Last updated: August 21, 2025
In September, Mandapam, India experiences a tropical climate marked by warm temperatures and high humidity. The average temperature hovers around 28°C (83°F), with daily maxima reaching 30°C (87°F) and minima dipping to 26°C (78°F). This month is also notable for its precipitation, with approximately 48 mm (1.9 in) of rain distributed over 9 days, contributing to the region's lush landscapes. With humidity levels peaking at 86%, visitors can expect a combination of sultry and refreshing conditions that characterize the late monsoon season.
As September rolls into Mandapam, India, the temperatures begin to transition gently, reflecting the tail end of the summer season. With minimum temperatures settling at a pleasant 26°C (78°F), the month offers a comfortable start to the fall. The average temperature peaks at 28°C (83°F), making it ideal for outdoor activities, while maximums hover around 30°C (87°F), ensuring that warm, sunny days still dominate. This slight cooling trend signifies a refreshing shift from the heat of the summer months, setting a welcoming tone for the upcoming autumn ambiance. Overall, September in Mandapam balances warmth with the promise of cooler days ahead, perfect for both locals and travelers alike.
In September, Mandapam experiences a noticeable increase in precipitation, receiving 48 mm (1.9 in) of rain over 9 days, marking a shift from the drier summer months. This uptick follows the relatively low rainfall of August, which recorded only 25 mm (1.0 in). As the region transitions into autumn, the moisture levels build up, setting the stage for the much heavier rains that October and November bring, with averages of 222 mm (8.8 in) and 450 mm (17.7 in), respectively. This trend signifies the onset of the monsoon's final phase, where the frequency and intensity of precipitation begin to rise, providing much-needed relief after the preceding dry spell and energizing the lush landscape surrounding Mandapam.
As September unfolds in Mandapam, India, the air remains rich with humidity at 86%, a slight decline from the peak of 87% seen in August. This month marks the tail end of a gradual upward trend in humidity that began in June, peaking during the sultry summer months. From 69% in the early part of the year, humidity levels escalate significantly by mid-year, creating a notably muggy atmosphere. With the monsoon season wrapping up, September’s humidity reflects a balance between lingering moisture and the promise of transitioning weather, maintaining a consistently humid climate that characterizes this coastal region. As October approaches, steady humidity levels suggest that the maritime influence continues to play a significant role in shaping Mandapam's tropical conditions.
In September, Mandapam, India, experiences an intense UV Index of 14, categorizing it within the extreme exposure level, with a dangerously quick burn time of just 10 minutes. This month marks a peak in UV intensity, echoing the patterns established earlier in the year, especially in March and April, which also recorded a UV Index of 14. As the monsoon season begins to wind down, the UV rays remain relentless, emphasizing the importance of sun protection during this period. With the fierce sun consistently dominating from January through September, vigilance against UV exposure is crucial. For more insights on UV levels throughout the year, check out Mandapam UV Index.
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September shines brightly in Mandapam, India, with 321 hours of sunshine that encapsulate the tail end of the monsoon season. As the year progresses, the region experiences a gradual decrease in sunlight hours from the peak of 347 hours in May, reflecting the transition from summer's sweltering embrace to the more temperate autumn. Despite this decline, September still boasts abundant sunny days, maintaining the vibrant outdoor atmosphere that visitors cherish. The month serves as a gentle reminder of the sun-soaked summer past while gracefully ushering in the cooler months ahead, making it an ideal time for exploration and adventure.
September in Mandapam, India, marks a notable shift in weather patterns as the likelihood of sunny days dips to 20%. Following the intense monsoon months of July and August, which see a mere 22% and 9% chance of sunshine respectively, September mirrors this trend of reduced clarity in the skies. This transitional phase leads into a generally overcast atmosphere, contrasting sharply with the higher probabilities of sunshine seen in the earlier months of the year, such as 61% in February and 58% in March. As autumn approaches, sun-seekers might find the weather less favorable, making it a quieter time for outdoor activities in Mandapam.
As September unfolds in Mandapam, India, the region enjoys a consistent 12 hours of daylight, a continuation of the trend seen throughout the summer months from March to August. This stable daylight duration not only highlights the region’s tropical climate but also provides an ideal setting for outdoor activities and exploration. The gradual transition to shorter days begins in October, reminding locals and visitors alike of the shifting seasons. September's abundance of daylight invites the celebration of vibrant sunsets and lively evenings, making it a perfect time to revel in the natural beauty of Mandapam before the daylight hours subtly decline in the months to come.
As September approaches in Mandapam, India, the gentle caress of the wind reveals a transition in the season, with average wind speeds slowing to 6.0 m/s (13 mph). This decline is part of a broader trend seen throughout the year, starting from a breezy 6.8 m/s (15 mph) in January and peaking in June at 7.0 m/s (16 mph). The winds begin their retreat towards the end of summer, gradually easing into October's calmer currents. While September's moderate breeze may signal a lull, it is a reminder of the dynamic seasonal dance, as the atmospheric rhythms shift from the lively summer gusts to the serene whispers of the approaching fall.
Weather in Mandapam varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Mandapam, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather features higher temperatures, with a minimum of 26°C (78°F) and an average of 28°C (83°F), reaching up to 30°C (87°F). The month also experiences notable humidity at 86% and rainfall totaling 48 mm (1.9 in) over 9 days. In contrast, January offers slightly cooler conditions, with a minimum temperature of 24°C (75°F) and an average of 26°C (79°F), peaking at 28°C (83°F). Although January is generally drier, it sees a higher total precipitation of 108 mm (4.3 in) over just 8 days, accompanied by lower humidity levels at 76%. For more detailed insights, you can check Mandapam weather in January.
In September, the weather is characterized by warmer temperatures, with a minimum of 26°C (78°F) and an average of 28°C (83°F), peaking at 30°C (87°F). This month is also marked by higher humidity at 86% and more rainfall, totaling 48 mm (1.9 in) over approximately 9 days. In contrast, February offers slightly cooler temperatures, with a minimum of 24°C (76°F), an average of 26°C (79°F), and a maximum of 28°C (83°F). The humidity drops to a more comfortable 69%, and precipitation is significantly reduced, totaling just 19 mm (0.8 in) over about 5 days. For more detailed insights into February’s weather, visit Mandapam weather in February.
In comparing the weather of September and March, both months exhibit similar average temperatures, with March slightly cooler at an average of 28°C (82°F) compared to September's 28°C (83°F). The minimum temperatures are also closely aligned, with September experiencing a minimum of 26°C (78°F) and March having a marginally lower minimum of 25°C (77°F). However, September is characterized by higher humidity at 86%, compared to March's 69%, creating a less oppressive atmosphere during the latter month. Additionally, precipitation is more prevalent in September, totaling 48 mm (1.9 in) over 9 days, while March sees only 31 mm (1.2 in) over 7 days. For more specifics on the weather in March, you can visit Mandapam weather in March.
In September, temperatures remain warm with a minimum of 26°C (78°F) and an average of 28°C (83°F), reaching a maximum of 30°C (87°F). The month experiences about 48 mm (1.9 in) of rainfall across 9 days, along with higher humidity levels at 86%. In contrast, April sees slightly warmer conditions with a minimum of 26°C (78°F), an average of 29°C (84°F), and a maximum of 31°C (88°F). Precipitation is slightly lower at 42 mm (1.7 in) and occurs over 8 days, accompanied by significantly reduced humidity at 69%. For more detailed information, check out Mandapam weather in April.
In comparing the weather of September and May, we see some notable similarities and differences. Both months feature a minimum temperature around 26°C (78°F), but May tends to be slightly warmer overall, with average temperatures reaching 29°C (85°F) and a maximum of 33°C (91°F), compared to September's average of 28°C (83°F) and maximum of 30°C (87°F). Rainfall is also quite comparable, with September receiving 48 mm (1.9 in) over 9 days and May slightly less at 43 mm (1.7 in) over the same number of days. Additionally, September experiences higher humidity levels at 86%, while May enjoys a more comfortable 76%. For a more detailed look at May weather, you can check Mandapam weather in May.
In both September and June, the weather remains warm, with minimum temperatures consistently around 26°C (78°F). However, June tends to be slightly warmer overall, with an average temperature of 29°C (85°F) compared to September's average of 28°C (83°F). June also sees higher maximum temperatures, reaching up to 31°C (89°F), while September peaks at 30°C (87°F).
Precipitation varies significantly between the two months; September experiences a notable 48 mm (1.9 in) of rain across 9 days, making it much wetter than June, which only receives 8 mm (0.3 in) over just 1 day. Humidity levels are also higher in September at 86%, compared to June's 82%. For more specific details about June weather, you can visit Mandapam weather in June.
In comparing the weather between September and July, it is evident that while both months maintain warm temperatures, September tends to be slightly cooler overall. The average temperature in September is 28°C (83°F), with a maximum of 30°C (87°F), compared to July's average of 29°C (84°F) and maximum of 31°C (89°F). Additionally, September sees more precipitation, with 48 mm (1.9 in) occurring over 9 days, contrasting sharply with July's much drier conditions of only 12 mm (0.5 in) over 3 days. Humidity is marginally higher in September at 86%, compared to 83% in July. For more detailed insights about July weather, you can check out the link: Mandapam weather in July.
In comparing the weather of September and August, we see only slight variations. Both months feature a minimum temperature of around 26°C (78°F), while September averages a temperature of 28°C (83°F), similar to August's average. However, September tends to experience a marginally lower maximum temperature of 30°C (87°F) compared to August's 31°C (88°F). Precipitation is notably higher in September, with 48 mm (1.9 in) over 9 days, whereas August receives just 25 mm (1.0 in) over 4 days. Humidity levels are fairly consistent, with September at 86% and August slightly higher at 87%. For a more detailed look at the August weather, you can check out Mandapam weather in August.
In September, the weather in Mandapam tends to be warm and relatively dry, with average temperatures ranging from a minimum of 26°C (78°F) to a maximum of 30°C (87°F). The month sees about 48 mm (1.9 in) of precipitation over approximately 9 days, while humidity remains high at 86%. In contrast, October experiences a slight dip in minimum temperatures at 25°C (77°F) but maintains a similar average of 28°C (82°F) and a maximum of 30°C (86°F). However, October is significantly wetter, with precipitation soaring to 222 mm (8.8 in) over 19 days, highlighting a marked increase in rainfall while humidity stays constant at 86%. For more details, you can check Mandapam weather in October.
In September, the weather is typically warm with temperatures ranging from a minimum of 26°C (78°F) to a maximum of 30°C (87°F), accompanied by an average temperature of 28°C (83°F). The month sees a moderate level of precipitation, totaling 48 mm (1.9 in) over about 9 days, while the humidity remains high at 86%.
In contrast, November experiences slightly cooler temperatures, with a minimum of 25°C (76°F) and a maximum of 29°C (85°F), averaging around 27°C (81°F). However, this month is significantly wetter, with a substantial increase in rainfall to 450 mm (17.7 in) over 24 days, while the humidity remains constant at 86%. For more detailed information, you can check Mandapam weather in November.
In September, the weather is characterized by warm temperatures, with a minimum of 26°C (78°F) and an average maximum of 30°C (87°F). The month experiences relatively low precipitation at 48 mm (1.9 in) over about 9 days and notable humidity at 86%.
In contrast, December sees slightly cooler temperatures, with a minimum of 24°C (75°F) and an average maximum of 28°C (84°F). However, it is significantly wetter, with precipitation totaling 245 mm (9.6 in) spread over 19 days, while humidity remains similar at 85%. This makes December a much wetter month compared to September. For more details on the weather during this time, check out Mandapam weather in December.
As September unfolds in Mandapam, the weather begins to shift, offering a unique blend of warmth and moisture that sets it apart from the preceding months. With maximum temperatures reaching around 30°C (87°F) paired with high humidity levels of 86%, the atmosphere can feel quite sultry. Despite this warmth, the average temperature rests comfortably at 28°C (83°F), providing a pleasant respite during the hotter days. Rainfall also becomes more prominent, with approximately 48 mm (1.9 in) spread over 9 days, signaling the transition between summer and the upcoming autumn. This increase in precipitation lends a refreshing quality to the air, making September a distinct and dynamic time in Mandapam’s yearly climate pattern. For a deeper dive into the weather dynamics, visit Mandapam Climate.