September Weather in Valparai, India

Last updated: August 21, 2025

September in Valparai, India, is characterized by a refreshing climate, with maximum temperatures reaching 26°C (79°F) and cooling down to an average of 20°C (69°F). The month experiences a minimum temperature of 16°C (62°F), providing a comfortable atmosphere amid lush landscapes. With a notable precipitation total of 407 mm (16.0 in) spread over 28 days, this period is marked by frequent rain showers, enhancing the region’s verdant scenery. Coupled with high humidity levels at 87%, the weather not only invigorates the local flora but also offers a unique experience for visitors soaking in the natural beauty of this hill station.

September Temperature in Valparai

In September, Valparai experiences a gentle transition towards the cooler months, with minimum temperatures hovering around 16°C (62°F). Daytime temperatures offer a pleasant atmosphere, with averages resting comfortably at 20°C (69°F) and maximums reaching 26°C (79°F). Following a slight dip from the warmer summer months of July and August, September's climate remains refreshing, showcasing a blend of moderate warmth and a hint of the crispness that awaits in October. This delightful weather invites exploration of Valparai’s lush landscapes and vibrant tea estates, making it a perfect time to soak in the natural beauty of this hill station.

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

The chart illustrates September temperature patterns in Valparai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Valparai, 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).
JanFebMarAprMayJunJulAugSepOctNovDec687072737170696869697069
Data source: Temperature data for Valparai 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 Valparai

In September, Valparai experiences a significant precipitation total of 407 mm (16.0 in), marking a slight decrease from the peak rains of August, yet remaining substantial. With 28 rainy days, the month continues the trend of persistent showers typical of the monsoon season, providing essential moisture to the lush landscapes. This decline from August's intense 693 mm (27.3 in) suggests the monsoon is gently transitioning, as October, too, shows a comparable amount of rainfall at 414 mm (16.3 in). The consistent rainfall from May through September not only underscores the area's rich biodiversity but also highlights the vital role of these months in maintaining the region's ecological balance.

September Precipitation Trends in Valparai

The chart displays monthly precipitation patterns in Valparai, 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 Valparai, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec5927149310434425569693407414249114
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Valparai

September in Valparai, India, marks the continuation of a notably high-humidity trend, consistent with the peak levels observed from June through August, where humidity reaches a striking 87%. This level mirrors the August readings, suggesting a lingering influence of the monsoon season. The gradual rise in humidity from the cooler months of January (64%) to the intense summer months culminates in the late monsoon, ultimately creating a moist atmosphere that persists into the fall. As the year transitions into October, a slight dip to 84% begins, hinting at the gradual retreat from the humid peak experienced in September, but leaving behind a lush and vibrant landscape typical of this significant monsoon period.

September Average Humidity in Valparai

This chart illustrates the average monthly humidity levels in Valparai, 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 Valparai is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%57%57%68%81%84%87%87%87%84%82%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Valparai

In September, Valparai, India, maintains a highly extreme UV Index of 14, identical to the preceding month, August. This consistent level underscores a notable trend in Valparai's UV exposure as the region navigates through the dry season. With a remarkably brief burn time of just 10 minutes, visitors and residents alike must remain vigilant to protect their skin, as prolonged exposure can quickly lead to harmful effects. As the year progresses, fluctuations in the UV Index show significant peaks in the early months, particularly in April. For more tailored insights, explore further details at Valparai UV Index.

Maximum UV Index Levels in Valparai for September

The chart shows the monthly maximum UV Index (UVI) for Valparai 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 Valparai typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111314151413131414121110
Data source: Valparai 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 Valparai

As September unfolds in Valparai, India, residents and visitors alike can enjoy 281 hours of sunshine, a delightful respite after the preceding monsoon months. While the sun shines a little less brightly than in March, which boasts a peak of 337 hours, September still offers a warm embrace, outshining the summer lows of July and August. The slight dip in sunshine from other autumn months is balanced by the lingering warmth that invites exploration of Valparai’s lush landscapes. As the year progresses towards October, which sees 276 hours of sunlight, the region remains vibrant and inviting, making September a lovely transition into the inviting hues of fall.

Monthly Sunshine Duration in Valparai: September Highlighted

The September sunshine duration represents the total number of hours Valparai 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.
JanFebMarAprMayJunJulAugSepOctNovDec266h310h337h324h306h278h278h260h281h276h277h308h
Data source: Valparai September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Valparai During September

In Valparai, India, the likelihood of sunny weather in September is notably low, with only a 5% chance of sunshine. This modest probability continues the downward trend observed during the previous months, particularly from April to August, where sunny days dwindle dramatically. Following the heavy rains of the monsoon season, September typically sees a shift to cloudier conditions rather than clear skies. As we look at the broader spectrum of the year, it's clear that sunny weather is quite elusive in the latter half, particularly from May to August, with only brief moments of brightness in the earlier months like January and February. While September may not deliver much sun, the stunning lush landscapes often make up for the absence of bright weather, creating a unique beauty in the region.

Percentage of Sunny Days in September in Valparai

The chart illustrates the percentage of sunny days in Valparai 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 Valparai experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec29%58%53%22%11%6%3%2%5%4%3%56%
Data source: Valparai September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Valparai in September

In September, Valparai, India, enjoys a consistent 12 hours of daylight, which marks the continuation of a trend established since March. This period signals a harmonious balance in daylight hours, as the region transitions from the longer days of summer. Following the peak daylight months of March through August, which also boasted 12 hours, September sustains this brightness, offering opportunities for outdoor activities and exploration amidst Valparai's stunning landscapes. As the year progresses into October, daylight begins to wane, reducing to 11 hours, but the vibrant experience of September remains etched in the minds of its residents and visitors alike.

Average Daylight Hours in Valparai for September

The chart illustrates the variation in daylight duration in Valparai throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 34m11h 47m12h 3m12h 20m12h 35m12h 42m12h 38m12h 26m12h 9m11h 52m11h 38m11h 31m
Data source: Valparai daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Valparai

In September, Valparai experiences a gentle average wind speed of 1.8 m/s (4 mph), maintaining a consistent breeze that mirrors the calmness of the preceding month. As the monsoon season begins to ebb, winds pick up slightly, reflecting a trend of increasing breezes from June to July. Following this peak, the winds stabilize at around 1.8 m/s in September, suggesting a transition towards the quieter months ahead. Overall, the September winds in Valparai provide a refreshing respite, embracing the lush landscape while hinting at the atmospheric shifts as the year gently unfurls into the quieter days of autumn.

Average September Wind Speed in Valparai

The chart displays monthly wind speed patterns in Valparai, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.71.51.41.11.71.92.11.81.8 m/s1.31.51.6
Data source: Valparai September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Valparai Compares to Other Months

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

In September, the weather is notably warmer with average temperatures hovering around 20°C (68°F) and a maximum of 26°C (79°F). However, it's also quite wet, with a significant 407 mm (16.0 in) of rainfall spread over 28 days, leading to a high humidity level of 87%. In contrast, January experiences cooler nights, with minimum temperatures dropping to 13°C (55°F), but daytime temperatures can reach up to 29°C (84°F). January is much drier, receiving only 59 mm (2.3 in) of rain over just 6 days, resulting in lower humidity levels at 64%. For more details on January conditions, you can visit Valparai weather in January.

In terms of weather, September and February present quite different experiences. September typically boasts warmer temperatures with an average of 20°C (69°F), peaking at 26°C (79°F), while February enjoys slightly cooler conditions with an average temperature of 21°C (70°F) but can reach highs of 30°C (85°F). However, September is characterized by significant rainfall, with a staggering 407 mm (16.0 in) over 28 days, leading to high humidity levels of 87%. In contrast, February offers a much drier climate, experiencing only 27 mm (1.1 in) of rain across just 4 days and lower humidity at 57%. For more details on the February weather, you can refer to Valparai weather in February.

In comparing the weather conditions of September and March, we see some notable differences. September’s temperatures range from a minimum of 16°C (62°F) to a maximum of 26°C (79°F), with an average of 20°C (69°F). This month is characterized by high humidity at 87% and significant precipitation, totaling 407 mm (16.0 in) over 28 days. In contrast, March experiences warmer temperatures, with a minimum of 16°C (60°F), an average of 22°C (73°F), and a maximum reaching 31°C (88°F). Precipitation is considerably lower at 149 mm (5.9 in), spread over 17 days, and humidity drops to 57%. For a detailed look at the conditions in March, check out Valparai weather in March.

When comparing the weather in September and April, we see distinct differences in temperature and humidity. September features a mild temperature range with a minimum of 16°C (62°F) and a maximum of 26°C (79°F), while April presents warmer conditions, with temperatures ranging from 17°C (63°F) to a high of 31°C (88°F). Additionally, September is characterized by higher precipitation, totaling 407 mm (16.0 in) over 28 days, compared to April's 310 mm (12.2 in) within the same number of days. The humidity in September also remains quite high at 87%, in contrast to April's relatively drier atmosphere with a humidity level of 68%. For more information, you can visit Valparai weather in April.

When comparing the weather in September and May, it's evident that both months share a similar minimum temperature of 16°C (62°F). However, May is slightly warmer overall, with an average temperature of 22°C (71°F) and a maximum reaching 29°C (85°F), compared to September's average of 20°C (69°F) and max of 26°C (79°F). Precipitation levels are notable in both months, with September receiving 407 mm (16.0 in) over 28 days and May seeing a bit more at 434 mm (17.1 in) over 30 days. Humidity is also higher in September at 87%, compared to 81% in May, contributing to a more humid feel during the former month. For more detailed insights on May weather, you can visit Valparai weather in May.

In comparing the weather of September and June, both months display similar maximum temperatures, peaking at 26°C (79°F). However, September tends to be slightly cooler, with an average temperature of 20°C (69°F) compared to June's 21°C (70°F). Precipitation is quite significant in both months, with June receiving a total of 424 mm (16.7 in) over 30 days, while September sees 407 mm (16.0 in) across 28 days. Humidity levels are also comparable, but September is slightly more humid at 87%, while June sits at 84%. For more detailed insights into June weather, you can visit Valparai weather in June.

In comparing the weather of September and July, both months exhibit similar temperature ranges, with average temperatures hovering around 20°C (69°F) and maximums reaching 26°C (79°F). However, July is characterized by higher precipitation levels, totaling 569 mm (22.4 in) over 31 days, compared to September's 407 mm (16.0 in) over 28 days. Despite both months experiencing high humidity at 87%, July's increased rainfall makes it noticeably wetter than September. For a closer look at July’s weather patterns, you can visit Valparai weather in July.

In comparing the weather of September and August, we observe some notable differences. September experiences slightly warmer temperatures, with a minimum of 16°C and a maximum of 26°C, compared to August's minimum of 17°C and maximum of 25°C. However, August sees significantly higher precipitation, measuring 693 mm over 31 days, while September's rainfall totals 407 mm across 28 days. Both months share a high humidity level of 87%, but the overall weather in August is characterized by more rain and slightly cooler maximum temperatures. For more information, you can visit Valparai weather in August.

In September, the weather features a minimum temperature of 16°C (62°F) and an average of 20°C (69°F), with maximums reaching 26°C (79°F). The month is characterized by high humidity at 87% and substantial rainfall, totaling 407 mm (16.0 in) over 28 days. In comparison, October sees a slight increase in average temperature to 21°C (70°F) with maximums hitting 27°C (81°F), while the minimum remains the same at 16°C (61°F). The precipitation in October is slightly higher at 414 mm (16.3 in) but spread across just 27 days, contributing to a reduction in humidity to 84%. For more detailed information on October weather, check Valparai weather in October.

In comparing the weather between September and November, we see a slight shift in temperatures and precipitation. September features a minimum temperature of 16°C and an average of 20°C, peaking at 26°C, with high humidity at 87%. The month is also quite rainy, recording 407 mm of precipitation over 28 days. In contrast, November shows a minimum temperature of 15°C and an average of 21°C, reaching a maximum of 27°C. The rainfall decreases significantly to 249 mm over 23 days, accompanied by lower humidity at 82%. Overall, November offers slightly warmer days with less rain compared to September. For a more detailed look at the weather, you can visit Valparai weather in November.

In September, the weather is characterized by a slightly warmer average temperature, ranging from a minimum of 16°C (62°F) to a maximum of 26°C (79°F), accompanied by high humidity levels of 87%. However, this month also sees significant rainfall, with 407 mm (16.0 in) of precipitation over 28 days. In contrast, December presents a somewhat cooler atmosphere, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 27°C (80°F), while experiencing considerably less rainfall of 114 mm (4.5 in) over only 13 days. The humidity drops to 76%, making December a more comfortable month overall. For further details, check out Valparai weather in December.

Compare Valparai's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Valparai

September in Valparai is characterized by its cool temperatures and high humidity, making it a unique period compared to other months. With averages hovering around 20°C (69°F) and frequent rain showers, this month transforms the landscape into a lush green paradise. The substantial rainfall—often totaling over 400 mm—contributes to the area's enchanting beauty but also brings an air of tranquility that can be hard to find in drier months. While the average temperature remains comfortable, the incessant drizzles create a distinctive atmosphere that invites visitors to explore the region's scenic wonders. To learn more about what to expect throughout the year, visit Valparai Climate.