September Weather in Bhagalpur, India

Last updated: August 21, 2025

In September, Bhagalpur experiences a tropical climate characterized by warm temperatures and significant rainfall. The maximum temperature can soar to 36°C (97°F), while the average hovers around 30°C (86°F), cooling down to a minimum of 23°C (74°F) at night. The month is marked by high humidity levels of 90%, contributing to a muggy atmosphere. With 237 mm (9.3 in) of precipitation spread over 24 days, residents often find themselves under cloudy skies and frequent showers, making September one of the wetter months in the region.

September Temperature in Bhagalpur

In September, Bhagalpur experiences a subtle shift as the summer heat begins to wane, offering a pleasant retreat from the sweltering months prior. With minimum temperatures hovering around 23°C (74°F) and maxing out at 36°C (97°F), the warmth remains comfortable but starts to ease, as the average temperature settles at 30°C (86°F). This month marks the transition into autumn, where the oppressive heat of summer gives way to milder days, making it an ideal time for outdoor activities and explorations. As the rains from the monsoon months gradually recede, the climate becomes increasingly enjoyable, setting the stage for the cooler temperatures of October just around the corner.

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

The chart illustrates September temperature patterns in Bhagalpur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bhagalpur, 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).
JanFebMarAprMayJunJulAugSepOctNovDec616777838587868685827364
Data source: Temperature data for Bhagalpur 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 Bhagalpur

In September, Bhagalpur experiences a significant shift in its precipitation patterns, receiving 237 mm (9.3 in) of rainfall over 24 days. This substantial amount places September among the wetter months of the year, following the peak monsoon season in July and August. The rainfall during this period is critical for replenishing local water sources and supporting agriculture. As the monsoon begins to wane, the precipitation begins to taper off from the torrential downpours seen earlier, but it still plays a vital role in sustaining the lush green landscape that characterizes this time of year. The gradual decrease in both rainfall volume and frequency hints at the transition towards the drier months ahead, making September a crucial month in the regional climate cycle.

September Precipitation Trends in Bhagalpur

The chart displays monthly precipitation patterns in Bhagalpur, 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 Bhagalpur, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec627204311420930126923711919
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bhagalpur

September in Bhagalpur, India, is characterized by high humidity, with levels reaching 90%, mirroring the near peak moisture levels seen in the summer months of July and August. This trend indicates a notable shift from the dry conditions of the earlier months, where levels dipped as low as 29% in April. As the monsoon season begins to recede, September maintains its sweltering embrace, contributing to the overall feeling of stickiness that persists throughout the late monsoon. Following this, October continues the trend, staying at 90%, hinting at a lingering moisture that gradually eases into the drier months ahead. This consistent high humidity throughout the late summer to early autumn underscores the region's tropical climate, where the air remains saturated with moisture, setting the stage for transitioning into the cooler, more comfortable months of late autumn.

September Average Humidity in Bhagalpur

This chart illustrates the average monthly humidity levels in Bhagalpur, 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 Bhagalpur is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%59%45%29%51%77%91%90%90%90%88%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bhagalpur

As September rolls into Bhagalpur, the UV Index remains high at 12, categorizing exposure levels as extreme. This trend of elevated UV levels established in the preceding months continues, reflecting the persistent summer conditions gripping the region. With a quick burn time of just 10 minutes, residents and visitors alike should be vigilant and take precautionary measures to protect their skin. This month ties closely with the intensity of August, signaling that the sun's rays are still fierce. It's essential to stay informed about daily variations, especially during this peak season. For more detailed insights into UV exposure in Bhagalpur, explore the full information available at Bhagalpur UV Index.

Maximum UV Index Levels in Bhagalpur for September

The chart shows the monthly maximum UV Index (UVI) for Bhagalpur 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 Bhagalpur typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec56810910131212965
Data source: Bhagalpur 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 Bhagalpur

In Bhagalpur, India, the month of September offers a charming glimpse of the changing seasons, with 277 hours of sunshine illuminating the days. As the summer heat gradually wanes, September stands as a contrast to the peak sunshine of March and April, both basking in 334 hours. While still bright, September's sunshine is slightly less than the lively summer months, edging into the softer tones of autumn. Following a robust August with 286 hours, the decline in daylight hours hints at the approaching cooler months, yet the light remains a welcoming presence. As the year transitions, September serves as a gentle reminder of the balance between warm memories of summer and the anticipation of autumn's embrace.

Monthly Sunshine Duration in Bhagalpur: September Highlighted

The September sunshine duration represents the total number of hours Bhagalpur 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.
JanFebMarAprMayJunJulAugSepOctNovDec234h282h334h334h333h312h262h286h277h289h284h275h
Data source: Bhagalpur September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bhagalpur During September

In Bhagalpur, India, September marks a notable shift in weather patterns as the monsoon season wanes, bringing a 26% chance of sunny days. This percentage is a stark contrast to the preceding months of July and August, which experience a mere 9% and 6% chance of sunshine, respectively. As the rains subside, the likelihood of clearer skies begins to improve, though it remains below that of the more sunlit months like January (83%) and March (89%). This transitional month can often surprise with bursts of sun, offering glimpses of brighter weather while still retaining a tropical charm.

Percentage of Sunny Days in September in Bhagalpur

The chart illustrates the percentage of sunny days in Bhagalpur 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 Bhagalpur experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec83%88%89%79%45%32%9%6%26%63%75%69%
Data source: Bhagalpur September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bhagalpur in September

In Bhagalpur, India, the September daylight duration mirrors the balance of the preceding months, offering 12 hours of daylight. This continuation from the summer months reflects a gradual transition as the region shifts from the longer days of May through August. Interestingly, the daylight hours begin to taper off as October approaches, hinting at the seasonal rhythm of nature. The overall trend showcases a peak in daylight around the mid-year mark, with April to August basking in longer days, before settling back into a shorter daylight pattern in the fall and winter months. This ebb and flow not only shapes the daily life of Bhagalpur's residents but also highlights the region's vibrant seasonal changes.

Average Daylight Hours in Bhagalpur for September

The chart illustrates the variation in daylight duration in Bhagalpur 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 44m13h 21m13h 40m13h 30m12h 58m12h 16m11h 32m10h 54m10h 34m
Data source: Bhagalpur daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Bhagalpur

In September, Bhagalpur experiences a refreshing uptick in wind speed, averaging 2.6 m/s (6 mph), which ties with May for the highest monthly average this year. This gentle breeze serves as a welcome contrast to the sultry summer months and hints at the approaching autumn. The wind picks up slightly from the preceding months, which have seen a consistent pattern of mild speeds between 2.0 and 2.3 m/s. As the air swirls softly through the city, it carries the promise of change, awakening a sense of rejuvenation that underlines the transition of the seasons. The invigorating winds of September symbolize not just a shift in climate, but also a shift in mood, as residents embrace the cooler days ahead.

Average September Wind Speed in Bhagalpur

The chart displays monthly wind speed patterns in Bhagalpur, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.02.02.32.32.62.42.32.02.6 m/s2.01.72.1
Data source: Bhagalpur September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Bhagalpur Compares to Other Months

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

September and January offer starkly different weather experiences. In September, temperatures range from a warm minimum of 23°C (74°F) to sizzling highs of 36°C (97°F), accompanied by high humidity at 90%. This month sees significant rainfall, totaling 237 mm (9.3 in) over approximately 24 days, making the atmosphere quite muggy. In contrast, January presents a much cooler climate, with temperatures ranging from a low of 7°C (45°F) to an average of 16°C (61°F) and a maximum of 28°C (83°F). The precipitation is minimal, with only 6 mm (0.2 in) occurring over just one day, and the humidity is slightly lower at 72%. For more details on weather conditions in January, you can refer to Bhagalpur weather in January.

September and February present stark contrasts in weather. In September, the temperature averages a warm 30°C (86°F), peaking at a sweltering 36°C (97°F), while humidity hovers at a high 90%. This month also sees significant rainfall, with 237 mm (9.3 in) of precipitation spread over 24 days, making it a rather soggy time. In contrast, February offers a cooler climate, with average temperatures around 19°C (67°F) and maximums reaching 33°C (92°F). The month is much drier, featuring only 27 mm (1.1 in) of rainfall over just 2 days and a more comfortable humidity of 59%. For more specific details about February weather, you can refer to Bhagalpur weather in February.

In September, the weather is characterized by high temperatures, averaging around 30°C (86°F) with maximums reaching up to 36°C (97°F), making it feel quite warm. The humidity is notably high at 90%, contributing to a muggy atmosphere, and the month receives substantial rainfall, with 237 mm (9.3 in) spread over 24 days. In contrast, March sees milder temperatures, with an average of 25°C (77°F), and while it can peak at 37°C (100°F), it tends to be more comfortable. Rainfall during March is minimal, with only 20 mm (0.8 in) over just 2 days, and the humidity drops significantly to 45%. For a detailed overview of the weather in March, you can check Bhagalpur weather in March.

September and April present contrasting weather conditions. In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 36°C (97°F), with an average temperature of 30°C (86°F). This month is characterized by high humidity at 90% and considerable precipitation, averaging 237 mm (9.3 in) over 24 days. In contrast, April experiences a lower minimum temperature of 17°C (63°F) and can reach alarming highs of 41°C (105°F), with an average of 29°C (84°F). The month showcases significantly less rainfall, accumulating only 43 mm (1.7 in) over just 7 days, resulting in much lower humidity at 29%. For more detailed insights on April weather, check out Bhagalpur weather in April.

September and May exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 36°C (97°F), with an average of 30°C (86°F). This month is characterized by high humidity at 90% and significant rainfall, totaling 237 mm (9.3 in) across 24 days. In contrast, May presents slightly cooler temperatures, with a minimum of 20°C (68°F) and a maximum that can soar to 41°C (107°F), while maintaining a similar average of 30°C (85°F). However, May experiences much less precipitation, at 114 mm (4.5 in) over just 13 days, accompanied by considerably lower humidity at 51%. For more specific details on May weather, you can refer to Bhagalpur weather in May.

In comparing the weather patterns of September and June, we can observe some notable differences. September experiences a slightly lower average maximum temperature of 36°C (97°F) compared to June's sweltering peak of 43°C (110°F), making June the hotter month overall. However, both months share a minimum temperature of 23°C (74°F). September also sees a higher average precipitation of 237 mm (9.3 in) over 24 days, while June has 209 mm (8.2 in) over 20 days, indicating that September is generally wetter. Additionally, the humidity in September is significantly higher at 90%, compared to June's 76%, contributing to a more muggy atmosphere in the former month. For more detailed insights into June weather, check out Bhagalpur weather in June.

When comparing the weather in September and July, both months exhibit warm temperatures, but with notable differences. September has a minimum temperature of 23°C (74°F) and a maximum of 36°C (97°F), while July is slightly warmer, with a minimum of 26°C (79°F) and peaks reaching up to 38°C (100°F). The average temperature in both months hovers around 30°C (86°F). However, September sees less precipitation with 237 mm (9.3 in) over 24 days compared to July's 301 mm (11.9 in) over 28 days. Humidity is slightly higher in July at 91%, compared to 90% in September. For more detailed insights, you can check Bhagalpur weather in July.

In comparing the weather between August and September, both months feature similar average temperatures, with September showing a slight decrease in minimum temperature at 23°C (74°F) compared to August’s minimum of 26°C (79°F). Both months have the same average temperature of 30°C (86°F), but August typically reaches a higher maximum temperature of 37°C (99°F) versus September's 36°C (97°F). Precipitation is slightly lower in September with 237 mm (9.3 in) over 24 days, while August sees 269 mm (10.6 in) across 28 days. Despite these differences, humidity remains constant between the two months at 90%. For a detailed overview, you can check Bhagalpur weather in August.

In comparing the weather of September and October, we observe a noticeable transition from the warm and humid conditions of September to the slightly cooler and drier climate of October. September features higher temperatures with a minimum of 23°C (74°F) and an average of 30°C (86°F), peaking at 36°C (97°F). Additionally, it experiences significant rainfall, with 237 mm (9.3 in) over 24 days and a humidity level of 90%. In contrast, October sees a reduction in temperatures, with a minimum of 19°C (66°F) and an average of 28°C (82°F), peaking at 35°C (96°F). Precipitation also decreases to 119 mm (4.7 in) across just 11 days, while humidity remains consistent at 90%. For more specific insights, you can check out the detailed report on Bhagalpur weather in October.

September and November exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 23°C (74°F) to a scorching maximum of 36°C (97°F), with an average temperature of 30°C (86°F). This month sees significant rainfall, with 237 mm (9.3 in) of precipitation spread over 24 days, contributing to a high humidity level of 90%. In contrast, November experiences a much cooler climate, with temperatures dipping to a minimum of 12°C (53°F) and reaching a maximum of 34°C (94°F), averaging at 23°C (73°F). Notably, November is dry, with only 1 mm (0.0 in) of precipitation over 0 days and humidity slightly lower at 88%. For more details on November weather, check out Bhagalpur weather in November.

The weather in September contrasts sharply with December, showcasing the shifts that occur between the two months. In September, temperatures soar with a minimum of 23°C (74°F) and an average high of 36°C (97°F), accompanied by significant humidity at 90% and heavy rainfall of 237 mm (9.3 in) across 24 days. In stark contrast, December experiences much cooler conditions, with a minimum temperature dropping to 7°C (44°F) and an average high of 30°C (86°F). Additionally, December sees minimal precipitation of just 9 mm (0.4 in) over only 1 day, and a slightly lower humidity level at 87%. For more detailed weather information, check out Bhagalpur weather in December.

Compare Bhagalpur's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Bhagalpur

As September unfolds in Bhagalpur, it marks a transition period in the weather, characterized by warm temperatures and a significant increase in humidity. With maximum averages hovering around 36°C (97°F), the heat is palpable, while the average temperature offers a modest relief at 30°C (86°F). This month stands out not only for its warmth but also for its heavy rainfall, totaling around 237 mm (9.3 in) over approximately 24 days, giving it one of the wettest profiles of the year. The high humidity, reaching 90%, further enhances the muggy conditions, in stark contrast to the cooler, drier months that precede it. For those looking to understand the nuances of the shifting climate in Bhagalpur, explore more at Bhagalpur Climate.