September Weather in Darjiling, India

Last updated: August 21, 2025

In September, Darjiling, India experiences a dynamic climate, characterized by a maximum temperature of 30°C (86°F) and a pleasant average of 23°C (73°F), dropping to a minimum of 17°C (63°F). The region sees significant precipitation, with 408 mm (16.1 in) falling over the month, resulting in nearly 28 rainy days. The high humidity level of 93% adds to the lush, green landscape, making September a unique time when the hills are draped in mist and the region's beauty is accentuated by the ongoing monsoon. Whether you're drawn to the vibrant flora or the serene atmosphere, this month offers a captivating glimpse into Darjiling’s enchanting weather patterns.

September Temperature in Darjiling

In September, Darjeeling experiences a gentle transition as temperatures begin to cool down from the summer heat. With a minimum of 17°C (63°F) and a maximum of 30°C (86°F), the weather remains pleasantly moderate, making it an ideal time for exploration. The average temperature hovers around 23°C (73°F), offering a comfortable climate for both locals and tourists alike. As the monsoon recedes, the lush landscapes flourish, encouraging visitors to revel in the breathtaking scenery. This month marks a pivotal shift towards the crisp fall months ahead, with temperatures gradually trending downward, hinting at the seasonal changes and vibrant foliage to come.

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

The chart illustrates September temperature patterns in Darjiling, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Darjiling, 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).
JanFebMarAprMayJunJulAugSepOctNovDec505461666973737473686053
Data source: Temperature data for Darjiling 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 Darjiling

September in Darjeeling, India, marks a significant transition in the monsoon cycle, with precipitation amounting to 408 mm (16.1 in) over 28 days of rain. This showcases a noticeable reduction from the peak rainfall in July, which received an astounding 991 mm (39.0 in), yet remains substantial compared to the previous months. The tail end of the monsoon brings a welcome respite, as September's rainfall is less intense than August's 574 mm (22.6 in), indicating a gradual tapering of downpours. As the region prepares for the drier months ahead, its lush landscapes continue to flourish, thanks to this ample rainfall that, while significant, signals the beginning of a seasonal shift.

September Precipitation Trends in Darjiling

The chart displays monthly precipitation patterns in Darjiling, 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 Darjiling, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec32771902753856029915754082052620
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Darjiling

September in Darjeeling, India, marks the peak of humidity, maintaining a steamy 93%, a level consistent with the preceding months of July and August. This trio of months witnesses a dramatic rise from the 34% in April, showcasing the transition into the monsoon season where lush greenery thrives. Following September, humidity begins to gently decline, settling to 88% in October, and continuing its downward trend through the year. The fluctuation in humidity levels reflects the distinct seasonal changes Darjeeling experiences, with the summer months ushering in a palpable dampness that envelops the region in natural vigor. As the air feels heavier, it perfectly complements the picturesque landscapes, making September a key month in Darjeeling's climatic narrative.

September Average Humidity in Darjiling

This chart illustrates the average monthly humidity levels in Darjiling, 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 Darjiling is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec59%61%38%34%60%83%93%93%93%88%80%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Darjiling

As September rolls into Darjiling, the UV Index remains notably high at 12, categorizing it as extreme, with a burn time of just 10 minutes. This drop from August’s peak of 14 reflects a slight decrease in solar intensity as the region transitions towards autumn. Despite this minor reduction, outdoor enthusiasts should remain cautious, as the UV levels still warrant protective measures. The trends through the year show a steady rise from January’s moderate levels, peaking in the summer months, before tapering off into the high ranges of late autumn. For comprehensive insights on UV exposure, check out the detailed information available at Darjiling UV Index.

Maximum UV Index Levels in Darjiling for September

The chart shows the monthly maximum UV Index (UVI) for Darjiling 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 Darjiling typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5791112141414121086
Data source: Darjiling 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 Darjiling

September in Darjeeling offers a delightful transition from the rainy season, with 249 hours of sunshine illuminating the majestic landscapes. As the monsoon recedes, this month sees a notable increase in sunlight, bridging the gap between the lush, green hills of summer and the crisp autumn days ahead. Notably, September’s sunshine hours follow a seasonal arc that peaks in spring and early summer, showcasing a steady rise from the lows of July and August. With a warm embrace of sunshine and comfortable temperatures, visitors can revel in the vibrant beauty of Darjeeling, making September a charming time to explore its breathtaking vistas and cultural richness.

Monthly Sunshine Duration in Darjiling: September Highlighted

The September sunshine duration represents the total number of hours Darjiling 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.
JanFebMarAprMayJunJulAugSepOctNovDec233h268h317h325h334h295h197h227h249h316h289h288h
Data source: Darjiling September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Darjiling During September

In September, the likelihood of sunny weather in Darjeeling, India, is relatively low at 25%, reflecting the region's transition from the heavy monsoon season that precedes it. This percentage showcases a notable dip in sunshine compared to the earlier months of the year, particularly February with its 66% chance, and even April at 62%. As summer fades, September’s weather begins to shift toward the more overcast and rainy patterns typical of the monsoon, which peaks in the preceding months. However, this slight rise from the dismal summer lows—where chances plummet to as low as 3% in August—offers a glimmer of hope for sun-seekers, signaling a gradual return of clearer skies as October approaches.

Percentage of Sunny Days in September in Darjiling

The chart illustrates the percentage of sunny days in Darjiling 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 Darjiling experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec58%66%56%62%23%12%4%3%25%48%69%69%
Data source: Darjiling September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Darjiling in September

As September arrives in Darjeeling, India, the daylight begins to subtly shift, revealing a rich tapestry of seasonal change. With 12 hours of daylight, this month marks a transition from the peak summer brightness, where sunny days linger at 13 hours, to the shorter days of autumn. Following the vibrant months of May to August, where daylight was abundant and lively, September nurtures a gentle decline, hinting at the cooler months ahead. This reduction is a reminder of nature’s rhythm, as daylight gradually dwindles to 11 hours by October, paving the way for the snug embrace of winter. The interplay between light and shadow in September serves as a beautiful prelude to the transformation that unfolds in the months to come.

Average Daylight Hours in Darjiling for September

The chart illustrates the variation in daylight duration in Darjiling throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 37m11h 13m12h12h 48m13h 28m13h 48m13h 38m13h 3m12h 17m11h 29m10h 48m10h 27m
Data source: Darjiling daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Darjiling

As the month of September unfolds in Darjiling, India, the gentle caress of the wind reveals a remarkable consistency in its rhythm. With an average speed of just 1.0 m/s (2 mph), September mirrors the tranquil conditions of the preceding summer months. This slight downturn in wind speed, a continuation of the calmer patterns established since July, is typical of the region as it transitions towards autumn. Throughout the year, wind speeds have remained relatively steady, fluctuating modestly between 1.0 m/s and 1.2 m/s. The overall trend points to a serene atmosphere, encouraging both contemplation and exploration amidst the breathtaking landscapes that surround this enchanting hill station.

Average September Wind Speed in Darjiling

The chart displays monthly wind speed patterns in Darjiling, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.11.11.21.21.11.11.01.01.0 m/s1.01.11.1
Data source: Darjiling September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Darjiling Compares to Other Months

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

September and January present striking contrasts in weather conditions. In September, temperatures range from a mild 17°C (63°F) to a warm 30°C (86°F), accompanied by high humidity at 93% and significant rainfall of 408 mm over 28 days. In sharp contrast, January experiences much cooler temperatures, with a minimum of 2°C (35°F) and an average of 10°C (51°F), peaking at 23°C (73°F). The month is notably drier, with only 32 mm of precipitation across just 7 days and a humidity level of 59%. For more detailed insights on January weather in this region, you can visit Darjiling weather in January.

In comparing the weather of September and February, it's clear that September offers a significantly warmer experience, with average temperatures ranging from a mild 23°C (73°F) to a high of 30°C (86°F), contrasted with February's much cooler averages, which peak at 23°C (74°F) during the day but can drop to a chilly 1°C (33°F) at night. Additionally, September is characterized by high humidity levels at 93% and considerable precipitation, receiving 408 mm (16.1 in) of rain over 28 days, whereas February sees notably less rainfall at 77 mm (3.0 in) spread over just 12 days, along with a more comfortable humidity level of 61%. For those interested in the specifics of February weather, more details can be found at Darjiling weather in February.

When comparing the weather in September and March, there's a stark contrast in temperature and humidity. September boasts a warm average temperature of 23°C (73°F), with highs reaching up to 30°C (86°F), but it also comes with high humidity at 93% and significant rainfall totaling 408 mm (16.1 in) across 28 days. In contrast, March offers a more moderate climate with an average temperature of 16°C (61°F) and a maximum of 29°C (84°F), but much lower humidity at 38% and less precipitation of 190 mm (7.5 in) over 22 days. For more detailed insights, you can check Darjiling weather in March.

When comparing the weather in September and April, notable differences emerge in temperature and humidity levels. In September, temperatures range from a minimum of 17°C (63°F) to a maximum of 30°C (86°F), with an average of 23°C (73°F). This month experiences high humidity, peaking at 93%, and significant precipitation, totaling 408 mm (16.1 in) over 28 days. In contrast, April features a cooler climate with temperatures ranging from a low of 8°C (46°F) to a high of 29°C (84°F), averaging 19°C (66°F). It has much lower humidity at 34% and less rainfall, accumulating 275 mm (10.8 in) across 24 days. For a closer look at the specifics of April weather, visit Darjiling weather in April.

September and May present distinctly different weather patterns, even though they share the same maximum temperature of 30°C (86°F). In September, temperatures range from a minimum of 17°C (63°F) to an average of 23°C (73°F), alongside significantly higher humidity levels at 93%. This month is also characterized by frequent rainfall, accumulating about 408 mm (16.1 in) over 28 days. In contrast, May is cooler, with temperatures varying from a minimum of 13°C (55°F) to an average of 21°C (70°F), and less humid conditions at 60%. Precipitation in May is slightly lower at 385 mm (15.2 in), spread over 29 days. For more insights into weather during this time, visit Darjiling weather in May.

When comparing the weather in September and June, both months exhibit similar temperature ranges, with minimums around 17°C (63°F), average temperatures of about 23°C (73°F), and maximums peaking at approximately 30°C (86°F in September and 87°F in June). However, September is significantly wetter, receiving 408 mm (16.1 in) of rainfall over 28 days, while June experiences even heavier precipitation of 602 mm (23.7 in) spread across 29 days. Additionally, September has a higher humidity level at 93% compared to June's 83%. For more specific details on June weather, you can visit Darjiling weather in June.

When comparing the weather in September and July, we notice some intriguing differences and similarities. Both months boast an average temperature of around 23°C (73°F) and high humidity levels at 93%. However, July tends to be slightly warmer, with minimum temperatures reaching 20°C (67°F) and maximums of 31°C (88°F), compared to September's min of 17°C (63°F) and max of 30°C (86°F). The precipitation levels also vary significantly; July experiences a much higher rainfall of 991 mm (39.0 in) over 30 days, while September sees 408 mm (16.1 in) across 28 days. For more detailed insights into the July weather conditions, you can visit Darjiling weather in July.

In comparing the weather between September and August, both months exhibit similarly mild average temperatures, with September seeing a minimum of 17°C and a maximum of 30°C, while August has slightly higher minimum and maximum temperatures of 20°C and 31°C, respectively. However, September experiences less rainfall, totaling 408 mm over 28 days, compared to August's more significant 574 mm over 30 days. Both months share high humidity levels at 93%, but the decrease in precipitation in September indicates a transition toward a drier climate after August's wetter conditions. For more details about August weather, visit Darjiling weather in August.

September in Darjeeling features warmer temperatures, with a minimum of 17°C (63°F) and an average of 23°C (73°F), but it also brings significant rainfall, totaling 408 mm (16.1 in) over 28 days and high humidity at 93%. In contrast, October cools down, presenting a minimum of 10°C (51°F) and an average of 20°C (68°F). The month sees a notable reduction in precipitation, with only 205 mm (8.1 in) over 20 days and humidity decreasing to 88%. For more details on October's weather, you can visit Darjiling weather in October.

September and November present distinctly different weather patterns. In September, temperatures range from a minimum of 17°C (63°F) to a maximum of 30°C (86°F), averaging around 23°C (73°F). The month is characterized by high humidity at 93% and substantial rainfall of 408 mm (16.1 in) over 28 days. In contrast, November sees a notable drop in temperatures, with a minimum of 6°C (43°F) and an average of 15°C (60°F), peaking at 28°C (82°F). Rainfall is significantly lower in November, with only 26 mm (1.0 in) over 7 days and humidity levels decreasing to 80%. These changes highlight the transition from the wet and warm late summer to the cooler and drier autumn conditions. For more details, refer to Darjiling weather in November.

In September, the weather is characterized by warm temperatures ranging from a minimum of 17°C (63°F) to a maximum of 30°C (86°F), with an average of 23°C (73°F). This month is also marked by significant rainfall, totaling 408 mm (16.1 in) over 28 days, and high humidity levels of 93%. In contrast, December brings a much cooler climate, with temperatures dropping to a minimum of 3°C (37°F) and averaging at 12°C (53°F), peaking at 23°C (74°F). Rainfall is minimal during this month, with only 20 mm (0.8 in) over just 4 days and a lower humidity of 75%. For a closer look at the weather specifics in December, you can visit Darjiling weather in December.

Compare Darjiling's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Darjiling

As September unfolds in Darjiling, the weather shifts dramatically from the previous months, showcasing a notable blend of warmth and moisture. With average temperatures hovering around a comfortable 23°C (73°F), the maximum daytime heat can reach a steamy 30°C (86°F), but it is the near-constant humidity of 93% that truly sets this month apart. Rainfall is at its peak, with over 408 mm (16.1 in) falling across nearly every day, creating a lush and vibrant landscape. As you navigate through the misty hills, you may find that the frequent showers contribute to a refreshing ambiance, unlike the drier spell of summer or the cooler touch of autumn that follows. For a deeper dive into the full spectrum of Darjiling's weather, check out Darjiling Climate.