September weather forecastKalyan, India

Weather in September

September ushers in an easing of the monsoon season in Kalyan, India, characterised by a marked decrease in various weather parameters. Rainfall drops substantially to 130mm (5.12"), delineating a prominent shift from August. However, the persistence of the city's high humidity levels ensures that the weather remains relatively damp. September’s significant reduction in cloud coverage manifests itself in more sunshine hours per day. October, on the other hand, welcomes a shift towards drier conditions and more sunshine hours.

Temperature

September's onset sees an average high-temperature of a still warm 29.5°C (85.1°F), exhibiting a slight fluctuation from the previous month. Kalyan's average low-temperature in September is measured at a still moderately hot 23.5°C (74.3°F).

Heat index

During September, the heat index is appraised at a fiery hot 37°C (98.6°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial 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 physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.

Humidity

The average relative humidity in September is 85%.

Rainfall

In September, in Kalyan, India, the rain falls for 23.8 days. Throughout September, 130mm (5.12") of precipitation is accumulated. In Kalyan, India, during the entire year, the rain falls for 138.3 days and collects up to 1253mm (49.33") of precipitation.

Daylight

The average length of the day in September in Kalyan is 12h and 15min.
On the first day of the month, sunrise is at 6:22 am and sunset at 6:52 pm. On the last day of September, in Kalyan, sunrise is at 6:27 am and sunset at 6:26 pm IST.

Sunshine

In Kalyan, the average sunshine in September is 7h.

UV index

In Kalyan, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 7 in September translates into the following instructions:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.