdoor activities still viable but increasingly more comfortable compared to the previous months. While the trend shows a gradual cooling, the remnants of summer linger, creating a vibrant atmosphere ideal for enjoying Velankanni's cultural delights and scenic beauty. As the month progresses, residents and visitors alike can expect hints of the coming monsoon season, adding to the region's lush landscape.
In September, Velankanni experiences a significant increase in rainfall, with precipitation reaching 117 mm (4.6 in) over 18 days. This spike marks a transition from the preceding months, where rainfall gradually built up from 81 mm (3.2 in) in August to this robust amount, signaling the height of the monsoon season. The consistent pattern of rainfall underscores a trend towards wetter conditions, as September's precipitation forms a pivotal bridge to the even higher levels expected in October, where the average jumps notably to 195 mm (7.7 in). This month not only showcases Velankanni's monsoonal peak but also prepares the region for the deluge of November, reinforcing its reputation as a hub of tropical downpours.
September in Velankanni, India, marks a notable increase in humidity, reaching 76%, a rise from the previous months. This uptick follows a gradual trend over the summer, where humidity began to climb from 64% in July to 69% in August. As the monsoon season approaches its peak, the air becomes increasingly moist, setting the stage for October's even higher levels at 87%. This pattern illustrates how the coastal climate of Velankanni is shaped by seasonal changes, leading to a distinctively humid atmosphere that characterizes the transition from summer to the impending autumn. As temperatures remain warm, the persistent humidity influences both the local weather and the cultural experiences in this vibrant coastal town.
In September, Velankanni experiences a UV Index of 13, categorized as extreme, which means that unprotected skin can burn in just 10 minutes. This month continues the trend of high ultraviolet exposure that peaks during the summer, with values reaching as high as 15 in April and 14 in August. Although the UV Index drops slightly from its summer highs, the intensity remains significant, reflecting the region's tropical climate. As the year transitions into the cooler months, it’s crucial to maintain sun protection habits, especially with the UV Index still in the extreme range. To learn more about Velankanni's UV Index, visit Velankanni UV Index.
UV Risk Categories
In September, Velankanni, India, basks in the warm embrace of 304 hours of sunshine, offering a delightful transition from the sultry summer months. This period marks a slight decrease in sunlight compared to the vibrant summer months of May and June, which boast nearly 350 hours each. However, September retains a commendable brightness, outshining the darker months of November and December, which dip to 257 and 297 hours, respectively. The gradual decline in sunlight from the peak summer months signals an upcoming shift towards the cooler season, yet the generous glow of September still invites beachgoers and pilgrims alike, ensuring that the spirit of Velankanni remains vibrant and welcoming.
In Velankanni, India, the trend of sunny weather takes a notable dip as summer transitions into the monsoon months. September experiences a modest 21% chance of sunshine, marking a continuation of the cloudy and wet conditions seen in the previous months of July and August, which offer even lower probabilities of sun. This decline in sunny days follows a peak around March and February, when the weather boasts the highest chances of clear skies at 65% and 63%, respectively. As the monsoon recedes into autumn, October and November further present diminished chances for sunshine, with likelihoods of just 18% and 6%. Thus, visitors and locals alike can expect September to be a month characterized more by cloud cover than brightness, setting the stage for the cooler and less humid conditions that await in the months ahead.
In Velankanni, India, September marks a notable continuation of the summer's warm embrace, offering residents and visitors a generous 12 hours of daylight. This duration mirrors the preceding months from March through August, showcasing a consistent pattern of extended daylight that characterizes the region during this time. As the year transitions towards October, daylight begins to wane slightly, dropping to 11 hours, a shift that signals the approach of cooler, shorter days ahead. This steady illumination in September not only enhances outdoor activities but also cultivates a vibrant atmosphere in this coastal town, making it an ideal time for exploration and relaxation amidst the lingering warmth of summer.
In September, Velankanni experiences a gentle breeze with an average wind speed of 4.1 m/s (9 mph), marking a subtle dip from the summer months and providing a refreshing transition into the fall. Following a pattern of relatively consistent wind speeds throughout the year, September’s winds are a little softer compared to the more vigorous gusts recorded in the preceding months of June and July, which both boast an average of 5.0 m/s (11 mph). As the year progresses, wind speeds gradually decline, suggesting a calming shift in the weather as the monsoon season fades. This serene atmosphere enhances the charm of Velankanni, inviting both locals and visitors to enjoy the tranquil surroundings before the winds pick up again in the cooler months ahead.
Weather in Velankanni varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Velankanni, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January showcase distinct weather patterns in Velankanni. September typically experiences higher temperatures, with an average of 29°C (84°F) and peaks reaching up to 33°C (92°F). In contrast, January presents milder conditions, featuring an average temperature of 26°C (79°F) and a maximum of 29°C (85°F). While September is characterized by significant rainfall, receiving about 117 mm (4.6 in) over 18 days, January sees a much drier climate with only 80 mm (3.2 in) of precipitation spread across 8 days. Humidity levels are relatively high in both months, though slightly lower in January at 72% compared to September's 76%. For more detailed information about January weather, visit Velankanni weather in January.
In September, the weather tends to be warmer and more humid, with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 33°C (92°F) and an average of 29°C (84°F). This month also experiences significant rainfall, totaling 117 mm (4.6 in) over about 18 days, leading to a humidity level of 76%. In contrast, February offers a more temperate climate, with cooler temperatures that range from a minimum of 22°C (72°F) to a maximum of 30°C (86°F), averaging 26°C (80°F). The month is significantly drier, with only 11 mm (0.4 in) of precipitation occurring over just 3 days, resulting in a lower humidity of 62%. For a more detailed comparison, you can check Velankanni weather in February.
In September, the weather is characterized by warmer temperatures with a minimum of 25°C (78°F), averaging 29°C (84°F), and peaking at 33°C (92°F). However, this month also sees significant rainfall, with around 117 mm (4.6 in) of precipitation over 18 days, accompanied by high humidity levels of 76%.
In contrast, March brings slightly cooler temperatures, with a minimum of 23°C (74°F) and an average of 28°C (82°F), while still reaching a maximum of 33°C (92°F). Notably, March experiences much less rainfall, totaling only 19 mm (0.8 in) over just 4 days, and features lower humidity at 57%. For more detailed information, check out Velankanni weather in March.
When comparing the weather in September and April, it is evident that both months offer warm temperatures, but April tends to be slightly hotter on average. In April, the minimum temperature is around 25°C (78°F) and the average reaches 30°C (85°F), while in September, the average temperature is slightly lower at 29°C (84°F). Additionally, April experiences significantly less rainfall, with just 23 mm (0.9 in) over 6 days, compared to September's 117 mm (4.6 in) spread across 18 days. This results in much lower humidity in April at 56%, compared to September's 76%. For a more detailed look at April weather, you can visit Velankanni weather in April.
When comparing the weather in September and May, several key differences emerge. September typically sees slightly lower temperatures, with average highs reaching 33°C (92°F) compared to May's more intense maximum of 36°C (97°F). Additionally, humidity levels in September are higher at 76%, leading to a more oppressive feel, whereas May experiences a more comfortable 64%. Precipitation is notably greater in September, with 117 mm (4.6 in) of rain spread over 18 days, while May records only 28 mm (1.1 in) over 9 days. For more detailed insights, you can check Velankanni weather in May.
In comparing the weather of September and June, September tends to be slightly cooler, with average temperatures ranging from a minimum of 25°C (78°F) to a maximum of 33°C (92°F), compared to June, which has a minimum of 26°C (80°F) and a maximum of 35°C (96°F). Additionally, September experiences significantly higher precipitation at 117 mm (4.6 in) over 18 days, while June sees much less rain, totaling only 37 mm (1.4 in) over 8 days. Humidity levels are also higher in September, averaging 76%, compared to June's 71%. For a more detailed look, you can check Velankanni weather in June.
In comparing the weather patterns of September and July, September tends to be slightly cooler, with average temperatures ranging from a minimum of 25°C (78°F) to a maximum of 33°C (92°F), while July experiences higher temperatures with a minimum of 26°C (78°F) and a maximum of 35°C (95°F). The humidity in September is notably higher at 76%, compared to July's 64%, creating a more humid feel during the former month. Additionally, September sees more precipitation, averaging 117 mm (4.6 in) over 18 days, compared to July’s 62 mm (2.5 in) across 15 days. For a detailed look into the weather specifics of July, you can check out Velankanni weather in July.
In comparing the weather between August and September, we see some notable differences. Both months have a minimum temperature of 25°C (78°F) and an average temperature hovering around 29°C, but September tends to be slightly cooler on average, with a maximum temperature of 33°C (92°F) compared to August's 35°C (95°F). Additionally, September experiences more precipitation, totaling 117 mm (4.6 in) over 18 days, in contrast to August's 81 mm (3.2 in) over 15 days. Furthermore, September has higher humidity levels at 76% compared to August's 69%. For more detailed information about August weather, you can visit Velankanni weather in August.
In comparing the weather of September and October, we see some notable differences. September typically features a minimum temperature of 25°C (78°F) and an average of 29°C (84°F), with a maximum reaching up to 33°C (92°F). However, it experiences significant rainfall, totaling 117 mm (4.6 in) over 18 days, contributing to a humidity level of 76%.
In contrast, October maintains a similar minimum temperature of 25°C (77°F) and a slightly lower average of 28°C (83°F), while still peaking at 33°C (91°F). The month sees increased precipitation, with 195 mm (7.7 in) falling over 23 days, causing a rise in humidity to 87%. For those interested in more detailed October conditions, check out Velankanni weather in October.
In comparing the weather between September and November, a notable change is observed. September typically experiences higher temperatures, with an average of 29°C (84°F) and maximums reaching 33°C (92°F). However, it also sees significant rainfall, accumulating around 117 mm (4.6 in) over 18 days. In contrast, November offers slightly cooler conditions, with average temperatures dropping to 27°C (81°F) and maximums at 31°C (88°F). Yet, November is markedly wetter, with precipitation soaring to 415 mm (16.3 in) across 24 days, creating a much more humid environment with humidity levels rising to 88%. For more details, check out Velankanni weather in November.
In September, the weather tends to be warmer, with average temperatures ranging from a minimum of 25°C (78°F) to a maximum of 33°C (92°F), accompanied by significant humidity at 76%. This month also experiences considerable precipitation at 117 mm (4.6 in) over 18 days, indicating a fairly wet environment. In contrast, December brings slightly cooler temperatures, with averages ranging from 23°C (74°F) to 30°C (86°F), while also experiencing higher humidity at 83%. Notably, December sees a substantial increase in rainfall, totaling 233 mm (9.2 in) over the same number of rainy days. For more details on the specific weather patterns, you can check Velankanni weather in December.
As September graces Velankanni, the weather takes on a distinctive character with warmer temperatures and an increase in humidity, making it feel quite tropical. The average temperature hovers around a comfortable 29°C, but those seeking sunshine should be prepared for frequent rain showers, as the month sees a notable rise in precipitation. With around 18 rainy days accumulating 117 mm of rain, September stands out as a transition period from the dry heat of summer to the lush conditions that follow. For those planning a visit, it's essential to be ready for both the warmth and the occasional downpour. For more detailed insights, explore the full Velankanni Climate.