September Weather in Allahabad, India

Last updated: August 21, 2025

September in Allahabad, India brings a transition from the scorching summer, with maximum temperatures peaking at 37°C (98°F) and an average of 30°C (85°F). Nights offer a slight respite, dipping to a minimum of 24°C (76°F). This month also witnesses significant precipitation, totaling around 201 mm (7.9 in) over 18 days, contributing to the region's lush greenery. With an average humidity level of 87%, the air feels quite heavy, making September a month marked by the onset of the monsoon season and a vibrant change in the local climate.

September Temperature in Allahabad

As September unfolds in Allahabad, the temperatures begin to ease from the sweltering heat of summer, yet it remains warm with minimums around 24°C (76°F) and averages hovering at 30°C (85°F). The maximum temperatures rise to 37°C (98°F), signaling that while the heavy summer heat starts to subside, the lingering warmth is still notable. This month marks a transition, with the climate shifting from the oppressive summer months to the more pleasant conditions of autumn. Humidity may still be high, but the gradual drop in max temperatures hints at the respite to come, making September an intriguing blend of enduring summer warmth and the coming autumn coolness, perfect for outdoor activities.

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

The chart illustrates September temperature patterns in Allahabad, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Allahabad, 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).
JanFebMarAprMayJunJulAugSepOctNovDec596677889291878585827162
Data source: Temperature data for Allahabad 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 Allahabad

In Allahabad, India, September marks a significant shift in the monsoon season, showcasing 201 mm (7.9 in) of rainfall over 18 days. This pattern reflects a notable decrease from the preceding months of July and August, which experience their peak precipitation levels of 387 mm (15.2 in) and 311 mm (12.3 in), respectively. As the torrential rains begin to subside, September still provides ample moisture, ensuring the lush landscapes continue to thrive. This transitional month is critical for agriculture and replenishing water sources, balancing the heavy downpours of summer with a gradual retreat into drier conditions as October approaches. Overall, September acts as a bridge, maintaining significant rainfall while preparing the region for a shift towards lower precipitation in the following months.

September Precipitation Trends in Allahabad

The chart displays monthly precipitation patterns in Allahabad, 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 Allahabad, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec138148331503873112011718
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Allahabad

In September, humidity in Allahabad remains notably high, reaching 87%, mirroring the levels seen in August and October. This marks the continuation of a trend observed throughout the monsoon season, where the humidity peaks in July and August. Following the typically dry months of January through April, where levels plummet as low as 15%, the shift to the rainy season brings a significant increase in moisture. The overall pattern reveals a stark contrast, with the latter half of the year experiencing much higher humidity levels, making September emblematic of the city's post-monsoon atmosphere, characterized by a warm, damp climate that can often be both heavy and invigorating.

September Average Humidity in Allahabad

This chart illustrates the average monthly humidity levels in Allahabad, 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 Allahabad is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec55%31%21%15%20%41%82%87%87%87%85%69%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Allahabad

In September, Allahabad experiences a significant drop in UV Index levels from the extreme highs of the preceding months, yet it remains notably elevated at 11, categorizing it in the extreme exposure category with a quick burn time of only 10 minutes. This trend marks a gradual shift from the peak summer sun, while still urging caution for outdoor activities. As the monsoon season recedes, residents and visitors should remain vigilant about sun safety, even as the index begins to decline in the following months. For continuous updates on solar intensity throughout the year, visit Allahabad UV Index.

Maximum UV Index Levels in Allahabad for September

The chart shows the monthly maximum UV Index (UVI) for Allahabad 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 Allahabad typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec679101010121211965
Data source: Allahabad 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 Allahabad

As September arrives in Allahabad, the city continues to bask in the comforting glow of the sun with an impressive 283 hours of sunshine. This month's hours mark a slight dip from the vibrant summer peak of 366 hours in May but still reflect a continuation of the warm, bright days characteristic of the region. Following the monsoon months of July and August, which recorded fewer sunny hours at 274 and 279 respectively, September transitions gracefully with a blend of warmth and lingering rains. As the days gradually shorten, the sunshine remains abundant, hinting at the glorious October ahead, which boasts 313 hours of bright skies—a testament to Allahabad's resilient sunlit charm year-round.

Monthly Sunshine Duration in Allahabad: September Highlighted

The September sunshine duration represents the total number of hours Allahabad 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.
JanFebMarAprMayJunJulAugSepOctNovDec238h285h338h348h366h326h274h279h283h313h289h286h
Data source: Allahabad September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Allahabad During September

In Allahabad, the transition from the sultry summer to the gentle onset of autumn is marked by a notable shift in sunshine probability. As September rolls in, the chance of sunny weather drops to 34%, a stark contrast to the vibrant sun-filled months before it. This decline follows a seasonal pattern where the rainy monsoon envelops the region, leading to a significant reduction in clear skies, particularly during the peak months of July and August, which see only a 15% and 11% chance of sun, respectively. As the city emerges from the grip of the monsoon, October brings a refreshing increase in sunshine, soaring back to 77%. Thus, while September may present limited sunny days, it paves the way for the sun’s return, offering hope for clearer skies in the months to follow.

Percentage of Sunny Days in September in Allahabad

The chart illustrates the percentage of sunny days in Allahabad 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 Allahabad experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec73%90%87%83%56%32%15%11%34%77%71%68%
Data source: Allahabad September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Allahabad in September

In September, Allahabad enjoys a balanced 12 hours of daylight, continuing the trend of diminishing light that initiated in August. The city experiences a gradual transition from summer's long days, peaking at 13 hours in May through July, to the shorter days of autumn. This reduction signifies the onset of changing seasons, as daylight slowly recedes towards October's 11 hours. With the warm glow of early fall, September's daylight provides ample opportunity for outdoor activities, preparing residents and visitors alike for the vibrant festivities that lie ahead as the days grow shorter.

Average Daylight Hours in Allahabad for September

The chart illustrates the variation in daylight duration in Allahabad throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 44m11h 17m12h12h 45m13h 22m13h 41m13h 31m12h 58m12h 16m11h 31m10h 53m10h 34m
Data source: Allahabad daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Allahabad

As September sweeps into Allahabad, the winds begin to pick up, reaching an average speed of 3.0 m/s (7 mph), marking a noticeable increase compared to the summer months. This shift signals a vibrant transition from the sultry days of August, where the wind barely whispered at 2.7 m/s (6 mph). The gentle breeze brings a refreshing change, hinting at the onset of autumn and providing a welcome reprieve from the late monsoon humidity. In the broader context of the year, September stands out as a peak, showcasing the city's evolving climate patterns—where the winds, once languid during the early months, now invigorate the air and energize the spirit of its residents.

Average September Wind Speed in Allahabad

The chart displays monthly wind speed patterns in Allahabad, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.02.12.42.42.42.32.82.73.0 m/s2.11.71.9
Data source: Allahabad September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Allahabad Compares to Other Months

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

September and January present stark contrasts in weather conditions. In September, temperatures soar with a minimum of 24°C (76°F) and can peak at 37°C (98°F), accompanied by high humidity levels of 87% and significant rainfall of 201 mm (7.9 in) over 18 days. In contrast, January offers a much cooler climate, with temperatures ranging from a chilly 5°C (41°F) to a mild average of 15°C (59°F) and a maximum of 28°C (83°F). The month is notably drier, featuring only 13 mm (0.5 in) of precipitation over just a single day and lower humidity at 55%. For a more detailed understanding of January weather, you can check out Allahabad weather in January.

September and February present starkly contrasting weather conditions. In September, temperatures soar with minimums around 24°C (76°F) and highs reaching up to 37°C (98°F), coupled with high humidity levels at 87%. This month also sees considerable rainfall, accumulating 201 mm (7.9 in) over approximately 18 days, creating a humid and wet environment. In sharp contrast, February offers a much cooler climate, with temperatures ranging from a brisk 7°C (44°F) at night to a pleasant average of 19°C (67°F) during the day, peaking at 33°C (93°F). Precipitation is minimal in February, with only 8 mm (0.3 in) of rain falling on just 1 day, and humidity levels drop significantly to around 30%. For more details on February weather in Allahabad, you can check Allahabad weather in February.

September and March showcase contrasting weather patterns. September experiences warmer temperatures with a minimum of 24°C (76°F) and an average high of 30°C (85°F), accompanied by significant humidity at 87% and substantial rainfall of 201 mm (7.9 in) spread over 18 days. In stark contrast, March features cooler conditions, with a minimum temperature of 11°C (53°F) and an average high reaching 41°C (106°F). It also has very low precipitation, totaling only 14 mm (0.5 in) over just 3 days, and significantly reduced humidity at 21%. These differences make September feel much more tropical, while March offers a drier and hotter climate. For more detailed insights on March's weather, visit Allahabad weather in March.

September and April exhibit contrasting weather patterns. In September, temperatures range from a minimum of 24°C (76°F) to a maximum of 37°C (98°F), accompanied by high humidity at 87%, and significant rainfall totalling 201 mm (7.9 in) over 18 days. In contrast, April boasts a higher minimum temperature of 18°C (64°F) but can reach scorching highs of 44°C (112°F) with an average of 31°C (89°F). April experiences minimal rainfall, with only 8 mm (0.3 in) over 2 days and significantly lower humidity at 15%. For more information on April weather, you can refer to Allahabad weather in April.

In September, the weather is characterized by relatively high temperatures, with a minimum of 24°C (76°F) and an average reaching up to 30°C (85°F), while peaking at a maximum of 37°C (98°F). This month is also marked by significant rainfall, with 201 mm (7.9 in) of precipitation over 18 days, leading to high humidity levels at 87%. In contrast, May experiences even higher temperatures, with an average of 33°C (92°F) and extremes soaring up to 46°C (115°F). However, May is much drier, with only 33 mm (1.3 in) of rain falling over just 5 days, resulting in a much lower humidity of 20%. For more details on the weather in May, you can check Allahabad weather in May.

In comparing the weather between September and June, we see some notable differences. September experiences slightly warmer temperatures, with average highs of 30°C (85°F) compared to June's 33°C (92°F). However, June can reach extreme highs of up to 46°C (115°F), while September's maximum temperature is lower at 37°C (98°F). In terms of precipitation, September is much wetter, recording 201 mm (7.9 in) over 18 days, whereas June receives 150 mm (5.9 in) over just 12 days. Additionally, humidity levels in September are significantly higher at 87% compared to the much drier 41% in June. For a more detailed look at June's climate, you can visit Allahabad weather in June.

When comparing the weather in September and July, one notices a few significant differences. September sees slightly lower minimum and maximum temperatures, ranging from 24°C (76°F) to 37°C (98°F), with an average of 30°C (85°F). In contrast, July starts at a minimum of 25°C (78°F) and can reach up to 41°C (105°F), maintaining an average of 30°C (87°F). Precipitation levels are notably higher in July, with 387 mm (15.2 in) over 25 days compared to September's 201 mm (7.9 in) across 18 days. Additionally, while September has a higher humidity level at 87%, July's humidity stands at a lower 82%. For more detailed information, you can check Allahabad weather in July.

In comparing the weather of September and August, we see a slight decrease in overall temperatures. September features a minimum temperature of 24°C (76°F), an average of 30°C (85°F), and a maximum of 37°C (98°F), while August maintains a minimum of 25°C (77°F), an average of 30°C (86°F), and a maximum of 36°C (96°F). Precipitation levels also differ, with September receiving 201 mm (7.9 in) over 18 days, compared to August's higher total of 311 mm (12.3 in) across 26 days. Both months boast humidity levels of 87%, contributing to the overall sultry atmosphere. For more detailed insights, you can refer to Allahabad weather in August.

In September, the weather is characterized by warmer temperatures, with a minimum of 24°C (76°F) and an average of 30°C (85°F). This month also sees significant rainfall, accumulating to 201 mm (7.9 in) over 18 days, contributing to a high humidity level of 87%. In contrast, October experiences cooler temperatures, with a minimum of 17°C (62°F) and an average of 28°C (82°F), while precipitation drops dramatically to just 17 mm (0.7 in) over only 3 days. Despite this decrease in rain, the humidity remains steady at 87%. For those interested in more details about October weather, you can visit Allahabad weather in October.

September and November offer quite contrasting weather conditions. In September, temperatures soar with a minimum of 24°C (76°F) and an average of 30°C (85°F), reaching highs of 37°C (98°F). The month is also characterized by high humidity at 87% and significant rainfall, averaging 201 mm (7.9 in) over 18 rainy days. In stark contrast, November sees a considerable drop in temperatures, with a minimum of 11°C (51°F), an average of 22°C (71°F), and a maximum of 33°C (92°F). The month is largely dry with minimal precipitation of just 1 mm (0.1 in) and no rainy days, accompanied by a slightly lower humidity level of 85%. For more detailed information on weather conditions in November, check out Allahabad weather in November.

In September, the weather is characterized by high temperatures, with minimums around 24°C (76°F) and maxima reaching up to 37°C (98°F), making it a hot and humid month. The average temperature hovers at about 30°C (85°F) and the region experiences significant rainfall, with 201 mm (7.9 in) of precipitation over approximately 18 days, resulting in a high humidity level of 87%.

In contrast, December brings a dramatic shift in conditions, where temperatures drop to a minimum of 5°C (42°F) and rise to a comfortable average of 17°C (62°F), peaking at 29°C (85°F). This month is much drier, with only 8 mm (0.3 in) of precipitation over just 1 day, and humidity decreases to 69%. For a closer look at December's climate, you can check Allahabad weather in December.

Compare Allahabad's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Allahabad

As September unfolds in Allahabad, the weather takes on a distinct character, marked by the transition from the sweltering summer heat to the refreshing embrace of the monsoon season. The once scorching temperatures begin to moderate, settling at a more comfortable average, while the humidity levels soar to around 87%, creating a sticky but vibrant atmosphere. This month is characterized by significant rainfall, with precipitation occurring on nearly two-thirds of the days, transforming the landscape and nourishing the earth. Unlike the dry, hot months that precede it, September offers a lush respite, inviting residents and visitors alike to witness nature's rejuvenation. For a deeper dive into how the weather unfolds throughout the year, explore Allahabad Climate.