September Weather in Hilsa, India

Last updated: October 30, 2025

In September, Hilsa, India, experiences warm and humid weather characterized by an average temperature of 30°C (85°F), with highs reaching up to 36°C (98°F) and lows around 24°C (75°F). This month brings significant rainfall, with 239 mm (9.4 inches) of precipitation spread over approximately 22 days, resulting in a tropical atmosphere and humidity levels soaring to 90%. These conditions not only create a lush landscape but also influence local activities and daily life in this vibrant region.

September Temperature in Hilsa

In September, Hilsa, India, enjoys a warm transition as the monsoon recedes, with temperatures averaging around 30°C (85°F). The minimum temperature hovers at a comfortable 24°C (75°F), while the maximum peaks at 36°C (98°F), reminiscent of the summer heat. This month marks a shift from the intense highs of July and August, providing a more pleasant climate that invites outdoor activities and local festivities. The consistent warmth coupled with lower humidity makes September an ideal time to experience the vibrant culture and stunning landscapes of Hilsa, as the heat gradually gives way to the cooler breezes of autumn.

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

The chart illustrates September temperature patterns in Hilsa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hilsa, September typically has an average temperature of 30°C (85°F), with highs reaching up to 36°C (98°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec606677868990868685817263
Data source: Temperature data for Hilsa 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 Hilsa

September in Hilsa, India, continues the region's monsoon narrative with 239 mm (9.4 in) of rainfall, signaling one of the wettest months of the year. This substantial precipitation falls over 22 days, maintaining the trend established in the preceding months of July and August, where relentless downpours occur. The monsoon season peaks during these months, with July witnessing an impressive 364 mm (14.3 in), followed by August's considerable 284 mm (11.2 in). While the rainfall begins to taper off into October, where only 66 mm (2.6 in) is recorded, September serves as a crucial transitional period where the lush greenery is sustained by the abundant moisture. Overall, this month upholds the monsoon's impact, shaping the climate and landscape of Hilsa before the dry season approaches.

September Precipitation Trends in Hilsa

The chart displays monthly precipitation patterns in Hilsa, 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 Hilsa, September typically receives around 239 mm (9.4 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec101915146118536428423966115
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hilsa

As summer transitions to autumn, September in Hilsa, India, experiences a notable humidity level of 90%, continuing the trend established in the previous months of July and August. This significant humidity reflects the region's monsoon season, which sees moisture reaching its peak. The high humidity in September not only offers a lush environment but also sets the stage for a gradual decrease as the year progresses, with October showing the same humidity level before a slight drop in November. Overall, the data reveals a clear pattern of peak humidity during the monsoon months, followed by a steady decline as the dry season approaches, emphasizing the region's distinctive climatic transitions.

September Average Humidity in Hilsa

This chart illustrates the average monthly humidity levels in Hilsa, 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 Hilsa is approximately 90%, 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 Hilsa

As September unfolds in Hilsa, India, residents and visitors alike are advised to stay vigilant under the extreme UV Index of 12. This marks a continuation of the intense sun exposure seen throughout the summer months, with a burn time of just 10 minutes, underscoring the urgency for sun protection. The trend this year has seen a steady rise from the moderate levels in January to the very high and now extreme indices, peaking in July and August before maintaining its intensity into September. This pattern highlights the need for sun safety practices as the days grow shorter but the sun's power remains unyielding. For a comprehensive view, check the Hilsa UV Index to stay informed and protect your skin.

Maximum UV Index Levels in Hilsa for September

The chart shows the monthly maximum UV Index (UVI) for Hilsa 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 Hilsa typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5781099121212965
Data source: Hilsa 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 Hilsa

September in Hilsa, India, brings a delightful mix of warm sunshine and refreshing breezes, with the region basking in 290 hours of sunlight. This month marks a slight decrease from the peak sunshine of 356 hours in May, hinting at the transition into the softer, cooler embrace of autumn. As summer fades, the sunny days in September serve as a gentle reminder of the vibrant warmth experienced earlier in the year, while still offering more sunlight than the gloomy winter months ahead. With each passing month, the trend showcases a gradual decline from peak summer brightness, yet September holds its own charm, inviting residents and visitors alike to enjoy the golden glow of this enchanting season.

Monthly Sunshine Duration in Hilsa: September Highlighted

The September sunshine duration represents the total number of hours Hilsa 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.
JanFebMarAprMayJunJulAugSepOctNovDec235h284h336h344h356h326h271h286h290h298h282h278h
Data source: Hilsa September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hilsa During September

As summer fades, the likelihood of sunny weather in September in Hilsa, India, remains relatively low, with only a 25% chance of sunshine. This marks a significant drop from the early months of the year, where clear skies dominate with probabilities soaring between 75% and 89%. The transition into the monsoon season takes a firm hold during the summer months, as reflected by the dramatically reduced chances of sun, plummeting to a mere 10% in July and a dismal 8% in August. Following September, the chances of brighter days gradually increase again, with October seeing a rebound to 64%. Overall, September acts as a bridge between the heavy rains of summer and the sunny respite that autumn will bring.

Percentage of Sunny Days in September in Hilsa

The chart illustrates the percentage of sunny days in Hilsa 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 Hilsa experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec75%89%90%79%55%31%10%8%25%64%72%69%
Data source: Hilsa September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hilsa in September

In Hilsa, India, the rhythm of daylight weaves a captivating pattern throughout the year. As summer approaches, May and June bring the longest days, offering 13 hours of sunlight that encourage vibrant outdoor activities. This abundance of light gradually subsides in July and August, settling at 12 hours in September as autumn begins its gentle embrace. As the year winds down, daylight dwindles once more, tapering to 11 hours in October and returning to 10 hours by November and December. This cyclical dance of daylight not only marks the seasons but also shapes the daily lives and rhythms of the community, capturing the essence of time in this picturesque locale.

Average Daylight Hours in Hilsa for September

The chart illustrates the variation in daylight duration in Hilsa 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 40m13h 31m12h 58m12h 16m11h 32m10h 54m10h 34m
Data source: Hilsa daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Hilsa

As summer transitions into autumn in Hilsa, India, September brings a refreshing change in the air with an average wind speed of 3.1 m/s (7 mph)—the highest of the year. This invigorating wind marks a noticeable increase from the previous months, which hovered around 2.2 to 2.9 m/s. The rise in wind speed not only signals the end of the sweltering summer but also hints at the approaching monsoon season. As the breezes pick up, they carry with them the promise of cooler temperatures and a vibrant landscape, making September a pivotal month in the climatic rhythm of Hilsa. Following this burst of energy, the winds gradually taper off in the ensuing months, reminding us of the fleeting nature of change.

Average September Wind Speed in Hilsa

The chart displays monthly wind speed patterns in Hilsa, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.02.22.62.72.92.82.52.23.1 m/s2.01.62.1
Data source: Hilsa September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Hilsa Compares to Other Months

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

In September, the weather is marked by high temperatures ranging from a minimum of 24°C (75°F) to a scorching maximum of 36°C (98°F), with an average temperature of 30°C (85°F). This month also sees significant rainfall, with 239 mm (9.4 in) of precipitation spread over 22 days, coupled with high humidity levels of 90%. In stark contrast, January brings a much cooler climate, with temperatures ranging from a low of 5°C (41°F) to a high of 28°C (83°F) and an average of 15°C (60°F). The precipitation dramatically decreases to only 10 mm (0.4 in) over just one day, while humidity drops to 72%. For more detailed insights, check out Hilsa weather in January.

In September, the weather is significantly warmer and more humid compared to February. The average temperature hovers around 30°C (85°F), with highs reaching up to 36°C (98°F) and a notable minimum of 24°C (75°F). Additionally, September experiences considerable rainfall, with 239 mm (9.4 in) falling over 22 days, resulting in a humidity level of 90%. In contrast, February presents a much cooler climate, with temperatures ranging from a low of 8°C (46°F) to a maximum of 34°C (93°F), and an average temperature of 19°C (67°F). The month is relatively dry, receiving only 19 mm (0.7 in) of precipitation over just 2 days and a humidity level of 59%. For more details on February weather in Hilsa, visit Hilsa weather in February.

September and March present stark contrasts in weather patterns. In September, temperatures range from a warm 24°C (75°F) at night to a sizzling 36°C (98°F) during the day, accompanied by high humidity levels of 90%. The month is also characterized by substantial rainfall, with 239 mm (9.4 in) of precipitation spread over 22 days, making it one of the wetter months. In contrast, March experiences milder conditions with temperatures ranging from a cool 11°C (51°F) at night to a hot 40°C (104°F) during the day. The precipitation is minimal at just 15 mm (0.6 in) across only 3 days, and humidity levels drop significantly to around 45%. For more insights, you can explore Hilsa weather in March.

When comparing the weather in September and April, notable differences emerge. September experiences a warm average temperature of 30°C (85°F) with highs reaching up to 36°C (98°F), coupled with high humidity levels at 90%. This month also sees significant rainfall, with 239 mm (9.4 in) of precipitation spread over 22 days, making it quite a wet period. In contrast, April offers a higher maximum temperature of 43°C (110°F) but has a lower average temperature of 30°C (87°F). Additionally, April is characterized by much drier conditions, with only 14 mm (0.6 in) of precipitation over just 4 days and a humidity level of 29%. For a more detailed look at the weather in April, you can visit Hilsa weather in April.

In comparing the weather of September and May, we see notable differences in temperature, precipitation, and humidity levels. September features a warmer range with temperatures peaking at 36°C (98°F) and an average of 30°C (85°F), while May takes the heat up a notch, with maximum temperatures soaring to 44°C (112°F) and an average of 32°C (90°F). Rainfall is significantly higher in September, receiving 239 mm (9.4 in) over 22 days, compared to May's relatively dry conditions with just 61 mm (2.4 in) over 7 days. Additionally, September's humidity is markedly high at 90%, while May enjoys a much lower humidity level of 51%. For a closer look at the specific weather patterns in May, you can explore Hilsa weather in May.

September and June exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 24°C (75°F) to a maximum of 36°C (98°F), with an average temperature of 30°C (85°F). This month is characterized by high humidity at 90% and significant rainfall, totaling 239 mm (9.4 in) over 22 days. Conversely, June tends to be hotter, with average temperatures peaking at 32°C (90°F) and maxing out at an extreme 45°C (114°F). Rainfall is less intense in June, with only 185 mm (7.3 in) spread over 16 days, and humidity levels are lower at 76%. For more detailed information, visit Hilsa weather in June.

In comparing the weather of September and July, September tends to be slightly cooler with an average temperature of 30°C (85°F), while July's average temperature is just a degree higher at 30°C (86°F). However, July experiences more extreme highs, reaching up to 40°C (105°F), compared to September’s maximum of 36°C (98°F). Precipitation also varies significantly, with July receiving 364 mm (14.3 in) over 27 days, compared to September's 239 mm (9.4 in) across 22 days. Humidity levels remain high in both months, with July at 91% and September at 90%. For more detailed insights, you can check Hilsa weather in July.

In comparing the weather of September and August, both months exhibit similar high temperatures, with average highs reaching around 36°C (98°F). However, September has a slightly lower minimum temperature of 24°C (75°F) compared to August's minimum of 26°C (79°F). In terms of precipitation, September sees a decrease with 239 mm (9.4 in) over 22 days, while August experiences higher rainfall at 284 mm (11.2 in) across 27 days. Despite the decrease in rainfall, both months maintain high humidity levels of 90%. For more detailed information, you can refer to Hilsa weather in August.

In September, the weather is characterized by high temperatures, with minimums around 24°C (75°F) and average highs reaching up to 36°C (98°F). This month also sees significant rainfall, accumulating 239 mm (9.4 in) over 22 days, contributing to a particularly humid environment with levels consistently at 90%. In contrast, October experiences a noticeable drop in temperatures, with minimums falling to 16°C (62°F) and average highs around 27°C (81°F), though it still peaks at 36°C (96°F). The rainfall decreases dramatically to 66 mm (2.6 in) over just 8 days, maintaining the humid conditions at 90%. For more detailed insights, check out Hilsa weather in October.

In September, the weather is characterized by high temperatures, with minimums around 24°C (75°F) and maximums reaching up to 36°C (98°F), alongside significant rainfall of 239 mm (9.4 in) over 22 days, resulting in a humid atmosphere with humidity levels hovering around 90%. In stark contrast, November sees a considerable drop in temperatures, with a milder average of 22°C (72°F) and maximums around 33°C (92°F), while experiencing almost no rainfall, only 1 mm, across a much drier month with 0 days of precipitation and slightly lower humidity at 88%. For more detailed insights about the weather specifically in Hilsa during November, you can visit Hilsa weather in November.

In September, the weather is characterized by hot and humid conditions, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 36°C (98°F) and high humidity levels averaging around 90%. This month also experiences significant rainfall, with a total precipitation of 239 mm (9.4 in) spread over 22 days. In contrast, December brings a much cooler climate, featuring milder temperatures that range from a minimum of 5°C (42°F) to a maximum of 29°C (85°F), along with a much drier atmosphere, as evidenced by only 15 mm (0.6 in) of precipitation falling over just one day. Despite a slight drop in humidity to 87%, December offers a refreshing shift from the sweltering heat of September. For more detailed information, you can check out Hilsa weather in December.

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Conclusion: What to Expect From September Weather in Hilsa

As September rolls in, Hilsa's weather transforms dramatically from the sweltering summer months. With average temperatures settling around 30°C (85°F), it feels noticeably more humid, hovering at an impressive 90%. This month also marks the transition to the monsoon season, with precipitation levels rising significantly, leading to 22 days of rain that amount to a substantial 239 mm (9.4 in). These shifts create a vibrant and lush landscape, drastically differing from the dry and hot conditions of preceding months. For a more detailed insight into the climatic patterns, visit Hilsa Climate.