September Weather in Haldwani, India

Last updated: October 30, 2025

In September, Haldwani experiences a warm and humid climate, with maximum temperatures reaching up to 34°C (93°F) and an average of 25°C (78°F), offering a cozy atmosphere for locals and visitors alike. The month sees a significant minimum temperature of 20°C (67°F), ensuring comfortable nighttimes. Precipitation is prominent, with a total of 224 mm (8.8 in) observed over 26 days, resulting in lush surroundings but also a notable level of humidity at 88%. This combination of warmth and wetness creates a vibrant environment that characterizes Haldwani's transition into the autumn season.

September Temperature in Haldwani

In September, Haldwani experiences a lovely transition as the summer heat begins to wane. With minimum temperatures at a comfortable 20°C (67°F) and averaging around 25°C (78°F), the city offers a pleasant reprieve from the stifling summer months. The maximum temperature reaches 34°C (93°F), highlighting the lingering warmth of the season, but overall, it's a month that embodies a refreshing shift towards autumn. As the humidity decreases and the nights grow cooler, the weather becomes ideal for outdoor activities and exploration, making September a delightful time to experience the vibrant charm of Haldwani.

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

The chart illustrates September temperature patterns in Haldwani, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Haldwani, September typically has an average temperature of 25°C (78°F), with highs reaching up to 34°C (93°F) and lows dropping to around 20°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec525868778081797978726355
Data source: Temperature data for Haldwani 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 Haldwani

In September, Haldwani experiences a significant shift in precipitation, receiving 224 mm (8.8 in) of rain over 26 days. This marks a noticeable decline from the heavy downpours of July and August, which saw 378 mm and 453 mm respectively, but still underscores the region's reliance on its monsoon season. The pattern reflects a gradual tapering of the rainy period, transitioning from the intense monsoon months while still providing ample moisture to sustain the lush landscapes. As the month progresses, the frequency of rain diminishes, setting the stage for a drier October, where average precipitation drops to 86 mm (3.4 in). This balance illustrates Haldwani’s unique climate dynamics, where September serves as a bridge between the peak monsoon and the onset of autumn dryness.

September Precipitation Trends in Haldwani

The chart displays monthly precipitation patterns in Haldwani, 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 Haldwani, September typically receives around 224 mm (8.8 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec412424339318737845322486518
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Haldwani

In Haldwani, India, September marks a notable shift in humidity levels, with a remarkable average of 88%. This surge follows the extreme moisture of the preceding months, particularly July and August, which see humidity peaks at 82% and 91%, respectively. As the monsoon season wanes, September retains much of this humid air, creating a comfortable yet humid atmosphere. The trend from earlier months reveals a gradual increase in humidity as the year progresses, spiking sharply during the monsoon season and starting to taper off as autumn approaches. This pattern highlights the region's transition from the dry heat of summer to the dampness of the rainy season, making September a captivating month in Haldwani's climatic tapestry.

September Average Humidity in Haldwani

This chart illustrates the average monthly humidity levels in Haldwani, 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 Haldwani is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec60%56%43%33%34%43%82%91%88%83%78%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Haldwani

As September arrives in Haldwani, the UV Index remains at a high level of 10, classifying sunlight exposure as very high. This trend reflects a slight dip from the extreme conditions of July and August, where the UV Index peaked at 13 and 12, respectively. While the burn time improves slightly to 15 minutes, caution is still essential for outdoor activities, as prolonged exposure can be detrimental. The transition into cooler months begins in October, hinting at a gradual decline in UV intensity. For those navigating the sunny days ahead, it's wise to stay informed about UV levels to protect your skin effectively. For more detailed information, visit Haldwani UV Index.

Maximum UV Index Levels in Haldwani for September

The chart shows the monthly maximum UV Index (UVI) for Haldwani 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 Haldwani typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec569101011131210965
Data source: Haldwani 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 Haldwani

In September, Haldwani basks in a delightful 318 hours of sunshine, marking a beautiful transition into autumn. After the intense heat of May, which shines with an impressive 372 hours, the city experiences a gradual dip in sunlight during the monsoon months of June and July. However, September signifies a revival, as the days grow clearer and the rain retreats, allowing for a substantial increase in daylight compared to the previous months. This trend sets the tone for a comfortable transition into October, which enjoys a slight uptick with 322 hours of sunshine, as the region prepares for the lingering warmth of the approaching festival season. Overall, September in Haldwani is a time of brightening skies and refreshing weather, inviting both locals and visitors to embrace the outdoor charm of this beautiful Indian city.

Monthly Sunshine Duration in Haldwani: September Highlighted

The September sunshine duration represents the total number of hours Haldwani 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.
JanFebMarAprMayJunJulAugSepOctNovDec236h285h341h350h372h363h292h283h318h322h294h290h
Data source: Haldwani September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Haldwani During September

As September rolls around in Haldwani, India, the likelihood of basking in sunny weather takes a noticeable dip, with a 38% chance of clear skies. This marks a stark contrast to the vibrant sunny days of earlier months, such as January and February, where sunshine reigns supreme with probabilities soaring over 80%. The lingering monsoon season casts a shadow in the latter half of the year, especially in July and August, when the chances of sunshine plummet to around 23% and 24%. While September does offer a respite from the heavy rains, the transition reflects decreasing clarity in the sky, setting the stage for a more temperate climate as autumn approaches. With October's return to brightness at 78%, Haldwani quickly shifts back to its sun-soaked charm.

Percentage of Sunny Days in September in Haldwani

The chart illustrates the percentage of sunny days in Haldwani 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 Haldwani experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec80%85%81%78%60%54%23%24%38%78%83%72%
Data source: Haldwani September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Haldwani in September

In Haldwani, India, September marks a transitional moment as daylight begins to wane from the sun-drenched heights of summer. With 12 hours of daylight, this month still enjoys a generous share of sunlight, but it's a noticeable decline from the peak 13 hours observed from May through August. This gradual decrease signals the approach of autumn, as the days shorten further into October, which offers only 11 hours of daylight. The rhythm of daylight reflects the changing seasons, with September standing as a brief farewell to the longer, sunlit days, inviting residents to embrace the softer light and cooler temperatures of the coming months.

Average Daylight Hours in Haldwani for September

The chart illustrates the variation in daylight duration in Haldwani throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 29m11h 8m11h 59m12h 52m13h 36m13h 58m13h 46m13h 8m12h 18m11h 26m10h 40m10h 17m
Data source: Haldwani daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Haldwani

As September unfolds in Haldwani, the winds slow down to a gentle 1.3 m/s (3 mph), mirroring the calmness that often settles with the onset of autumn. This marks a continuation of the subdued breezes felt in the preceding months, with wind speeds gradually diminishing since the peak of 2.5 m/s (6 mph) in April. While July and August gave way to the seasonal monsoon's stillness, September maintains this tranquil trend. Overall, the data reflects a serene transition into fall, presenting a stark contrast to the lively gusts of spring and early summer, inviting residents to enjoy the graceful embrace of the shifting seasons.

Average September Wind Speed in Haldwani

The chart displays monthly wind speed patterns in Haldwani, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.51.92.22.51.81.51.41.31.3 m/s1.51.51.4
Data source: Haldwani September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Haldwani Compares to Other Months

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

The weather in September is characterized by warm temperatures, with a minimum of 20°C (67°F) and an average of 25°C (78°F), rising to a high of 34°C (93°F). This month also experiences significant rainfall, with 224 mm (8.8 in) falling over 26 days and high humidity levels at 88%. In contrast, January brings a much cooler climate, with temperatures ranging from a low of 3°C (37°F) to a comfortable high of 24°C (75°F) and an average of just 11°C (53°F). Precipitation is minimal, totaling only 41 mm (1.6 in) over 4 days, and humidity drops to 60%. For more detailed information, you can check Haldwani weather in January.

September and February present stark contrasts in weather conditions. September boasts warmer temperatures, with averages around 25°C (78°F) and highs reaching up to 34°C (93°F), accompanied by high humidity levels of 88%. However, this month also sees significant rainfall, with 224 mm (8.8 in) of precipitation spread over 26 days, creating a rather damp atmosphere. In contrast, February features much cooler temperatures, ranging from a minimum of 4°C (40°F) to an average of 15°C (58°F) and maximums peaking at 28°C (83°F). This month is characterized by a much drier climate, with only 24 mm (0.9 in) of rain falling over just 5 days, and lower humidity at 56%. For more detailed information, visit Haldwani weather in February.

September and March present strikingly different weather conditions. In September, temperatures range from a minimum of 20°C (67°F) to a maximum of 34°C (93°F), with an average of 25°C (78°F). This month is marked by high humidity at 88% and substantial rainfall, totaling 224 mm (8.8 in) over 26 days. In contrast, March has milder temperatures, ranging from a minimum of 6°C (43°F) to a maximum of 34°C (94°F), with an average of 20°C (68°F). The precipitation in March is significantly lower at just 24 mm (1.0 in) over only 6 days, and the humidity drops to a more comfortable 43%. For further details on March weather, you can check Haldwani weather in March.

In comparing the weather of September and April, we see two distinct seasons. September boasts a high average temperature of 25°C (78°F), with maximums reaching up to 34°C (93°F) and humidity levels soaring at 88%. However, it is also marked by significant precipitation, with 224 mm (8.8 in) of rain falling over 26 days. In contrast, April presents a cooler, yet still warm landscape, where temperatures range from a minimum of 11°C (53°F) to a maximum of 37°C (99°F), but with much lower humidity at 33%. Precipitation in April is minimal at just 33 mm (1.3 in) over only 6 days, making it a drier month overall. For more insight on the specific climate in April, you can visit Haldwani weather in April.

In September, the weather tends to be quite humid, with average temperatures ranging from a minimum of 20°C (67°F) to a maximum of 34°C (93°F). The month is characterized by substantial rainfall, receiving around 224 mm (8.8 in) over 26 days, resulting in a high humidity level of 88%. In contrast, May offers a warmer climate, featuring temperatures from a minimum of 16°C (62°F) to a scorching maximum of 37°C (100°F). The precipitation is significantly lower in May, with only 93 mm (3.6 in) recorded over about 10 days, leading to a much drier atmosphere with lower humidity at 34%. For more detailed insights, you can check Haldwani weather in May.

In September, the weather is characterized by warmer nights with a minimum temperature of 20°C (67°F) and a maximum reaching up to 34°C (93°F), providing an average of 25°C (78°F). However, this month also brings considerable rainfall, with precipitation occurring on 26 days and totaling 224 mm (8.8 in), accompanied by high humidity levels of 88%. In contrast, June tends to be hotter, with an average temperature of 27°C (81°F), peaking at 39°C (102°F). While June experiences less rainfall, with 187 mm (7.4 in) over 18 days and a much lower humidity of 43%, it can feel quite oppressive due to the higher maximum temperatures. For more details, you can check Haldwani weather in June.

In comparing the weather in September and July, both months experience similar maximum temperatures, peaking at 34°C (93°F). However, September tends to be slightly cooler with average temperatures around 25°C (78°F), compared to July's warmer average of 26°C (79°F). July is characterized by higher rainfall, receiving 378 mm (14.9 in) over 29 days, while September sees 224 mm (8.8 in) of precipitation over 26 days. Notably, September has a higher humidity level at 88%, compared to July's 82%. For more details on July's weather, you can check Haldwani weather in July.

In comparing the weather conditions between August and September, we observe some notable differences. September experiences slightly lower average temperatures, with a minimum of 20°C (67°F) and a maximum of 34°C (93°F), compared to August's minimum of 22°C (72°F) and maximum of 33°C (91°F). However, September is characterized by a significant drop in precipitation, totaling 224 mm (8.8 in) over 26 days, whereas August sees much higher rainfall at 453 mm (17.8 in) across 30 days. Humidity levels remain relatively high in both months, with September at 88% and August at 91%. For more detailed information, you can visit Haldwani weather in August.

September and October showcase a distinct shift in weather patterns. September remains warm with minimum temperatures around 20°C (67°F) and an average of 25°C (78°F), peaking at a maximum of 34°C (93°F). The month is also characterized by high humidity at 88% and significant rainfall of 224 mm (8.8 in) over 26 days. In contrast, October brings a cooler climate with minimum temperatures dropping to 12°C (54°F) and an average of 22°C (72°F), peaking at a comfortable 32°C (90°F). Rainfall decreases dramatically to 86 mm (3.4 in) over just 5 days, and humidity slightly lowers to 83%. For more detailed insights, you can check out Haldwani weather in October.

In September, the weather is notably warmer, with temperatures ranging from a minimum of 20°C (67°F) to a maximum of 34°C (93°F) and an average of 25°C (78°F). The month is characterized by high humidity at 88% and significant rainfall, totaling 224 mm (8.8 in) over 26 days. In contrast, November sees a substantial drop in temperature, with a minimum of 8°C (46°F) and a maximum of 29°C (84°F), averaging 17°C (63°F). This month experiences much lower precipitation, with only 5 mm (0.2 in) falling over just a single day, along with a decrease in humidity to 78%. For more details, you can check out Haldwani weather in November.

In September, the weather is characterized by warm temperatures, with a minimum of 20°C (67°F) and an average of 25°C (78°F) that can reach highs of 34°C (93°F). This month also sees significant rainfall, averaging 224 mm (8.8 in) over 26 days, contributing to a high humidity level of 88%. In contrast, December brings a much cooler climate, with temperatures dipping to a minimum of 3°C (37°F) and an average of 13°C (55°F), while highs can reach up to 24°C (76°F). Precipitation is minimal in December, with only 18 mm (0.7 in) recorded over just 1 day, and the humidity decreases to 75%. For more details, you can check Haldwani weather in December.

Compare Haldwani's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Haldwani

As September unfolds, Haldwani's weather presents a unique blend of warmth and moisture. With average temperatures hovering around a comfortable 25°C, this month offers a reprieve from the summer heat, though it can still peak at a sweltering 34°C. Frequent rains, amounting to about 224 mm over 26 days, transform the landscape, enhancing the vibrant greenery of the region. The high humidity, typically around 88%, creates a muggy atmosphere distinct from the drier summer months. This transitional period leads to a refreshing change, making September a delightful time to experience Haldwani’s lush beauty. For a deeper insight into Haldwani's climate, be sure to explore Haldwani Climate.