September weather forecastIrinjalakuda, India

Weather in September

September, the last month of the rainy (monsoon) season in Irinjalakuda, is also a moderately hot month, with an average temperature fluctuating between 23.3°C (73.9°F) and 28.8°C (83.8°F).

Temperature

The average high-temperature during September is a still moderately hot 28.8°C (83.8°F), almost matching the conditions of the preceding month. Irinjalakuda witnesses a consistent average low-temperature of 23.3°C (73.9°F) throughout September.

Heat index

September's mean heat index is calculated to be a fiery hot 35°C (95°F). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gives an indication of how one might feel in terms of heat after considering humidity. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

The average relative humidity in September is 85%.

Rainfall

In Irinjalakuda, India, during September, the rain falls for 25.7 days and regularly aggregates up to 188mm (7.4") of precipitation. Throughout the year, there are 252.6 rainfall days, and 2037mm (80.2") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 11min.
On the first day of September in Irinjalakuda, sunrise is at 6:15 am and sunset at 6:34 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 6:16 pm IST.

Sunshine

The average sunshine in September in Irinjalakuda is 7.3h.

UV index

May through October, with an average maximum UV index of 6, are months with the lowest UV index in Irinjalakuda. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.
Note: In September, a daily maximum UV index of 6 leads to the following instructions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.