September Weather in Sonipat, India

Last updated: August 21, 2025

September in Sonipat, India ushers in a blend of warmth and moisture, characterized by a maximum temperature reaching a sizzling 38°C (100°F) and an average of 29°C (85°F). The evenings cool down slightly, with a minimum temperature of around 20°C (69°F). This month experiences significant precipitation, totaling 129 mm (5.1 in) across approximately 13 days, contributing to a notably high humidity level of 87%. As the monsoon lingers, the lush surroundings and vibrant atmosphere make September an intriguing time to experience the unique climate of Sonipat.

September Temperature in Sonipat

In September, Sonipat experiences a pleasant transition as summer gives way to the cooler autumn months. With minimum temperatures around 20°C (69°F) and average highs reaching 38°C (100°F), the weather starts to become more bearable compared to the sweltering summer heat. As the month progresses, you can expect a comfortable average of 29°C (85°F), making it an ideal time for outdoor activities. This gradual cooling trend sets the stage for the refreshing October, highlighting September as a pivotal moment in Sonipat's climatic shift. The lingering warmth combined with the onset of mild evenings creates a perfect backdrop for enjoying the outdoors before the temperatures dip further in the coming months.

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

The chart illustrates September temperature patterns in Sonipat, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sonipat, 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).
JanFebMarAprMayJunJulAugSepOctNovDec556272848990888684786757
Data source: Temperature data for Sonipat generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Sonipat

September marks a significant shift in Sonipat's climate, as the region experiences a notable dip in precipitation compared to the preceding months. With 129 mm (5.1 in) of rain distributed over 13 days, it continues the monsoon's tenure, albeit at a reduced intensity from the peak of the season. This decrease follows the heavy downpours of July and August, which delivered 204 mm (8.0 in) and 169 mm (6.6 in) respectively. Despite this decline, September retains a crucial role in replenishing the local ecosystem and maintaining soil moisture, setting the stage for the drier months of October and November that follow with significantly lower precipitation levels. The gradual tapering of rainfall highlights the transition from the lush greenery of the monsoon to the more arid conditions characteristic of autumn in this vibrant region.

September Precipitation Trends in Sonipat

The chart displays monthly precipitation patterns in Sonipat, 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 Sonipat, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec40303417315320416912917119
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sonipat

As the summer heat transitions into the monsoon season, September in Sonipat, India, brings a significant rise in humidity, hovering at a notable 87%. This month follows the peak of August, characterized by 89% humidity, indicating the continued influence of monsoonal rains. Interestingly, this spike in moisture contrasts sharply with the drier months at the beginning of the year, where humidity levels dipped as low as 24% in April. Such trends reveal a clear seasonal pattern, with humidity soaring during the monsoon months of July through September, before gradually tapering off in the subsequent fall and winter months, starting with October at 84%. This fluctuation not only affects the weather but also shapes the daily lives of the residents, who adapt to the increased moisture in the air throughout the late summer and early autumn seasons.

September Average Humidity in Sonipat

This chart illustrates the average monthly humidity levels in Sonipat, 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 Sonipat is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec53%46%33%24%27%31%70%89%87%84%81%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sonipat

In September, Sonipat experiences a UV Index of 9, indicating a very high level of UV radiation. With a burn time of just 15 minutes, it's crucial for residents and visitors to take necessary precautions when outdoors. After a summer of extreme UV levels in July and August, the index slightly decreases, yet remains formidable, reflecting the lingering intensity of the sun as the monsoon season recedes. Notably, this trend highlights a gradual decline in UV levels as autumn approaches, paving the way for the October index to drop further to an 8. For those planning outdoor activities, checking the UV Index is essential—stay informed and safe with updates at Sonipat UV Index.

Maximum UV Index Levels in Sonipat for September

The chart shows the monthly maximum UV Index (UVI) for Sonipat 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 Sonipat typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec56910101011119854
Data source: Sonipat 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 Sonipat

As summer transitions to autumn, September in Sonipat embraces a delightful balance of sunlight, with 309 hours of sunshine beaming down. This month may not boast the highest tally, but it reflects a graceful shift from the sun-drenched peak of May, which holds the record at 365 hours. The gradual decline in sunlight hours from the exuberance of summer is clear, as the region gradually prepares for its cooler months. Notably, September's sunshine continues to outshine the shorter days of November and December, maintaining a warm and inviting atmosphere. With each day, Sonipat showcases a radiant tapestry of light, hinting at the beauty of the changing seasons.

Monthly Sunshine Duration in Sonipat: September Highlighted

The September sunshine duration represents the total number of hours Sonipat 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.
JanFebMarAprMayJunJulAugSepOctNovDec226h276h334h344h365h357h335h323h309h318h284h277h
Data source: Sonipat September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sonipat During September

As September rolls into Sonipat, the likelihood of experiencing sunny weather dips significantly, landing at 48%—a notable decline compared to the sun-drenched months preceding it. Embracing the tail end of the monsoon season, this transitional month sees a stark contrast to the higher probabilities of sunshine in the earlier months, such as January and February, which boast chances well over 70%. The trend reveals a steady erosion of sunny days leading into the rainy season, with July and August experiencing notably lower sun exposure at 33% and 44%, respectively. As the clouds begin to disperse into October, however, residents can look forward to a remarkable rebound in sunny weather, climbing back to a promising 89%—a reminder that brighter days are just around the corner.

Percentage of Sunny Days in September in Sonipat

The chart illustrates the percentage of sunny days in Sonipat 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 Sonipat experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec74%84%84%80%69%76%33%44%48%89%88%73%
Data source: Sonipat September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sonipat in September

As summer transitions to autumn in Sonipat, India, September marks a gentle decline in daylight hours, with an average of 12 hours of sunlight. This signals a shift following the peak summer months of May to August, during which the city basked in 13 hours of daylight. The gradual tapering from this lush light leads into the shorter days of October, where daylight dwindles to 11 hours. Notably, the year's light cycle reflects a rhythmic ebb and flow; after enjoying longer daylight in the warmer months, residents can look forward to the soothing embrace of shorter days, perfectly aligning with the season's cooler breezes.

Average Daylight Hours in Sonipat for September

The chart illustrates the variation in daylight duration in Sonipat throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 30m11h 9m11h 59m12h 51m13h 35m13h 56m13h 45m13h 7m12h 18m11h 26m10h 42m10h 19m
Data source: Sonipat daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Sonipat

As September unfolds in Sonipat, India, the wind begins to whisper a gentle melody, maintaining an average speed of 2.3 m/s (5 mph)—a subtle ease that mirrors the onset of autumn. This month’s breezes are a slight dip from the more robust gusts experienced in the preceding spring and early summer months, which showcased speeds of around 2.9 m/s (7 mph). The trend reflects a gradual decline as the year transitions, with the wind cooling down towards the winter months, yet still carrying a soft charm that invites adventure. Just as the leaves begin to change, the September winds blow with a calmness, hinting at the cozy days to come while offering a pleasant reprieve from the heat of summer.

Average September Wind Speed in Sonipat

The chart displays monthly wind speed patterns in Sonipat, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.22.92.92.62.52.52.42.3 m/s2.32.22.1
Data source: Sonipat September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Sonipat Compares to Other Months

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

September and January showcase striking differences in weather patterns. In September, temperatures range from a minimum of 20°C (69°F) to a maximum of 38°C (100°F), with an average temperature of 29°C (85°F). The month is characterized by high humidity at 87% and significant rainfall, totaling 129 mm (5.1 in) over 13 rainy days. In contrast, January features much cooler temperatures, with a minimum of 3°C (37°F) and a maximum of 25°C (78°F), averaging only 13°C (55°F). The precipitation is significantly lower, at just 40 mm (1.6 in) over 3 days, and the humidity drops to a more comfortable 53%. For more insights into January weather, you can check Sonipat weather in January.

September and February present stark contrasts in weather. September boasts warmer temperatures, with a minimum of 20°C (69°F) and an average high of 38°C (100°F), accompanied by high humidity levels at 87%. It can be quite rainy, with 129 mm (5.1 in) of precipitation over 13 days. In contrast, February features much cooler weather, with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 32°C (89°F) and a significantly lower average of 17°C (62°F). Precipitation during this month is minimal, totaling only 30 mm (1.2 in) over just 3 days, and the humidity drops to a more comfortable 46%. For more details, check Sonipat weather in February.

The weather in September and March presents a striking contrast. In September, temperatures range from a minimum of 20°C (69°F) to a scorching maximum of 38°C (100°F), with an average of 29°C (85°F). This month is characterized by high humidity levels of 87% and significant rainfall, totaling 129 mm (5.1 in) over 13 days. In contrast, March enjoys milder temperatures, with a minimum of 8°C (47°F) and an average of 22°C (72°F), while still reaching a similar maximum of 38°C (101°F). The month experiences much less precipitation, only 34 mm (1.4 in) over just 5 days, and a significantly lower humidity of 33%. For more detailed information, check out Sonipat weather in March.

September and April present contrasting weather characteristics. In September, temperatures range from a minimum of 20°C (69°F) to a maximum of 38°C (100°F), with an average temperature of around 29°C (85°F). This month also experiences significant rainfall, with 129 mm (5.1 in) of precipitation over 13 days, contributing to a high humidity level of 87%. In contrast, April boasts a wide range of temperatures, with a minimum of 14°C (58°F) and a maximum that can soar to 43°C (110°F), averaging at 29°C (84°F). However, April is markedly drier, receiving only 17 mm (0.7 in) of rain across just 4 days and maintaining a much lower humidity of 24%. For more details on April's weather, visit Sonipat weather in April.

In comparing the weather of September and May, notable differences emerge. September experiences milder temperatures with an average of 29°C (85°F), while May sees a higher average of 32°C (89°F) but can peak at a staggering 45°C (113°F). Humidity levels are quite distinct as well; September has a high humidity of 87%, contributing to a more humid and uncomfortable atmosphere, whereas May's humidity is much lower at 27%, making it feel relatively drier. Additionally, September records significantly more precipitation, amounting to 129 mm (5.1 in) over 13 rainy days, compared to May's 31 mm (1.2 in) over just 7 days. For a detailed look at the weather conditions in May, you can visit Sonipat weather in May.

When comparing the weather of September and June, it's evident that both months have their unique characteristics. September features a minimum temperature of around 20°C (69°F) and averages 29°C (85°F), with highs reaching up to 38°C (100°F). The month also experiences significant precipitation, totaling 129 mm (5.1 in) spread over 13 days, along with a high humidity level of 87%. In contrast, June typically has slightly warmer temperatures, with a minimum of 21°C (71°F), an average of 32°C (91°F), and soaring maximums that can reach 45°C (113°F). This month is relatively dry, with only 53 mm (2.1 in) of rainfall over 8 days and a much lower humidity of 31%. For a detailed look at the weather conditions, you can refer to Sonipat weather in June.

In September, the weather remains warm, with temperatures ranging from a minimum of 20°C (69°F) to a maximum of 38°C (100°F) and an average of 29°C (85°F). However, it is marked by higher humidity at 87% and a significant amount of rainfall, totaling 129 mm (5.1 in) over 13 days. In contrast, July experiences even hotter temperatures, with a lower minimum of 24°C (76°F) and a higher average of 31°C (88°F), reaching up to 42°C (108°F) at its peak. Rainfall is notably higher in July, with 204 mm (8.0 in) falling over 20 days, although humidity is lower at 70%. For more detailed information on July weather, visit Sonipat weather in July.

In comparing the weather between August and September, we see some notable differences. September experiences slightly lower minimum temperatures at 20°C (69°F), compared to August's minimum of 25°C (77°F). However, the average temperatures remain quite similar, with September averaging 29°C (85°F) and August at 30°C (86°F). In terms of precipitation, September sees a decrease with 129 mm (5.1 in) over 13 days, while August records higher precipitation levels at 169 mm (6.6 in) spread across 19 days. Humidity also remains high, with September at 87% and August slightly higher at 89%. For a more detailed look into August's weather conditions, you can visit Sonipat weather in August.

September and October present a noticeable shift in weather patterns. September features warmer temperatures, with minimums around 20°C (69°F) and average highs soaring to 38°C (100°F), accompanied by substantial rainfall measured at 129 mm (5.1 in) over 13 days. Humidity remains high at 87%, creating a sticky atmosphere. In contrast, October sees a welcome drop in temperatures, with minimums settling at 13°C (56°F) and averages around 25°C (78°F). This month experiences significantly less precipitation, only 17 mm (0.7 in) across just 2 days, and humidity decreases slightly to 84%. For more detailed insights, you can check Sonipat weather in October.

September and November present a striking contrast in weather patterns. In September, temperatures are significantly warmer, with a minimum of 20°C (69°F) and an average high reaching 38°C (100°F). The month sees considerable rainfall, with 129 mm (5.1 in) of precipitation over 13 days, coupled with high humidity levels of 87%. In contrast, November experiences much cooler temperatures, with a minimum of 8°C (47°F) and an average high of 32°C (90°F). Rainfall is minimal, at just 11 mm (0.4 in), spread over only one day, and humidity drops slightly to 81%. For more details on the weather during this month, you can visit Sonipat weather in November.

September and December present stark contrasts in weather patterns. In September, temperatures soar with a minimum of 20°C (69°F) and average highs reaching up to 38°C (100°F), accompanied by high humidity at 87%. This month also sees significant rainfall, with 129 mm (5.1 in) spread over 13 days. In contrast, December brings a dramatic drop in temperatures, with a minimum of 3°C (38°F) and an average of 14°C (57°F), peaking at a more moderate 26°C (80°F). Notably, December is much drier, with only 9 mm (0.4 in) of precipitation over just 1 day, and lower humidity at 76%. For more details on the weather conditions, check out Sonipat weather in December.

Compare Sonipat's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Sonipat

As September arrives in Sonipat, the weather begins to shift from the sweltering heat of summer, offering a respite with more moderate temperatures and increased humidity. This month is characterized by a marked increase in precipitation, marking the transition to the monsoon season with around 13 rainy days contributing to a total of 129 mm of rainfall. The balmy average temperature of 29°C provides a welcome change from the extremes of summer, making it a delightful time for outdoor activities, despite the occasional downpour. For those looking to understand Sonipat’s climate better, explore more at Sonipat Climate.