Last updated: August 21, 2025
September in Siliguri, India, is characterized by warm temperatures and high humidity, providing a tropical atmosphere for residents and visitors alike. The maximum temperature can reach up to 36°C (97°F), with an average of 28°C (82°F) and a comfortable minimum of 22°C (72°F). However, the month is also marked by significant rainfall, with a staggering 424 mm (16.7 in) of precipitation over approximately 26 days, creating a lush, verdant landscape. The sustained humidity level of 93% adds to the intense weather conditions, making September a captivating yet challenging month in this vibrant city.
In September, Siliguri experiences a warm yet comfortable climate, with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 36°C (97°F). The average temperature stabilizes around 28°C (82°F), keeping the city balmy as the heavy rains of the monsoon begin to taper off. This transitional month makes for a pleasant environment, with cooler nights that provide relief from the heat of summer, creating a perfect backdrop for exploring the lush landscapes and vibrant culture of the region. As the season shifts into autumn, the temperatures drop significantly in the following months, foreshadowing a refreshing change and inviting visitors to enjoy the beauty of Siliguri in its later months.
In September, Siliguri experiences significant rainfall, with 424 mm (16.7 in) of precipitation spread over 26 days. This marks a notable decline from the preceding months, particularly July, which sees an astounding 951 mm (37.5 in), yet it still retains its position as one of the wetter months of the year. As the monsoon season gradually transitions into autumn, the rainfall begins to taper off markedly from August's 568 mm (22.4 in), showcasing a characteristic trend of diminishing precipitation that sets the stage for drier months ahead. This shift not only reflects the changing seasons but also adds a lush vibrancy to the landscape, making September a critical transitional period in Siliguri's climate.
In Siliguri, India, September marks a continuation of the heightened humidity levels observed in the preceding months, with a striking 93% humidity. This level is consistent with both July and August, which also recorded peak humidity, reflecting the region's monsoon season in full swing. Prior to this humid stretch, April and May showcased significantly lower humidity, hovering around 34% to 60%, which indicates a notable transition as the climate shifts towards the monsoon months. Following September, humidity begins to gradually decrease, yet remains elevated with 88% in October and 80% in November. This trend highlights the seasonal variations in Siliguri, where the heavy rains dramatically influence humidity levels, creating a lush, vibrant environment typical of the region's climatic patterns.
As September unfolds in Siliguri, India, the UV Index remains at an extreme level of 11, indicating that sun exposure can be particularly hazardous. With a burn time of just 10 minutes, it’s essential for residents and visitors alike to take precautionary measures. This month marks a transition, as the UV Index starts to slightly decline from July and August's peak of 13, yet it still necessitates vigilance. Notably, the region experiences consistent high UV readings during the summer months, with values soaring from high to extreme, prompting increased awareness about sun safety. To learn more about the UV trends and how to protect yourself, visit Siliguri UV Index.
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In September, Siliguri basks in a generous 256 hours of sunshine, continuing a trend of dwindle from the peak summer months. While this marks a slight dip compared to the vibrant 334 hours enjoyed in May, it still offers ample opportunities to embrace the outdoors before the cooler days of autumn set in. Following a summer lull in July with its lowest sunshine at 210 hours, September signals a gradual increase from the rainy season, hinting at a transition towards a more temperate climate. As the year progresses, Siliguri experiences a steady rise in daylight hours, peaking again in October with 308 hours of sunlight, making it a splendid time for both locals and visitors to savor the lingering warmth.
In Siliguri, India, the likelihood of sunny weather dramatically shifts as the year progresses. From January to April, sunshine is relatively frequent, with chances hovering between 65% and 78%. However, this sun-drenched trend takes a nosedive during the summer months, plummeting to a mere 17% in June and an alarming 5% in July, as the region experiences heavy monsoon rains. August offers little relief, with only a 2% probability of sunshine. September witnesses a slight recovery to 28%, indicative of a transition from the drenched monsoon season, but the chances of bright sunny days still remain modest. As autumn approaches in October, the forecast improves significantly to 53%, setting the stage for a sunnier outlook in the months ahead. This seasonal ebb and flow highlights the dynamic weather patterns of Siliguri, making early autumn a time when sunshine gradually re-emerges.
In Siliguri, India, September marks a subtle transition as daylight begins to wane after the vibrant summer months. The city enjoys about 12 hours of daylight, a decrease from the maximum of 13 hours seen during the peak of the monsoon in June, July, and August. This trend of gradually diminishing daylight continues into October, where it dips further to 11 hours, setting the stage for the shorter days of the coming winter months. Overall, September serves as a bridge, offering a balance between the lingering brightness of summer and the imminent retreat of sunlight characteristic of the fall season.
As the summer heat starts to wane, September in Siliguri brings a gentle breeze with an average wind speed of 1.3 m/s (3 mph), mirroring the calm of the previous month. This slight drop from the peak of the warmer months indicates a transition towards the cooler fall season, reinforcing the area's characteristic mild weather. From January to July, wind speeds showed a gradual increase, peaking in April at 1.8 m/s (4 mph), before tapering off. August and September's stable winds at 1.3 m/s signal a period of tranquility, fostering a serene atmosphere that invites both residents and visitors to enjoy the lush greenery and vibrant scenery as nature prepares for the upcoming seasonal changes.
Weather in Siliguri varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Siliguri, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is characterized by warm temperatures, with a minimum of 22°C (72°F) and an average of 28°C (82°F), peaking at a scorching 36°C (97°F). The month is quite rainy, receiving 424 mm (16.7 in) of precipitation over 26 days, and humidity is notably high at 93%. In contrast, January brings a significant drop in temperatures, with a minimum of 6°C (43°F) and an average of 16°C (61°F), reaching a maximum of 28°C (83°F). This month is much drier, with only 17 mm (0.7 in) of precipitation falling over just 3 days, and humidity levels lower at 59%. For more detailed information on January weather, you can visit Siliguri weather in January.
September and February exhibit strikingly different weather patterns. In September, temperatures range from a minimum of 22°C (72°F) to a scorching maximum of 36°C (97°F), coupled with high humidity at 93%. The month is characterized by significant rainfall, with 424 mm (16.7 in) of precipitation over 26 days, making it one of the wettest months of the year. In contrast, February presents a much cooler climate, with temperatures ranging from a low of 6°C (42°F) to a comfortable average of 18°C (65°F) and a high of 29°C (85°F). The precipitation is minimal, at just 23 mm (0.9 in) over 6 days, and humidity drops to a more pleasant 61%. For more detailed insights on February's weather, visit Siliguri weather in February.
In September, the weather is characterized by high temperatures ranging from a minimum of 22°C (72°F) to a maximum of 36°C (97°F), with an average of 28°C (82°F). The month experiences significant rainfall, with precipitation totaling 424 mm (16.7 in) over 26 days, contributing to a humid atmosphere with levels reaching 93%.
In contrast, March offers a much milder climate, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 35°C (96°F) and an average temperature of 23°C (73°F). Precipitation is minimal at 45 mm (1.8 in) over just 8 days, resulting in much lower humidity levels at 38%. The difference in weather between these two months highlights the transition from the wet and humid conditions of September to the drier and more comfortable climate of March. For more detailed information, check out Siliguri weather in March.
In September, the weather is significantly warmer and more humid, with minimum temperatures around 22°C (72°F) and average highs reaching up to 36°C (97°F). This month experiences substantial rainfall, totaling 424 mm (16.7 in) across approximately 26 days, resulting in humidity levels soaring to 93%. In contrast, April offers a milder climate, characterized by minimum temperatures of 15°C (58°F) and average highs of 36°C (98°F). Precipitation in April is notably lower at 106 mm (4.2 in), occurring over 15 days, and the humidity is much more comfortable at 34%. For more detailed information, you can visit Siliguri weather in April.
September and May showcase notable differences in weather patterns. In September, temperatures range from a minimum of 22°C (72°F) to a maximum of 36°C (97°F), with an average of 28°C (82°F). The month is characterized by high humidity at 93% and significant rainfall, totaling 424 mm (16.7 in) over 26 days. In contrast, May typically has slightly cooler temperatures, with a minimum of 19°C (66°F) and a maximum of 37°C (99°F), averaging 26°C (80°F). Additionally, May experiences less rainfall, accumulating 214 mm (8.4 in) over 25 days, along with a markedly lower humidity level of 60%. For more detailed insights, you can refer to Siliguri weather in May.
In comparing the weather of September and June, both months share similar temperature ranges, with minimums around 22°C (72°F) and averages at 28°C (82°F), peaking at 36°C (97°F) in September and slightly higher at 36°C (98°F) in June. However, June experiences higher precipitation levels, with 502 mm (19.8 in) over 27 days compared to September's 424 mm (16.7 in) over 26 days, making June the wetter month. Additionally, the humidity in September is notably higher at 93%, while June maintains a slightly lower humidity of 83%. For more detailed insights, you can visit Siliguri weather in June.
When comparing the weather in September and July, it is evident that both months experience high temperatures, with July slightly warmer at an average of 28°C (82°F) and a maximum of 37°C (98°F) compared to September's average of 28°C (82°F) and a maximum of 36°C (97°F). However, July sees significantly higher precipitation, with 951 mm (37.5 in) over 30 days, while September has 424 mm (16.7 in) spread across 26 days. Both months maintain a consistent humidity level of 93%, creating a tropical feel. For more detailed insights on July weather, you can refer to Siliguri weather in July.
Comparing the weather between September and August, we see that September exhibits slightly cooler temperatures, with minimums around 22°C (72°F) and maximums reaching 36°C (97°F), compared to August's minimum of 24°C (76°F) and a maximum of 37°C (98°F). Both months experience high humidity levels of 93%, though September sees a decrease in total precipitation, with 424 mm (16.7 in) over 26 days, versus August's 568 mm (22.4 in) over 30 days. For more details on the specific weather conditions in August, you can refer to Siliguri weather in August.
In September, the weather is notably warmer, with average temperatures reaching 28°C (82°F) and highs peaking at 36°C (97°F). This month also experiences significant rainfall, totaling 424 mm (16.7 in) over 26 days, coupled with high humidity levels of 93%. In contrast, October brings a noticeable cool down, featuring an average temperature of 25°C (78°F) and a maximum of 35°C (96°F). Rainfall decreases sharply to 161 mm (6.3 in) over just 13 days, resulting in a more comfortable humidity level at 88%. For a detailed look at the weather patterns, check out Siliguri weather in October.
September and November present a stark contrast in weather conditions. September boasts high temperatures ranging from a minimum of 22°C (72°F) to a scorching maximum of 36°C (97°F), accompanied by an average temperature of 28°C (82°F). The month is also characterized by high humidity at 93% and significant rainfall, totaling 424 mm (16.7 in) across 26 days. In contrast, November experiences cooler temperatures with a minimum of 11°C (52°F), an average of 21°C (70°F), and a maximum of 33°C (92°F). Additionally, rainfall is scarce in November, with only 8 mm (0.3 in) over just 2 days, and the humidity lowers to 80%. For more details on the weather in November, you can check Siliguri weather in November.
The weather in September is characterized by much higher temperatures and humidity levels compared to December. In September, temperatures range from a minimal 22°C (72°F) to a sweltering maximum of 36°C (97°F), with an average of 28°C (82°F). The month also experiences significant rainfall, with precipitation totaling 424 mm (16.7 in) over 26 days, leading to a high humidity of 93%. In contrast, December brings a much cooler climate, with temperatures fluctuating between 7°C (45°F) and 29°C (85°F), averaging 17°C (63°F). Precipitation drops sharply to just 11 mm (0.4 in) across 4 days, and humidity decreases to 75%. For more detailed information, you can check Siliguri weather in December.
As the monsoon season transitions, September in Siliguri brings a distinct shift in weather compared to other months. With high humidity levels reaching around 93%, the air is often thick and heavy, leading to a significant increase in rainfall, totaling about 424 mm over 26 days. Unlike the intense heat of the summer, temperatures during this month hover around a more moderate average of 28°C, with peaks hitting up to 36°C. This combination of warmth and recurring showers creates a lush, vibrant landscape, contrasting sharply with the drier conditions experienced earlier in the year. For a detailed overview of what to expect, visit Siliguri Climate.