September Weather in Palani, India

Last updated: August 21, 2025

September in Palani, India, unfolds a dynamic weather tapestry characterized by maximum temperatures soaring to a sweltering 35°C (95°F) and a comfortable average of 27°C (81°F). The season is marked by the monsoon rains, which bring a substantial 122 mm (4.8 in) of precipitation over 21 days, contributing to lush greenery in the region. Despite the rainfall, the humidity remains notably high at 87%, creating a tropical ambiance that envelops the area. This blend of warmth and wetness makes September a unique and vibrant time in Palani, perfect for experiencing the natural beauty and cultural richness of this Indian gem.

September Temperature in Palani

In September, temperatures in Palani, India, exhibit a subtle transition as the monsoon season begins to wane. With minimums around 22°C (72°F) and average highs reaching 35°C (95°F), the weather remains relatively warm, but noticeably cooler than the peak summer months. The average temperature hovers around 27°C (81°F), offering a pleasant respite from the intense heat of prior months. As the month progresses, the humidity begins to drop, making outdoor activities more enjoyable, while still retaining the lush greenery that September's rains have nurtured. Overall, it’s a charming time to experience everything Palani has to offer, blending warm days with the anticipation of the cooler autumn months ahead.

September Weather in Palani: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Palani, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Palani, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec767983868583828181807875
Data source: Temperature data for Palani generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Palani

In September, Palani experiences a significant surge in rainfall, with 122 mm (4.8 inches) of precipitation recorded over 21 days. This marks the peak of the monsoon season, following a steady increase in rainfall since May. The month stands out as a pivotal transition, with rainfall intensifying from 98 mm in July and 112 mm in August, heralding the onset of October’s even higher totals. The persistence of wet days in September underscores the region's lush transformation as it is drenched in vibrant, life-giving rains, setting the stage for the following months. This seasonal pattern not only shapes the local ecology but also highlights the reliance on these monsoons for agriculture and water supply in the bustling town of Palani.

September Precipitation Trends in Palani

The chart displays monthly precipitation patterns in Palani, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Palani, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec46121819617098112122163211133
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Palani

In September, Palani, India, experiences consistently high humidity levels, reaching a peak of 87%—a figure that mirrors the prior two months. This trend marks the continuation of a substantial rise in humidity that begins in late spring. From May onward, humidity surges significantly, peaking in the summer months of July and August before maintaining the same high levels through September. As the year transitions into October, a slight decrease to 84% begins, signaling the arrival of drier conditions. This pattern highlights how humid Palani can become during the monsoon season, creating a lush and vibrant environment, while also emphasizing the importance of hydration and comfort for residents and visitors alike.

September Average Humidity in Palani

This chart illustrates the average monthly humidity levels in Palani, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Palani is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%57%57%68%81%84%87%87%87%84%82%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Palani

In September, Palani, India, maintains a UV Index of 14, categorizing it as extreme and aligning with the high levels seen throughout the summer months. This trend reflects the region's persistent sun exposure, evident from January to August, where the UV Index consistently peaked at extraordinary levels. Despite a slight dip in October to 12, the burn time remains perilously short at just 10 minutes, underscoring the necessity for vigilant sun protection. As you navigate the sunny days of September, be sure to stay informed about the UV Index for safe outdoor activities. For more details, visit Palani UV Index.

Maximum UV Index Levels in Palani for September

The chart shows the monthly maximum UV Index (UVI) for Palani in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Palani typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111314151413131414121010
Data source: Palani September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Palani

As September unfolds in Palani, India, the month offers a delightful 308 hours of sunshine, marking a slight dip from the vibrant summer months. After basking in the glow of 343 hours in March and consistently bright days through May, the sunshine begins to taper, yet it maintains a warm atmosphere. This gentle decrease aligns with the onset of the monsoon retreat, allowing for a balanced climate that's perfect for exploration and outdoor activities. Notably, the transition from the blistering summer heat to the more moderate fall heralds a period where both locals and visitors can revel in the enchanting landscapes, illuminated by soft, golden rays. As the year progresses, the sun's presence, while lessened, still casts a radiant charm over Palani, ensuring September is a splendid time to soak in nature's beauty.

Monthly Sunshine Duration in Palani: September Highlighted

The September sunshine duration represents the total number of hours Palani experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec262h310h343h333h338h327h328h307h308h301h271h290h
Data source: Palani September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Palani During September

In September, Palani, India, sees a notable dip in sunny weather, with only an 18% chance of sunshine. This follows a trend of diminishing sunlit days through the monsoon season, which typically peaks in July and August with mere 16% and 8% chances, respectively. As the year progresses from the warmer months of March's 70% sunny days to the overcast conditions of late summer, September emerges as a transitional month. While the faint promise of sun lingers, it’s evident that visitors should prepare for a predominantly cloudy backdrop, with October bringing an even lower 11% chance. Thus, those seeking bright days in Palani may want to consider visiting earlier in the year, when the likelihood of sunshine is significantly higher.

Percentage of Sunny Days in September in Palani

The chart illustrates the percentage of sunny days in Palani throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Palani experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec30%65%70%44%26%21%16%8%18%11%5%60%
Data source: Palani September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Palani in September

In September, Palani, India, enjoys a delightful 12 hours of daylight, continuing a trend established in the preceding months from March through August. This consistent duration creates a perfect backdrop for outdoor activities and exploration, as longer days allow for more time to enjoy the region's vibrant culture and stunning landscapes. As the year transitions into October, the daylight begins to wane, returning to 11 hours, signaling the onset of shorter days ahead. This steady rhythm of daylight hours highlights the region's balanced climate, offering residents and visitors alike a mix of ample sunshine during the summer months and a gradual retreat into shorter days as the year draws to a close.

Average Daylight Hours in Palani for September

The chart illustrates the variation in daylight duration in Palani throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 34m11h 46m12h 3m12h 20m12h 35m12h 42m12h 39m12h 26m12h 9m11h 52m11h 37m11h 30m
Data source: Palani daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Palani

In September, Palani experiences a gentle breeze, with an average wind speed of 2.8 m/s (or about 6 mph), signaling a subtle transition towards the quieter months ahead. This level of wind reflects a noteworthy dip from the peak winds of July, which reached 3.8 m/s (9 mph), while still maintaining a comfortable ease compared to the earlier summer months. As the year progresses, September’s winds softly embrace the lingering warmth of summer, marking a time of serene change, and setting the stage for the calmer, cooler days of October and November that follow.

Average September Wind Speed in Palani

The chart displays monthly wind speed patterns in Palani, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.81.92.11.92.23.23.83.12.8 m/s1.51.41.8
Data source: Palani September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Palani Compares to Other Months

Weather in Palani varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Palani, focusing on differences in temperature, rainfall, humidity, and UV levels.

September's weather is characterized by warmer temperatures, with minimums around 22°C (72°F) and averages peaking at 27°C (81°F). The month experiences significant rainfall, averaging 122 mm (4.8 in) over 21 days, coupled with high humidity levels of 87%. In contrast, January boasts cooler temperatures, with minimums dropping to 16°C (62°F) and an average around 24°C (76°F). Precipitation is notably lower at 46 mm (1.8 in) spread across just 5 days, and the humidity decreases to 64%. For more details, check out Palani weather in January.

September and February exhibit quite different weather patterns. September typically sees higher humidity levels at 87% along with substantial rainfall, accumulating around 122 mm (4.8 in) over 21 days, and temperatures ranging from a minimum of 22°C (72°F) to a maximum of 35°C (95°F), with an average of 27°C (81°F). In contrast, February experiences drier conditions with only 12 mm (0.5 in) of rainfall over just one day, lower humidity at 57%, and temperatures ranging from a minimum of 17°C (63°F) to a maximum of 36°C (97°F), averaging 26°C (79°F). For more insights on February weather, visit Palani weather in February.

In comparing the weather of September and March, we notice some distinct differences. September experiences a warm range with average temperatures around 27°C (81°F) and high humidity at 87%, making it feel quite sultry. It's also a relatively wet month, with about 122 mm (4.8 in) of rain spread over 21 days. In contrast, March presents a slightly cooler minimum temperature of 19°C (67°F) but can reach highs of 38°C (100°F), showcasing the peak of summer heat. This month sees much less rainfall, with only 18 mm (0.7 in) occurring over just 4 days and a significantly lower humidity of 57%. For more details on the weather during this month, you can visit Palani weather in March.

In comparing the weather between September and April, we observe notable differences in temperature and precipitation. September tends to be milder, with average temperatures ranging from a minimum of 22°C (72°F) to a maximum of 35°C (95°F), accompanied by high humidity at 87% and significant precipitation of 122 mm (4.8 in) over 21 days. In contrast, April experiences warmer temperatures, with averages that soar between 22°C (72°F) and 39°C (102°F), yet it is much drier, with only 19 mm (0.7 in) of rain falling over just 5 days and a lower humidity level of 68%. For a more detailed look at April weather, you can check Palani weather in April.

In September, the weather typically sees a minimum temperature of 22°C (72°F) and an average of 27°C (81°F), with a maximum reaching up to 35°C (95°F). The month experiences considerable precipitation, with 122 mm (4.8 in) of rain falling over 21 days, along with a high humidity level of 87%. In contrast, May tends to be slightly warmer, starting with a minimum temperature of 23°C (73°F) and averaging 29°C (85°F), peaking at a maximum of 39°C (103°F). Precipitation in May is notably lower at 61 mm (2.4 in) over 14 days, and humidity is relatively lower at 81%. For a detailed look at the weather trends in May, you can visit Palani weather in May.

When comparing the weather in September and June, we notice that both months experience warm temperatures, but September tends to be slightly cooler. In June, the minimum temperature is around 23°C (74°F), with an average of 28°C (83°F) and a maximum reaching 37°C (99°F). In contrast, September starts with a minimum of 22°C (72°F) and has an average temperature of 27°C (81°F), with a high of 35°C (95°F). Additionally, September sees more rainfall, with 122 mm (4.8 inches) over 21 days, compared to June's 70 mm (2.8 inches) over 17 days. Humidity is quite similar, with September at 87% and June at 84%. For a closer look at June weather specifics in Palani, you can read more here: Palani weather in June.

When comparing the weather in September and July, both months exhibit warm temperatures and high humidity levels, with July being slightly warmer on average. July sees minimum temperatures around 23°C (73°F) and maximums reaching 36°C (96°F), whereas September has a slightly cooler minimum of 22°C (72°F) and a maximum of 35°C (95°F). Precipitation is more frequent in September, with 122 mm (4.8 in) over 21 days compared to July's 98 mm (3.9 in) across 18 days. Interestingly, humidity remains constant at 87% in both months, contributing to the tropical feel of the climate. For more details, you can explore Palani weather in July.

In comparing the weather between August and September, we observe that both months feature similar temperature ranges, with minimums at 22°C (72°F), averages at 27°C (81°F), and maximums reaching 35°C (95°F) in September and 96°F in August. However, September sees slightly more precipitation at 122 mm (4.8 in) compared to August's 112 mm (4.4 in), despite both months experiencing rain on 21 days. The humidity levels remain constant at 87% for both months, indicating that the overall climatic conditions are quite similar. For more details on August weather, you may visit Palani weather in August.

In September, temperatures typically ranged from a minimum of 22°C (72°F) to a maximum of 35°C (95°F), with an average of 27°C (81°F). The month saw considerable rainfall, accumulating 122 mm (4.8 in) spread over 21 days and a high humidity level of 87%. Conversely, October presents a slight drop in average temperature, with minimums at 21°C (71°F) and an average of 26°C (80°F), while still peaking at 35°C (94°F). Rainfall in October increases to 163 mm (6.4 in) over the same number of days, but humidity decreases slightly to 84%. For more specific details about October's weather conditions, check out Palani weather in October.

In September, the weather tends to be warmer with average temperatures reaching 27°C (81°F) and maximums soaring up to 35°C (95°F). The month is characterized by high humidity at 87% and significant rainfall, with 122 mm (4.8 in) of precipitation over 21 days. In contrast, November sees slightly cooler temperatures, averaging 25°C (78°F) with a lower maximum of 34°C (94°F), and a minimum of 19°C (66°F). However, November experiences increased precipitation, totaling 211 mm (8.3 in) also over 21 days, yet the humidity remains moderately lower at 82%. For more specifics, you can check Palani weather in November.

September and December weather presents a notable shift in temperature and humidity. In September, the minimum temperature hovers around 22°C (72°F), reaching an average of 27°C (81°F) and peaking at 35°C (95°F). The month experiences substantial rainfall, with 122 mm (4.8 in) of precipitation over 21 days, accompanied by a high humidity level of 87%. In contrast, December sees a drop in temperatures, with a minimum of 18°C (64°F) and a more comfortable average of 24°C (76°F), maxing out at 31°C (88°F). Precipitation in December is slightly higher at 132 mm (5.2 in) but falls over just 11 days, and the humidity decreases to 76%. For a deeper dive into December's specific weather patterns, visit Palani weather in December.

Compare Palani's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Palani

As September unfolds in Palani, the weather presents a noticeable transition from the drier months that precede it. The warmth remains prevalent, with average temperatures hovering around a comfortable 27°C (81°F), yet the increased humidity of 87% brings a muggy feel to the air. This month also marks the onset of the monsoon season, resulting in significant rainfall totaling 122 mm (4.8 in) over approximately 21 days, making it one of the wetter months of the year. The lush surroundings and vibrant landscapes become a hallmark of this time, offering a stark contrast to the drier spells that characterize the earlier months. For a deeper dive into the climate nuances, check out Palani Climate.