September Weather in Aluva, India

Last updated: August 21, 2025

September in Aluva, India is characterized by a warm climate, with average temperatures hovering around 26°C (79°F). The month sees a maximum of 29°C (84°F) and a minimum of 24°C (75°F), making it a comfortable yet humid period with an 85% humidity level. Rainfall is significant, with 287 mm (11.3 in) recorded over an impressive 27 days, contributing to the lush greenery that the region is known for. The frequent showers provide a refreshing atmosphere, creating a vibrant backdrop for both nature and everyday life in Aluva.

September Temperature in Aluva

In September, Aluva experiences a subtle shift as the monsoon begins to wane. The temperatures are pleasantly mild, with minimums around 24°C (75°F) and maximums peaking at 29°C (84°F), providing a refreshing respite from the more intense heat of the preceding months. The average temperature hovers around 26°C (79°F), indicating a slight decrease from the summer highs. This month bridges the gap between the wet and dry seasons, reflecting a gradual transition towards drier and cooler weather. Overall, September in Aluva marks a gentle reprieve, inviting residents and visitors alike to embrace the lingering warmth while anticipating the approaching autumn.

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

The chart illustrates September temperature patterns in Aluva, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aluva, 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).
JanFebMarAprMayJunJulAugSepOctNovDec808182838279797879798081
Data source: Temperature data for Aluva 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 Aluva

In September, Aluva experiences a notable drop in precipitation, with 287 mm (11.3 in) falling over 27 days. This increase in rainfall marks a transition from the heavy deluge of the monsoon months, such as June and August, where 527 mm (20.7 in) and 515 mm (20.3 in) were recorded, respectively. As the peak of the monsoon season draws to a close, September's rainfall amounts still contribute significantly to the region's annual totals, yet the number of rainy days begins to taper off. This gradual decrease sets the stage for the subsequent months, where October shows a slight increase in precipitation to 344 mm (13.5 in), illustrating the lingering influence of monsoonal patterns in the region even as the season shifts.

September Precipitation Trends in Aluva

The chart displays monthly precipitation patterns in Aluva, 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 Aluva, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec32188617439852746651528734421659
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Aluva

September in Aluva, India, showcases a notable shift in humidity levels, maintaining a high average of 85%. This month follows the peak of the monsoon season, where humidity often reaches its zenith, peaking at 87% in August. The transition from August to September indicates a slight decrease, yet the humidity remains significantly elevated compared to the beginning of the year, where levels hover around 70% in January. This trend highlights how the monsoon's influence lingers even as the rainy season starts to wane, creating a lush and vibrant atmosphere in the region. As Aluva moves into October, we anticipate a further reduction to 84%, yet the legacy of September's moisture continues to nourish the landscape.

September Average Humidity in Aluva

This chart illustrates the average monthly humidity levels in Aluva, 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 Aluva is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%64%66%71%77%83%86%87%85%84%83%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Aluva

In September, Aluva, India, experiences a UV Index of 14, categorizing it as extreme with a burn time of just 10 minutes. This marks the peak of a summer pattern, with the UV index holding steady at high levels throughout the year, especially from February to June, where it consistently reaches extreme levels. By observing the trend, September's UV intensity aligns with the height of the monsoon season, reflecting minimal fluctuations in sun exposure. As we transition into autumn, it's crucial to remain vigilant about sun protection during this period of intense UV radiation. For more details on Aluva's UV Index, check out Aluva UV Index.

Maximum UV Index Levels in Aluva for September

The chart shows the monthly maximum UV Index (UVI) for Aluva 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 Aluva typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121214131212131412109
Data source: Aluva 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 Aluva

September in Aluva, India, enjoys a pleasant average of 272 sunlit hours, marking a notable resurgence in daylight after the monsoon months. Following a decline in sunshine during the preceding months—especially in June and July, which both recorded just 258 hours—the sunshine hours begin to rebound. This upward trend continues into October with 271 hours, suggesting that the end of the monsoon season brings a refreshing burst of sunlight. It’s a perfect time for outdoor activities, as the vibrant landscapes come alive again, offering locals and visitors alike the chance to bask in the golden sunshine that characterizes this enchanting region.

Monthly Sunshine Duration in Aluva: September Highlighted

The September sunshine duration represents the total number of hours Aluva 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.
JanFebMarAprMayJunJulAugSepOctNovDec265h309h335h322h290h258h258h240h272h271h278h310h
Data source: Aluva September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Aluva During September

September in Aluva, India, tends to be quite a cloudy month, with only a 15% chance of sunny weather. This marks a noticeable drop as the monsoon season approaches its conclusion, following a summer peak in February at 71% and a slightly lower yet still favorable 62% in March. The trend clearly shows that as the monsoon intensifies from May to August, the likelihood of sunshine decreases significantly, bottoming out at a mere 7% in August. As September rolls in, the clouds linger with little promise of clear skies. However, with October’s chance dwindling to 9%, residents and visitors alike can look forward to a gradual return of sunshine as the monsoon retreats, making September one of the more overcast months in Aluva.

Percentage of Sunny Days in September in Aluva

The chart illustrates the percentage of sunny days in Aluva 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 Aluva experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec41%71%62%37%16%15%10%7%15%9%6%70%
Data source: Aluva September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Aluva in September

In Aluva, India, September marks a continuation of the vibrant daylight experienced throughout the monsoon months, offering a consistent 12 hours of light each day. This stable duration remains unchanged from March through September, reflecting a seamless transition from the hot season to the cooler, rainier months. As days begin to shorten in October, the drop to 11 hours of daylight signals the onset of a shift towards winter, but until then, September provides a perfect balance of light, allowing for ample opportunities to explore and relish the lingering warmth before the changing seasons set in.

Average Daylight Hours in Aluva for September

The chart illustrates the variation in daylight duration in Aluva throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 36m11h 47m12h 3m12h 20m12h 33m12h 40m12h 37m12h 25m12h 9m11h 53m11h 39m11h 32m
Data source: Aluva daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Aluva

September in Aluva, India, marks a subtle increase in the average wind speed, reaching 3.6 m/s (8 mph). This uptick follows the peak winds of July, where breezes gusted at 4.4 m/s (10 mph), showing a gradual drop in the following months. Throughout the year, wind patterns exhibit a rhythm, with the calmest months typically being from December to March, where speeds hover around 2.3 to 2.9 m/s (5 to 6 mph). However, as the monsoon recedes into September, a refreshing transition occurs, breathing a slightly stronger breeze into the atmosphere, hinting at the changes yet to come in the vibrant autumn months. Overall, September's winds are emblematic of a shift, blending the lingering monsoon vitality with the promise of clear skies ahead.

Average September Wind Speed in Aluva

The chart displays monthly wind speed patterns in Aluva, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.32.82.92.63.13.54.43.53.6 m/s2.62.72.3
Data source: Aluva September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Aluva Compares to Other Months

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

When comparing the weather in September and January, notable differences emerge. September is characterized by a warmer climate with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 29°C (84°F), alongside high humidity levels of 85%. This month also sees significant rainfall, with an average precipitation of 287 mm (11.3 in) spread over 27 days. In contrast, January offers slightly cooler temperatures, with averages between 22°C (73°F) and 30°C (87°F), and much lower humidity at 70%. The rain is minimal in January, with only 32 mm (1.2 in) of precipitation over just 7 days. For more insights on January weather in Aluva, refer to Aluva weather in January.

September and February present contrasting weather conditions in Aluva. In September, temperatures range from a minimum of 24°C (75°F) to a maximum of 29°C (84°F), accompanied by high humidity levels of 85% and frequent rainfall, with about 287 mm (11.3 inches) falling over 27 days. In contrast, February enjoys milder and drier weather, with temperatures varying from a minimum of 23°C (74°F) to a maximum of 31°C (88°F). The month sees significantly lower precipitation of just 18 mm (0.7 inches) over only 6 days, and the humidity drops to a comfortable 64%. For more detailed insights on February weather in Aluva, visit Aluva weather in February.

In comparing the weather between September and March, one can observe notable differences. September tends to be warm and humid, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 29°C (84°F). However, it is also characterized by heavy rainfall, receiving 287 mm (11.3 in) over 27 days and a high humidity level of 85%. In contrast, March experiences slightly warmer temperatures, with a minimum of 25°C (77°F) and a maximum of 32°C (89°F). Precipitation is significantly lower in March, totaling just 86 mm (3.4 in) over 17 days, and the humidity drops to a more comfortable 66%. For more details about the climate during March, you can visit Aluva weather in March.

September and April present contrasting weather patterns. In September, temperatures range from a minimum of 24°C (75°F) to a maximum of 29°C (84°F) with an average of 26°C (79°F). However, this month sees significant rainfall, with 287 mm (11.3 in) spread over 27 days and a high humidity level of 85%. In contrast, April offers slightly warmer temperatures, with a minimum of 25°C (77°F) and a maximum of 31°C (89°F), averaging 28°C (83°F). Precipitation is notably lower at 174 mm (6.8 in), also spread across 27 days, alongside a much more comfortable humidity level of 71%. For more details on April weather specifics, you can visit Aluva weather in April.

When comparing the weather in September and May, one can observe some notable differences. September features temperatures ranging from a minimum of 24°C (75°F) to a maximum of 29°C (84°F), with an average of 26°C (79°F). However, it also experiences significant rainfall, accumulating 287 mm (11.3 in) over 27 days and maintaining high humidity at 85%. In contrast, May tends to be slightly warmer, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 31°C (88°F) and an average of 28°C (82°F). Though May is generally drier, it still sees considerable rainfall at 398 mm (15.7 in) over 30 days, with humidity at a lower level of 77%. For more detailed insights into the conditions during this month, refer to Aluva weather in May.

September and June in Aluva share similar temperature profiles, with both months featuring a minimum temperature of 24°C (75°F) and an average temperature around 26°C (79°F). However, June typically experiences heavier rainfall, with a total precipitation of 527 mm (20.7 in) spread over 30 days compared to September's 287 mm (11.3 in) over 27 days. This results in a slightly more humid environment in June, although both months are quite humid, averaging around 83% in June and 85% in September. For a more detailed overview, you can check Aluva weather in June.

When comparing the weather in September and July, we observe some notable similarities and differences. Both months have similar temperature ranges, with September featuring a minimum of 24°C (75°F), an average of 26°C (79°F), and a maximum of 29°C (84°F), while July's temperatures vary slightly with a minimum of 24°C (76°F), an average of 26°C (79°F), and a maximum of 28°C (83°F). However, July experiences significantly more rainfall, with a total precipitation of 466 mm (18.4 in) over 30 days compared to September's 287 mm (11.3 in) over 27 days. Additionally, humidity levels are slightly higher in July at 86%, compared to 85% in September. For those interested in more details about July's weather specifically, you can visit Aluva weather in July.

In comparing the weather of September and August, September shows slightly warmer conditions with minimum temperatures at 24°C (75°F) and maximums reaching 29°C (84°F), while August has a minimum of 23°C (74°F) and a maximum of 28°C (82°F). Both months have similar average temperatures, around 26°C (78°F-79°F). However, September experiences significantly less rainfall, with 287 mm (11.3 in) over 27 days compared to August's 515 mm (20.3 in) across 29 days. Humidity remains high in both months, at 85% for September and 87% for August, making the latter slightly more humid. For more details on the weather specifics, you can check Aluva weather in August.

September and October in Aluva showcase a transition with slightly varying weather patterns. In September, temperatures range from a minimum of 24°C (75°F) to a maximum of 29°C (84°F), with an average of 26°C (79°F). The month is marked by significant precipitation, totaling 287 mm (11.3 in) over 27 days, along with high humidity at 85%. In contrast, October sees similar average temperatures (26°C or 80°F) but features a warmer maximum of 31°C (87°F) and increased rainfall, accumulating to 344 mm (13.5 in) also over 27 days, while humidity remains slightly lower at 84%. For more details, you can check Aluva weather in October.

In comparing the weather between September and November, both months experience warm temperatures, with September's average ranging from a minimum of 24°C (75°F) to a maximum of 29°C (84°F), and November seeing slightly higher averages of 24°C (76°F) to 31°C (88°F). Although September is characterized by heavier rainfall, with 287 mm (11.3 inches) spread over 27 days, November features less precipitation at 216 mm (8.5 inches) over 22 days. The humidity remains relatively high in both months, with September at 85% and November slightly lower at 83%. For more detailed insights on November weather, you can check Aluva weather in November.

In September, the weather is characterized by slightly cooler temperatures, with an average of 26°C (79°F) and maximums reaching 29°C (84°F). However, this month experiences significant rainfall, totaling 287 mm (11.3 in) over 27 days, along with high humidity levels of 85%. In contrast, December sees warmer temperatures, with an average of 27°C (81°F) and highs reaching 31°C (88°F), but the precipitation drastically decreases to 59 mm (2.3 in) spread over only 10 days, and humidity drops to 80%. This shift results in a much drier and warmer climate in December compared to the wet and humid September. For more detailed insights on conditions during this month, check out Aluva weather in December.

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Conclusion: What to Expect From September Weather in Aluva

As September rolls in, Aluva experiences a notable transition in weather patterns compared to the preceding months. Temperatures remain comfortably warm, averaging around 26°C (79°F), but heightened humidity at 85% combined with significant rainfall—averaging 287 mm (11.3 in) across nearly 27 days—creates a lush, tropical atmosphere. This month’s frequent showers not only stand out against the drier conditions of the summer but also foster the vibrancy of local flora, making Aluva an enchanting sight. Discover more about the unique climate characteristics throughout the year by visiting Aluva Climate.