September weather forecastAluva, India

September

Weather in September

September, the last month of the rainy (monsoon) season in Aluva, is also a moderately hot month, with an average temperature varying between 29.2°C (84.6°F) and 24.6°C (76.3°F).

Temperature

Aluva's shift into September is marked by a subtle change to a still warm 29.2°C (84.6°F) from August's 28.7°C (83.7°F) in temperature. In Aluva, the nighttime temperature shows a slight difference from the daytime high, averaging to a still moderately hot 24.6°C (76.3°F) during September.

Heat index

Throughout September, the heat index is appraised at a sweltering 36°C (96.8°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
In the scope of the heat index, its values resonate with shade and light wind conditions. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.

Humidity

In Aluva, India, the average relative humidity in September is 81%.

Rainfall

In Aluva, in September, during 25.3 rainfall days, 204mm (8.03") of precipitation is typically accumulated. Throughout the year, in Aluva, India, there are 250.9 rainfall days, and 2115mm (83.27") of precipitation is accumulated.

Daylight

In Aluva, the average length of the day in September is 12h and 11min.
On the first day of the month, sunrise is at 6:15 am and sunset at 6:33 pm. On the last day of September, in Aluva, India, sunrise is at 6:13 am and sunset at 6:15 pm IST.

Sunshine

The average sunshine in September in Aluva is 8.1h.

UV index

January through May, September through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: An average maximum UV index of 7 in September leads to these recommendations:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

Aluva in September has an average high-temperature of 29.2°C (84.6°F) and an average low-temperature of 24.6°C (76.3°F). The average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, in September is appraised at 36°C (96.8°F).

In September, the average relative humidity in Aluva, India, is 81%.

In Aluva, India, in September, it is raining for 25.3 days, with typically 204mm (8.03") of accumulated precipitation.

In Aluva, the average day length in September is 12h and 11min.

In September, on the first day of the month, sunrise is at 6:15 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 6:15 pm IST.

In September, the average sunshine duration in Aluva is 8.1h.

The months with the highest UV index are January through May, September through December, with an average maximum UV index of 7.

In September, the average daily maximum UV index in Aluva is 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Aluva, India

  • Average high temperature in September: 29.2°C

The warmest months (with the highest average high temperature) are March and April (32.5°C).
The month with the lowest average high temperature is July (28.6°C).

  • Average low temperature in September: 24.6°C

The month with the highest average low temperature is May (26.8°C).
The coldest month (with the lowest average low temperature) is January (22.9°C).

Average pressure in September
Aluva, India

  • Average pressure in September: 1009.5mbar

The month with the highest atmospheric pressure is January (1012.1mbar).
The month with the lowest atmospheric pressure is May (1008.2mbar).

Average wind speed in September
Aluva, India

  • Average wind speed in September: 9.4km/h

The windiest months (with the highest average wind speed) are July and August (10.6km/h).
The calmest month (with the lowest average wind speed) is November (7.7km/h).

Average humidity in September
Aluva, India

  • Average humidity in September: 81%

The months with the highest relative humidity are July and August (82%).
The months with the lowest relative humidity are January and February (70%).

Average rainfall in September
Aluva, India

  • Average rainfall in September: 204mm

The wettest month (with the highest rainfall) is June (453mm).
The driest month (with the least rainfall) is January (10mm).

Average rainfall days in September
Aluva, India

  • Average rainfall days in September: 25.3 days

The month with the highest number of rainy days is July (30.3 days).
The month with the least rainy days is January (6.7 days).

Average daylight in September /
Average sunshine in September
Aluva, India

  • Average daylight in September: 12h and 12min

The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).

  • Average sunshine in September: 8h and 6min

The month with the most sunshine is February (Average sunshine: 9h and 54min).
The month with the least sunshine is June (Average sunshine: 6h and 54min).

Average sunshine days in September
Aluva, India

  • Average sunshine days in September: 3.2 days

The month with the most sunshine days is January (22.3 days).
The months with the least sunshine days are June and July (0.3 days).

Average UV index in September
Aluva, India

  • Average UV index in September: 7

The months with the highest UV index are January, February, March, April, May, September, October, November and December (UV index 7).
The months with the lowest UV index are June, July and August (UV index 6).

Average cloud cover in September
Aluva, India

  • Average cloud cover in September: 47

The month with the most cloud cover is June (Cloud cover 56).
The month with the least cloud cover is February (Cloud cover 15).

Average visibility in September
Aluva, India

  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, April, May, November and December (10km).
The months with the lowest visibility are June, July, August, September and October (9km).