Last updated: October 30, 2025
In September, Karnal, India experiences a warm climate marked by an average temperature of 29°C (84°F), reaching a maximum of 37°C (98°F) during peak days. The onset of the monsoon brings significant precipitation, totaling 143 mm (5.6 in) over 14 days, contributing to an 87% humidity level that envelops the region. This combination of heat and moisture creates a lush atmosphere, making September a unique transition month as the summer heat gradually yields to the refreshing influence of the upcoming autumn.
In September, Karnal experiences a pleasant shift as summer gradually gives way to autumn. The average temperature hovers around 29°C (84°F), with nightly lows around 22°C (72°F) and daytime highs reaching 37°C (98°F). This month marks a slight decrease in temperature compared to the sweltering summer months of May and June, where extremes often peak past 45°C (113°F). The humidity begins to ease, making outdoor activities more enjoyable while still retaining a warm disposition. As the month progresses, residents can anticipate clearer skies and milder days, setting the stage for a comfortable transition into October's cooler embrace.
September in Karnal, India, typically experiences a substantial precipitation of 143 mm (5.6 in) over the span of 14 days, marking a notable transition from the heavy rains of July and August. This month often sees a gradual tapering off of the monsoon, yet it still captures a significant portion of the annual rainfall. As the wettest months recede, September’s rainfall helps to sustain the lush landscape, contributing to the region’s agricultural richness. The consistency of rainfall in September, combined with the lingering warmth, sets the tone for the drier months ahead, making it a pivotal time for farmers and the ecosystem alike.
In Karnal, India, the transition from the sweltering heat of summer to the onset of autumn is marked by a notable spike in humidity during September. After a gradual rise from 33% in March to a peak of 89% in August, the humidity remains high at 87% in September, reflecting the lingering monsoon effects. This significant moisture in the air is a contrast to the dry conditions experienced earlier in the year, with levels plummeting to 24% in April. The trend suggests that as the year progresses towards the cooler months, humidity levels will gradually decline, but September still holds onto the monsoon's embrace, creating a humid atmosphere that hints at the lush landscapes fostered by the rainy season.
As summer transitions into early autumn, September in Karnal, India, showcases a UV Index of 9, indicating a very high exposure risk with a burn time of just 15 minutes. This significant UV index signals a continuation of the intense sun experienced in the preceding months, particularly when August also recorded a peak of 11. While there is a slight decrease as we move from the extreme UV levels of July and August, precautions remain crucial to shield against harmful rays. Following September, October will bring the UV index down slightly to 8, yet the need for sun protection persists. For detailed information and to get ready for your outdoor plans, check out the Karnal UV Index.
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September in Karnal, India, shines with a generous 310 hours of sunlight, contributing to the region's warm transition into autumn. This month marks a slight dip from the vibrant peak of May, where 367 hours basked the landscape in brightness. However, it retains a commendable sum that aligns closely with the hours seen in October, suggesting a comforting consistency in daylight as the year inches toward its end. Overall, the gradual decline in sunlight from the scorching summer months indicates a shift towards cooler climes, yet still offers ample opportunities for outdoor enjoyment and the splendor of the changing seasons.
As September rolls into Karnal, the likelihood of sunny weather dips to 47%, marking a noticeable decrease from the sunnier months of July and August. This trend continues the pattern seen in the late monsoon season, where overcast skies and humidity often take precedence. Interestingly, September stands out as a transitional period, sandwiched between the intense summer months and the clearer days of October, which boasts a strong 89% chance of sunshine. While it may not be the sunniest time of year, September still offers glimpses of bright days, perfect for those who enjoy the refreshing change in the weather before the autumn sets in.
As September unfolds in Karnal, India, the daylight duration gracefully transitions to 12 hours, marking a gentle decline from the sun-drenched peak of 14 hours experienced in June. This gradual reduction signals the onset of autumn, where daylight begins to retreat after the vibrant summers. Following September, October continues this trend with 11 hours of daylight, heralding shorter days as the year progresses. Notably, the pattern reveals a seasonal rhythm: from the 10 hours of daylight in January and December to the 14 hours at the height of summer, daylight in Karnal ebbs and flows throughout the year, creating a tapestry of light that reflects the changing seasons.
As summer fades into fall, September winds in Karnal, India offer a gentle transition, with average wind speeds dipping to 2.0 m/s (5 mph). This marks the seasonal low following a gradual decline from the more robust breezes of spring, where speeds reached a peak of 3.2 m/s (7 mph) in March and April. The shift into September reflects a broader trend of diminishing wind activity as the heat of summer recedes and the monsoon season comes to a close. With each passing month, the winds whisper of change, creating a serene atmosphere that invites reflection and anticipation for the cooler months ahead. As conditions stabilize, the temperate breezes of fall soon embrace the landscape, fostering a calm yet invigorating environment for all.
Weather in Karnal varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Karnal, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather. In September, the temperatures soar, with minimums around 22°C (72°F) and maximums reaching up to 37°C (98°F), averaging a steamy 29°C (84°F). The month is characterized by high humidity at 87% and significant rainfall, totaling 143 mm (5.6 in) over 14 days. In contrast, January offers a much cooler climate, with temperatures ranging from a chilly minimum of 3°C (38°F) to a maximum of 24°C (76°F), averaging only 13°C (55°F). Precipitation is significantly lower at 47 mm (1.9 in) over just 4 days, and the humidity drops to 53%. For a deeper look at the January weather in Karnal, you can visit Karnal weather in January.
September weather is characterized by significantly warmer temperatures, with minimums around 22°C (72°F) and maximums reaching up to 37°C (98°F), creating hot and humid conditions with an average of 29°C (84°F). In contrast, February offers much cooler temperatures, ranging from a minimum of 6°C (43°F) to a maximum of 31°C (88°F), with a more comfortable average of 16°C (62°F). Precipitation is notably higher in September, with 143 mm (5.6 in) falling over 14 days compared to February's 44 mm (1.8 in) over just 4 days. Additionally, February experiences much lower humidity at 46%, making it feel much drier than the humid conditions of September. For more details about February weather, visit Karnal weather in February.
In September, the weather is notably warmer and more humid, with temperatures ranging from a minimum of 22°C (72°F) to an average of 29°C (84°F), peaking at 37°C (98°F). This month experiences significant rainfall, accumulating 143 mm (5.6 in) over about 14 days, and maintaining a high humidity level of 87%. In contrast, March offers a much cooler atmosphere, with temperatures starting at a minimum of 8°C (47°F) and averaging 22°C (72°F), while maximum temperatures soar to 38°C (101°F). Moreover, March is significantly drier, receiving only 34 mm (1.3 in) of precipitation over just 4 days, and the humidity drops to a comfortable 33%. For a detailed look at March weather specifically in Karnal, you can visit Karnal weather in March.
September and April exhibit distinct weather patterns that cater to different preferences. In September, temperatures range from a minimum of 22°C (72°F) to a scorching maximum of 37°C (98°F), with an average of 29°C (84°F). The month is marked by significant rainfall, totaling 143 mm (5.6 in) over 14 days, and high humidity at 87%, creating a tropical atmosphere. In contrast, April experiences a minimum temperature of 13°C (56°F) but can soar with a maximum reaching 44°C (111°F), while maintaining the same average of 29°C (84°F). Precipitation is scarce, measuring only 25 mm (1.0 in) over 6 days and accompanied by a much lower humidity of 24%. These differences result in April being much drier and hotter than the humid and wetter September. For more details on April weather, you can refer to Karnal weather in April.
September and May present contrasting weather conditions. In September, temperatures range from a minimum of 22°C (72°F) to a maximum of 37°C (98°F), with an average temperature of 29°C (84°F). This month is characterized by high humidity levels at 87% and considerable rainfall, receiving about 143 mm (5.6 in) over 14 days. In stark contrast, May experiences hotter conditions with temperatures ranging from a minimum of 20°C (69°F) to an extreme maximum of 45°C (113°F) and an average temperature of 32°C (89°F). Precipitation is significantly lower in May, only amounting to 27 mm (1.1 in) over 8 days, and the humidity is much more comfortable at 27%. For more detailed weather insights, check out Karnal weather in May.
September and June exhibit notable differences in weather patterns. September boasts a more moderate temperature range, with minimums around 22°C (72°F) and maximums reaching up to 37°C (98°F), while maintaining an average of 29°C (84°F). It also experiences higher humidity at 87% and increased precipitation of 143 mm (5.6 in) over 14 days, making the month feel quite sultry. In contrast, June is significantly hotter, with average temperatures peaking at 32°C (90°F) and maximums hitting as high as 45°C (113°F). Additionally, June is relatively drier, recording only 64 mm (2.5 in) of rain across 9 days and exhibiting much lower humidity at 31%. For a deeper dive into the specifics of June weather, you can visit Karnal weather in June.
In July, the weather is generally hotter, with minimum temperatures around 24°C (75°F) and maximum temperatures reaching up to 42°C (107°F), while September experiences slightly cooler temperatures with a minimum of 22°C (72°F) and a maximum of 37°C (98°F). July also sees significantly higher precipitation levels at 256 mm (10.1 in) over 23 rainy days compared to September's 143 mm (5.6 in) spread across 14 days. Additionally, the humidity in September is higher at 87%, offering a more sultry atmosphere compared to July's 70%. For more detailed insights, you can refer to Karnal weather in July.
In comparison to August, September typically experiences slightly lower temperatures, with a minimum of 22°C (72°F) compared to August's 24°C (76°F), and an average of 29°C (84°F) versus 30°C (86°F). While both months can reach maximum temperatures of 36°C (98°F) to 37°C (98°F), September tends to see a drop in humidity to around 87%, down from August's higher level of 89%. Additionally, September has less precipitation overall, with 143 mm (5.6 in) falling over 14 days, compared to 173 mm (6.8 in) over 23 days in August, making September relatively drier. For a detailed look at August weather, you can refer to Karnal weather in August.
September and October present a notable contrast in weather patterns. September boasts a warmer climate, with average temperatures ranging from 22°C (72°F) at night to a sweltering 37°C (98°F) during the day, accompanied by high humidity at 87%. Additionally, the month experiences significant rainfall, totaling 143 mm (5.6 in) over 14 days, creating a humid environment. In contrast, October brings a significant drop in temperatures, averaging 25°C (77°F), with nighttime lows of 13°C (56°F) and daytime highs of 35°C (96°F). The month is characterized by much drier conditions, with only 20 mm (0.8 in) of precipitation over just 2 days and humidity levels slightly lower at 84%. For more details, check Karnal weather in October.
September and November present distinctly different weather patterns. In September, temperatures soar with a minimum of 22°C (72°F) and an average reaching up to 29°C (84°F), occasionally peaking at 37°C (98°F). This month also experiences significant rainfall, with 143 mm (5.6 in) of precipitation over approximately 14 days, resulting in high humidity at 87%. In contrast, November brings a much cooler climate, with temperatures dipping to a minimum of 9°C (49°F) and averaging 19°C (67°F), only rising to a maximum of 31°C (88°F). Rainfall is minimal in November, totaling just 13 mm (0.5 in) over a single day, and humidity decreases slightly to 81%. For more detailed information, you can check Karnal weather in November.
September and December present stark contrasts in weather conditions. In September, temperatures soar with a minimum of 22°C (72°F) and an average of 29°C (84°F), reaching a sweltering maximum of 37°C (98°F). The month is also marked by significant rainfall, totaling 143 mm (5.6 in) over approximately 14 days, and high humidity at 87%. Conversely, December offers a much cooler climate, with temperatures dropping to a minimum of 4°C (39°F) and an average of 14°C (57°F), peaking at 26°C (79°F). This month sees minimal precipitation at just 14 mm (0.5 in) over only 1 day, alongside a more comfortable humidity level of 76%. For more details on how December weather unfolds in Karnal, visit Karnal weather in December.
As September unfolds in Karnal, the sweltering heat of summer begins to give way to more moderate temperatures, creating a refreshing shift in the weather. With an average temperature that gently hovers around 29°C (84°F), the days are notably warmer than those in the cooler months, yet significantly more pleasant than the scorching highs of earlier summer. The arrival of the monsoon makes its mark, bringing a substantial 143 mm of rainfall over about 14 days, which contributes to the heightened humidity of approximately 87%. This lush and wet atmosphere transforms the landscape, making September a unique transition period where the lingering warmth meets the rejuvenating effects of rain. For a deeper understanding of what to expect throughout the year, visit Karnal Climate.