September Weather in Sibsagar, India

Last updated: August 21, 2025

In September, Sibsagar, India experiences a tropical climate marked by high humidity levels averaging around 91%. Daily temperatures fluctuate between a maximum of 37°C (100°F) and a minimum of 22°C (73°F), creating a warm atmosphere. The month is characterized by significant rainfall, totaling approximately 320 mm (12.6 in), spread across 25 days, which contributes to the region's lush greenery. This combination of warmth and moisture makes September a vivid yet challenging time in Sibsagar, reflecting the heart of the monsoon season.

September Temperature in Sibsagar

As September unfolds in Sibsagar, India, the region experiences a gentle transition from the sweltering summer months. With minimum temperatures settling around 22°C (73°F) and an average of 29°C (84°F), the air carries a hint of relief compared to the peak heat of July and August. While the maximum temperature dips slightly to 37°C (100°F), the overall weather remains warm and inviting, making it an ideal time for outdoor activities. This month marks a subtle shift towards the cooler, more temperate autumn days ahead, hinting at the beauty of what’s to come in October.

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

The chart illustrates September temperature patterns in Sibsagar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sibsagar, 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).
JanFebMarAprMayJunJulAugSepOctNovDec636672767984848584807265
Data source: Temperature data for Sibsagar 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 Sibsagar

In September, Sibsagar experiences a significant rainfall totaling 320 mm (12.6 in) over 25 days, marking a shift as the monsoon season begins to taper off. While this amount is lower than the peak of the rainy months like July and June, it still emphasizes the region's ongoing wet conditions. This month typically serves as a bridge, transitioning from the intense rains of summer to the drier months ahead. Comparatively, rainfall in September is noticeably less than the 462 mm (18.2 in) seen in July, yet it maintains a consistent level of precipitation that keeps the landscape lush and vibrant. As the frequency of rainy days starts to decline, Sibsagar sets the stage for October’s drier climate, reminding locals that the monsoon season is gradually yielding to cooler, crisper days.

September Precipitation Trends in Sibsagar

The chart displays monthly precipitation patterns in Sibsagar, 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 Sibsagar, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec26591061922833784623723201683812
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sibsagar

In Sibsagar, India, the month of September experiences a notable spike in humidity, maintaining a consistent 91% level that aligns with the high values seen in both July and August. As the monsoon season peaks, the air becomes increasingly moist, creating a sultry atmosphere that lingers into the early autumn months. This trend of elevated humidity begins in the late spring, peaking in the summer, before tapering off slightly in October and November. Interestingly, September's humidity mirrors the tropical climate characteristic of Northeast India, where the lush landscape thrives under such moisture, ultimately setting the stage for a vibrant fall.

September Average Humidity in Sibsagar

This chart illustrates the average monthly humidity levels in Sibsagar, 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 Sibsagar is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%70%51%44%83%89%91%91%91%90%89%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sibsagar

As we delve into the September UV Index in Sibsagar, India, we observe a continuation of the extreme sun exposure that has characterized the summer months. With a UV Index of 11, September showcases a slight decrease from the peak of 13 recorded in July, yet it remains in the extreme category, requiring just 10 minutes of burn time under direct sunlight. This trend aligns with the escalating UV levels from the earlier months, emphasizing the need for sun protection throughout late summer. As the season transitions into October, we anticipate a gradual decline in intensity, shifting to the very high category. For those planning outdoor activities during this time, it's essential to stay attentive to this UV Index trend to ensure safety. For more detailed insights, visit Sibsagar UV Index.

Maximum UV Index Levels in Sibsagar for September

The chart shows the monthly maximum UV Index (UVI) for Sibsagar 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 Sibsagar typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec56891212131211975
Data source: Sibsagar 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 Sibsagar

September in Sibsagar, India, experiences a delightful sunshine with 284 hours of bright daylight, following the slightly higher total of 285 hours in August. This transition marks a gentle shift as the summer months recede, revealing a consistent trend of abundant sunshine that peaks in May with 329 hours. As the season moves toward October, which boasts 305 hours, the sunlight remains robust, promising vibrant days for outdoor activities. Interestingly, the summer months from March to May consistently deliver the highest sunshine hours, while the earlier part of the year sees lower totals, particularly January's 240 hours. Thus, September showcases a pleasant balance of warmth and light, fitting snugly between the summer's peak and the crispness of autumn, making it an optimal time to enjoy the natural beauty of Sibsagar.

Monthly Sunshine Duration in Sibsagar: September Highlighted

The September sunshine duration represents the total number of hours Sibsagar 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.
JanFebMarAprMayJunJulAugSepOctNovDec240h277h322h313h329h297h255h285h284h305h299h301h
Data source: Sibsagar September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sibsagar During September

In Sibsagar, India, September marks a transition in weather patterns as the monsoon begins to wane. With a 31% chance of sunny weather, it offers a slight improvement compared to the oppressive humidity of the preceding months, where the chance of sunshine plummets to single digits in June, July, and August. As the region shifts towards October, the likelihood of clear skies rebounds impressively, reaching 68%. This trend suggests that while September may still bear the remnants of the monsoon, it paves the way for more favorable weather, making it a pivotal month for those seeking a glimpse of Sibsagar's sunny disposition.

Percentage of Sunny Days in September in Sibsagar

The chart illustrates the percentage of sunny days in Sibsagar 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 Sibsagar experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec67%78%69%59%29%12%10%8%31%68%82%67%
Data source: Sibsagar September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sibsagar in September

In Sibsagar, India, the month of September sees a return to shorter days, with 12 hours of daylight, a decrease from the summer peak of 13 hours experienced across the previous four months. This seasonal transition is indicative of the gradual shift from the vibrant, sun-drenched days of summer towards the shorter daylight hours that characterize the approaching autumn. As September unfolds, daylight begins to ebb, reflecting the natural rhythm of the changing seasons, where each month plays a significant role in the ebb and flow of time. Following September, daylight continues to wane, dropping to 11 hours in October and further to 10 hours by November, signaling the end of the longer days enjoyed earlier in the year.

Average Daylight Hours in Sibsagar for September

The chart illustrates the variation in daylight duration in Sibsagar throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 38m11h 14m12h12h 47m13h 27m13h 47m13h 37m13h 2m12h 17m11h 29m10h 48m10h 27m
Data source: Sibsagar daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Sibsagar

As September rolls into Sibsagar, the average wind speed ebbs gently to 1.2 m/s, which mirrors the calmness of previous months. Throughout the year, the winds remain relatively consistent, fluctuating only slightly between 1.1 m/s in January and December and peaking at 1.5 m/s during the spring months. This steady breeze, particularly in the late summer and early fall, evokes a sense of tranquility, making September a serene time to embrace the natural beauty of the region. The soft winds, often supporting the lush landscapes of Sibsagar, invite leisurely strolls and moments of reflection, embodying the peaceful essence of the transition from summer to autumn.

Average September Wind Speed in Sibsagar

The chart displays monthly wind speed patterns in Sibsagar, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.11.31.51.51.51.41.21.41.2 m/s1.21.21.1
Data source: Sibsagar September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Sibsagar Compares to Other Months

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

September and January showcase contrasting weather patterns. In September, temperatures soar with a minimum of 22°C (73°F) and a maximum reaching up to 37°C (100°F), accompanied by high humidity at 91% and significant rainfall, averaging 320 mm (12.6 in) over 25 days. Conversely, January presents a much cooler climate, where the temperatures range from a minimum of 7°C (45°F) to a maximum of 28°C (83°F). The month is characterized by a significant reduction in precipitation, averaging only 25 mm (1.0 in) over just 4 days, and a lower humidity level of 77%. For a more detailed look at January weather specifics, you can visit Sibsagar weather in January.

September and February present contrasting weather conditions. September typically experiences much warmer temperatures, with minimums around 22°C (73°F) and highs reaching up to 37°C (100°F), making it a hot month with an average temperature of 29°C (84°F). In contrast, February offers cooler weather, with temperatures ranging from a low of 9°C (48°F) to a high of 31°C (88°F) and an average of 19°C (66°F). Additionally, September is marked by significant rainfall, averaging 320 mm (12.6 in) over 25 days, leading to high humidity levels of 91%. Conversely, February sees much less precipitation at 59 mm (2.3 in) over just 7 days, and a more comfortable humidity level of 70%. For those interested in Sibsagar's February climate, more details can be found here: Sibsagar weather in February.

In September, the weather is characterized by higher temperatures, with a minimum of 22°C (73°F), an average of 29°C (84°F), and a maximum reaching up to 37°C (100°F). The month is also marked by substantial rainfall, totaling 320 mm (12.6 in) over 25 days, resulting in high humidity levels of 91%. In contrast, March offers a more moderate climate, with temperatures ranging from a minimum of 11°C (53°F) to a maximum of 35°C (95°F) and an average of 22°C (73°F). Precipitation in March is significantly lower at 106 mm (4.2 in) over just 14 days, and humidity drops to a comfortable 51%. For more specific insights on March weather, you can refer to Sibsagar weather in March.

In September, the weather is characterized by warmer temperatures and significantly higher humidity compared to April. While September boasts a minimum temperature of 22°C (73°F) and averages around 29°C (84°F), April starts off cooler with a minimum of 17°C (63°F) and an average of 24°C (76°F). The maximum temperature in both months is similar, with September reaching up to 37°C (100°F) and April peaking at 36°C (97°F). However, September sees much more rainfall, totaling 320 mm (12.6 in) over 25 days, while April has a milder 192 mm (7.5 in) spread across 18 days. Additionally, September experiences high humidity at 91%, contrasting sharply with April’s much lower humidity level of 44%. For more details, visit Sibsagar weather in April.

In comparing the weather of September and May, we observe a few notable differences. September experiences slightly higher average temperatures, with a minimum of 22°C (73°F) and an average of 29°C (84°F), whereas May has an average temperature of 26°C (80°F) with a minimum of 20°C (68°F). The maximum temperature in both months can reach a staggering 37°C (98°F in May and 100°F in September). Precipitation is more substantial in September, totaling 320 mm (12.6 in) over 25 days, compared to May's 283 mm (11.1 in) over 24 days. Additionally, September has higher humidity at 91%, compared to May's 83%, making the former feel more oppressive. For further details, you can check Sibsagar weather in May.

In comparing the weather between September and June, we see that both months have similar minimum temperatures, averaging around 22°C (72-73°F), with June being slightly hotter with a maximum of 38°C (101°F) compared to September's 37°C (100°F). Despite these similar average temperatures, June experiences a slightly higher level of precipitation, with 378 mm (14.9 in) over 27 days, compared to September's 320 mm (12.6 in) over 25 days. Additionally, September has a marginally higher humidity level at 91% versus June's 89%. For a closer look at June weather specifics, check out Sibsagar weather in June.

When comparing the weather in September and July, both months exhibit high temperatures with averages around 29°C (84°F), yet July tends to be slightly warmer with a minimum temperature of 24°C (75°F) compared to September's 22°C (73°F). Additionally, July experiences higher rainfall, totaling 462 mm (18.2 in) over 29 days, which is significantly more than September's 320 mm (12.6 in) over 25 days. Despite similar humidity levels of 91% in both months, the greater precipitation in July can lead to a more pronounced wet feeling. For more details on July weather, you can check out Sibsagar weather in July.

In comparing the weather between September and August, we notice some notable differences. September features slightly lower temperatures, with minimums at 22°C (73°F) and maximums reaching 37°C (100°F), compared to August's warmer range of 24°C (76°F) to 38°C (102°F). Precipitation in September also decreases to 320 mm (12.6 in) over 25 days, while August sees a higher total of 372 mm (14.6 in) across 27 days. Despite these variations, both months maintain high humidity levels at 91%. For more detailed insights about the August climate, you can explore Sibsagar weather in August.

September and October exhibit noticeable differences in weather patterns. In September, temperatures range from a minimum of 22°C (73°F) to a maximum of 37°C (100°F), with a high average of 29°C (84°F). This month is characterized by significant rainfall, receiving 320 mm (12.6 in) over 25 days, and maintaining high humidity levels at 91%.

In contrast, October sees a slight drop in temperature, with minimums of 19°C (66°F) and maximums of 36°C (98°F), resulting in an average of 27°C (81°F). The precipitation decreases considerably to 168 mm (6.6 in) across 18 days, and humidity remains relatively high at 90%. For more detailed insights into October weather, you can check Sibsagar weather in October.

In September, the weather is characterized by high temperatures, with a minimum of 22°C (73°F) and an average of 29°C (84°F), reaching scorching highs of 37°C (100°F). This month also experiences significant rainfall, totaling 320 mm (12.6 in) over 25 days, coupled with high humidity at 91%. In contrast, November brings a noticeable drop in temperatures, with a minimum of 13°C (56°F) and an average of 22°C (72°F), and maximums reaching only 32°C (89°F). Precipitation drastically decreases to 38 mm (1.5 in) over just 5 days, while humidity remains relatively high at 89%. Such differences illustrate the transition from the humid, rainy season of September to the cooler, drier conditions typical of November. For more detailed information, you can visit Sibsagar weather in November.

September and December present a striking contrast in weather. In September, the temperatures soar, with averages around 29°C (84°F) and peaks reaching up to 37°C (100°F). The month is characterized by high humidity at 91% and significant rainfall of 320 mm (12.6 in) spread over 25 days, creating a steamy atmosphere. In stark contrast, December brings cooler temperatures, with averages dropping to 18°C (66°F) and a maximum of 29°C (85°F), while nighttime lows can dip to 9°C (49°F). Rainfall is minimal in December, totaling just 12 mm (0.5 in) over only 2 days, and humidity decreases slightly to 86%. For more details about December weather, you can check Sibsagar weather in December.

Compare Sibsagar's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Sibsagar

As September unfolds in Sibsagar, the weather presents a notable shift compared to other months. With average temperatures hovering around 29°C (84°F), the month becomes increasingly warmer, peaking at a maximum of 37°C (100°F), while the humidity rises sharply to an impressive 91%. This combination results in a sultry atmosphere, making it feel much warmer than the actual temperature. September also brings significant rainfall, with 320 mm of precipitation spread over 25 days, marking it as one of the wetter months of the year. Such climatic conditions create a lush, vibrant landscape and contribute to the region's rich biodiversity. For a deeper dive into Sibsagar's climate and to understand how these conditions influence life and activities in the area, visit Sibsagar Climate.