September weather forecastIndore, India

Weather in September

September signals the departure of the monsoon season in Indore, with a significant reduction in rainfall. The city starts warming up again, and there is a noticeable reduction in daily cloud coverage and relative humidity. The weather conditions remain warm, coupled with lower rainfall, signifying the transition towards post-monsoon season. Though rainfall significantly reduces to 93mm (3.66") from 199mm (7.83") in August, September in Indore is still considered under the influence of the retreating monsoon.

Temperature

Indore records an average high-temperature of a still warm 29.8°C (85.6°F) in September, maintaining a close correlation with August's 28.4°C (83.1°F). Indore reports a consistent average low-temperature of 21.9°C (71.4°F) throughout September nights.

Heat index

September's average heat index is estimated at a fiery hot 37°C (98.6°F). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

The average relative humidity in September is 78%.

Rainfall

In Indore, India, in September, it is raining for 15.3 days, with typically 93mm (3.66") of accumulated precipitation. Throughout the year, in Indore, there are 93.6 rainfall days, and 615mm (24.21") of precipitation is accumulated.

Daylight

In Indore, the average length of the day in September is 12h and 17min.
On the first day of the month, sunrise is at 6:09 am and sunset at 6:43 pm. On the last day of September, sunrise is at 6:17 am and sunset at 6:15 pm IST.

Sunshine

The average sunshine in September in Indore is 8h.

UV index

In September, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In September, a regular UV index of 7 translates into these guidelines:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.