September Weather in Nilgiri, India

Last updated: August 21, 2025

September in Nilgiri, India experiences warm temperatures, with maximums reaching 35°C (96°F) and an average of 29°C (84°F), while nighttime lows drop to a pleasant 24°C (76°F). This month is characterized by significant precipitation, totaling 286 mm (11.3 in) across approximately 25 days, contributing to the region's lush greenery. With humidity levels soaring at 86%, the air feels heavy and tropical, creating a vibrant atmosphere that invigorates the natural landscape of Nilgiri.

September Temperature in Nilgiri

In September, the temperatures in Nilgiri, India begin to reflect a gradual yet noticeable transition towards the cooler months of the year. With a minimum temperature of 24°C (76°F) and an average of 29°C (84°F), the month offers a refreshing respite from the hotter summer days. The maximum temperature peaks at 35°C (96°F), slightly lower than the summer highs, hinting at the onset of a milder climate. This marks the tail end of the monsoon season, making September a pleasant time to explore the lush landscapes of Nilgiri while enjoying comfortably warm, yet not oppressive, weather. The overall trend shows a gradual descent in temperatures as the region transitions toward autumn, inviting both locals and visitors to embrace the beauty of the changing season.

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

The chart illustrates September temperature patterns in Nilgiri, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nilgiri, 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).
JanFebMarAprMayJunJulAugSepOctNovDec677382878786858484827568
Data source: Temperature data for Nilgiri 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 Nilgiri

In September, Nilgiri continues to experience a significant rainfall pattern, contributing to the area's lush greenery and vibrant ecosystem. With an impressive 286 mm (11.3 in) of precipitation over 25 days, this month showcases a slight decrease from the peaks of July and August, yet it remains substantial enough to keep the monsoon's intensity alive. The transition into October, which typically sees a drop to 159 mm (6.3 in), suggests that as the monsoon season winds down, the region transitions toward the drier months ahead. This consistent and generous rainfall from June to September underscores Nilgiri's characteristic monsoon climate, vital for its agriculture and natural beauty.

September Precipitation Trends in Nilgiri

The chart displays monthly precipitation patterns in Nilgiri, 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 Nilgiri, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec82030531162152973232861593948
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Nilgiri

In September, the humidity in Nilgiri, India hovers around a notable 86%, marking a slight decrease from the peaks of the previous two months but still indicative of the lingering monsoon season. As we trace the humidity trends throughout the year, we notice a distinct pattern: the year begins with relatively lower levels, peaking dramatically in the middle months of July and August, where humidity skyrockets to as high as 91%. Following this moist crescendo, September's humidity remains elevated but begins a gradual decline towards the drier months ahead. This transition reflects the region's seasonal cycles, where the lushness of the monsoon gives way to a more temperate climate, paving the way for the crisp air of autumn.

September Average Humidity in Nilgiri

This chart illustrates the average monthly humidity levels in Nilgiri, 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 Nilgiri is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec68%64%57%51%65%79%91%90%87%85%81%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Nilgiri

As we transition into September in Nilgiri, the UV Index remains notably high at 13, categorizing this month within the extreme exposure level. This intensity is consistent with the preceding months of July and August, where the UV Index peaked at 13 and 14 respectively, demanding a cautious approach to sun exposure with a burn time of only 10 minutes. Interestingly, while the UV levels begin a gradual descent in October, signaling the end of this extreme phase, September still poses significant risks for outdoor activities. It’s essential for residents and visitors alike to remain vigilant against UV-related harm during this time. For more details on UV levels and safety, visit Nilgiri UV Index.

Maximum UV Index Levels in Nilgiri for September

The chart shows the monthly maximum UV Index (UVI) for Nilgiri 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 Nilgiri typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec68101012121314131276
Data source: Nilgiri 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 Nilgiri

As the warm embrace of September settles over Nilgiri, India, the region receives 264 hours of sunshine, reflecting a gentle decline from the vibrant luminosity of the preceding months. This period marks the tail end of a summer glow, where the sun has shone most generously in May, boasting 350 hours. Following a pattern of gradual decrease, September's sunlight prepares the landscape for the lush rejuvenation of the upcoming months. With a noticeable dip from the peak summer months, this transition heralds the changing seasons, inviting a tranquil atmosphere before October's 288 hours of light returns, suggesting a harmonious cycle of nature's rhythms.

Monthly Sunshine Duration in Nilgiri: September Highlighted

The September sunshine duration represents the total number of hours Nilgiri 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.
JanFebMarAprMayJunJulAugSepOctNovDec244h284h331h333h350h288h270h276h264h288h279h278h
Data source: Nilgiri September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Nilgiri During September

In the charming hills of Nilgiri, India, the likelihood of sunny weather sees a marked decline as the year progresses into September. With a mere 10% chance of sun, this month stands in stark contrast to the radiant skies of early months such as January and February, where the sun shines brightly with probabilities exceeding 87%. The summer months, particularly May and June, also witness a significant dip, leading up to an almost overcast July and August. The arrival of September, while still lacking in sunshine, hints at the promise of a more pleasant October, where the chance of sun climbs back to 51%. This pattern reflects a yearly cycle that showcases Nilgiri's vibrant transformation from sunny beginnings to the cooler, cloud-laden end of the monsoon season.

Percentage of Sunny Days in September in Nilgiri

The chart illustrates the percentage of sunny days in Nilgiri 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 Nilgiri experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec87%88%83%64%49%20%7%9%10%51%60%62%
Data source: Nilgiri September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Nilgiri in September

In September, the beautiful Nilgiri region enjoys a comfortable 12 hours of daylight, bringing a sense of balance as it transitions from the longer days of summer. This month marks a gradual decrease in sunlight, echoing the patterns seen throughout the year. After peaking at 13 hours in May, June, and July, the daylight duration holds steady in September before gently tapering off into the cooler months of October and November. This ebb and flow of daylight not only highlight the enchanting rhythm of nature but also offer residents and visitors alike the perfect opportunity to savor the vibrant landscapes as they bathe in the warm glow of the changing seasons.

Average Daylight Hours in Nilgiri for September

The chart illustrates the variation in daylight duration in Nilgiri throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 58m11h 25m12h 1m12h 38m13h 9m13h 24m13h 16m12h 49m12h 14m11h 37m11h 5m10h 50m
Data source: Nilgiri daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Nilgiri

As September graces the Nilgiri hills, the wind whispers a familiar tale, maintaining a gentle pace of 2.3 m/s (5 mph), consistent with the previous month. This slight stability in wind speed hints at a transitional phase, following the gradual increase seen from the earlier months; May boasted the highest gusts at 3.3 m/s (7 mph), before tapering off into the softer breezes of late summer and early autumn. Notably, the average wind speed in September mirrors that of August, suggesting a continuation of the season’s mellow ambiance. As the year inches toward its close, the winds remind us of their own rhythmic dance, ever-changing yet reliably cyclical in this enchanting part of India.

Average September Wind Speed in Nilgiri

The chart displays monthly wind speed patterns in Nilgiri, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.01.92.42.83.32.72.72.32.3 m/s2.01.82.1
Data source: Nilgiri September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Nilgiri Compares to Other Months

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

September and January present striking contrasts in weather. In September, temperatures range from a minimum of 24°C (76°F) to a maximum of 35°C (96°F), with an average of 29°C (84°F). This month is also marked by high humidity at 86% and significant precipitation, totaling 286 mm (11.3 in) over 25 days. In contrast, January offers a cooler climate, with temperatures dropping to a minimum of 10°C (50°F) and an average of 19°C (67°F), peaking at 31°C (88°F). Rainfall is minimal in January, with just 8 mm (0.3 in) recorded over a single day, accompanied by lower humidity of 68%. For more detailed information, check Nilgiri weather in January.

September and February present stark contrasts in weather patterns. September boasts warmer temperatures with a minimum of 24°C (76°F) and an average of 29°C (84°F), peaking at a sweltering 35°C (96°F). This month is also marked by significant rainfall, averaging 286 mm (11.3 in) over 25 days, along with high humidity levels at 86%. In contrast, February offers cooler conditions, with a minimum of 11°C (51°F) and an average temperature of 23°C (73°F), reaching a high of 37°C (98°F). This month experiences much less precipitation, only about 20 mm (0.8 in) across just 1 day, and has lower humidity at 64%. For more specific details, you can check Nilgiri weather in February.

In September, the weather tends to be much warmer and wetter compared to March. With temperatures ranging from a minimum of 24°C (76°F) to a maximum of 35°C (96°F), it is characterized by high humidity at 86% and significant rainfall, averaging 286 mm (11.3 in) over 25 days. In contrast, March presents a mild yet warmer climate, featuring temperatures that range from a minimum of 17°C (62°F) to a scorching maximum of 41°C (106°F). This month is also much drier, with only 30 mm (1.2 in) of precipitation occurring over just 5 days and a lower humidity of 56%. For a detailed look at weather patterns during the month of March, check out Nilgiri weather in March.

When comparing the weather in September and April, several notable differences emerge. September typically experiences higher humidity levels at 86% and more frequent rainfall, with an average precipitation of 286 mm over 25 days. The temperature ranges from a minimum of 24°C (76°F) to a maximum of 35°C (96°F). In contrast, April boasts a warmer average temperature of 30°C (87°F) but can see peaks reaching up to 41°C (106°F). The month is notably dryer, with only 53 mm of rain across 10 days and a significantly lower humidity level of 51%. For more details on weather patterns in April, visit Nilgiri weather in April.

September and May present distinct weather patterns, showcasing the transition between the tail end of summer and the onset of fall. In September, temperatures range from a minimum of 24°C (76°F) to a maximum of 35°C (96°F), with an average of 29°C (84°F). This month experiences considerable rainfall, averaging 286 mm (11.3 in) over 25 days, along with high humidity at 86%. In contrast, May is typically hotter, with temperatures ranging from a minimum of 22°C (71°F) to a maximum of 39°C (103°F) and an average of 31°C (88°F). However, it is significantly drier, receiving only 116 mm (4.6 in) of precipitation over 11 days and lower humidity at 65%. For more details about the weather in May, you can visit Nilgiri weather in May.

In comparing the weather conditions of September and June, both months feature warm temperatures with high humidity, but they differ significantly in key aspects. September experiences slightly lower average temperatures, ranging from a minimum of 24°C (76°F) to a maximum of 35°C (96°F), whereas June sees a higher maximum temperature of 41°C (106°F) and an average of 30°C (87°F). Additionally, September is marked by more substantial precipitation, totaling 286 mm (11.3 in) over 25 days, compared to June's 215 mm (8.5 in) over 21 days. The humidity remains elevated in both months, with September at 86% and June at 79%. For more details about the weather in June specifically, visit Nilgiri weather in June.

In comparing the weather between September and July, both months exhibit high temperatures and significant humidity levels, though with some distinctions. September showcases a minimum temperature of 24°C (76°F) and a maximum of 35°C (96°F), while July is slightly warmer with a minimum of 25°C (78°F) and peaks at 37°C (99°F). Despite July having a slightly lower average temperature of 29°C (85°F) compared to September's 29°C (84°F), it is important to note that July experiences higher humidity at 91% compared to September's 86%. Precipitation is also notable in both months, with July receiving 297 mm (11.7 in) over 28 days and September getting 286 mm (11.3 in) across 25 days. For more detailed insights on July weather in this region, visit Nilgiri weather in July.

In comparing the weather of September and August, both months exhibit similar average temperatures, with September having a minimum temperature of 24°C (76°F) and August slightly warmer at 25°C (77°F). The maximum temperatures remain comparable, peaking at 35°C (96°F) in September and 36°C (96°F) in August. However, September experiences slightly less precipitation, measuring 286 mm (11.3 in) over 25 days, compared to August's 323 mm (12.7 in) over 28 days. Additionally, humidity levels are marginally lower in September at 86%, while August sees a higher humidity level of 90%. For more detailed information on the weather in August, you can visit Nilgiri weather in August.

In September, the weather is marked by higher temperatures, with a minimum of 24°C (76°F) and an average of 29°C (84°F), peaking at 35°C (96°F). The month experiences significant rainfall, totaling 286 mm (11.3 in) over 25 days, along with high humidity levels at 86%. In contrast, October sees a slight drop in nighttime temperatures, with a minimum of 18°C (65°F) and an average of 28°C (82°F), still reaching a maximum of 35°C (95°F). Rainfall in October decreases to 159 mm (6.3 in) over just 15 days, with humidity slightly lowering to 84%. For more details on October weather, check out Nilgiri weather in October.

In September, the weather is notably warmer and more humid, with average temperatures reaching 29°C (84°F) and a high of 35°C (96°F). The month also experiences significant rainfall, totaling 286 mm (11.3 in) over 25 days, contributing to a humidity level of 86%. In contrast, November brings cooler temperatures, with a minimum of 13°C (56°F) and an average of 24°C (75°F), while the maximum reaches 33°C (92°F). Rainfall drops drastically to just 39 mm (1.5 in) over 2 days, resulting in a lower humidity of 81%. For more details on November weather, you can check Nilgiri weather in November.

September and December present strikingly different weather conditions. In September, temperatures range from a warm minimum of 24°C (76°F) to a scorching maximum of 35°C (96°F), accompanied by high humidity at 86%. This month also sees considerable rainfall, with an average of 286 mm (11.3 in) over 25 days, making it one of the wettest months of the year. In contrast, December brings cooler and drier weather, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 30°C (87°F) and significantly lower precipitation of just 48 mm (1.9 in) over only 2 days. The humidity is also lower at 78%, making December feel much more comfortable compared to the humid September climate. For a closer look at December's weather, check out Nilgiri weather in December.

Compare Nilgiri's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Nilgiri

As September unfolds in Nilgiri, the weather takes on a unique character distinct from other months. With heightened humidity levels reaching 86%, the air feels heavier, creating a tropical atmosphere. The average temperature hovers around a balmy 29°C, while maximum daytime highs can soar to 35°C, making it one of the warmer months. However, the region also experiences a significant increase in rainfall, with 286 mm of precipitation spread over 25 rainy days, refreshing the lush landscape and revitalizing the local flora. This contrast between warmth and moisture defines September's charm, beckoning adventurers and nature lovers alike. For those interested in deeper insights into the region's annual weather patterns, explore the Nilgiri Climate.