September weather forecast
Karnal, India

September, the last month of the rainy (monsoon) season in Karnal, is also a hot month, with an average temperature fluctuating between 23.5°C (74.3°F) and 33.5°C (92.3°F).

Temperature

As Karnal, India, steps into September, the average high-temperature is measured at a still hot 33.5°C (92.3°F), displaying minor differences from August's 34.8°C (94.6°F). In Karnal, September nights cool down to an average of 23.5°C (74.3°F).

Heat index

For September, the heat index is calculated to be a blistering 44°C (111.2°F). Eyes open: Heat cramps and heat exhaustion are expected. Prolonged exertion could lead to heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.

Humidity

The average relative humidity in September in Karnal, India, is 67%.

Rainfall

In Karnal, during September, the rain falls for 13.4 days and regularly aggregates up to 96mm (3.78") of precipitation. In Karnal, during the entire year, the rain falls for 93.2 days and collects up to 442mm (17.4") of precipitation.

Daylight

In Karnal, India, the average length of the day in September is 12h and 20min.
On the first day of the month, sunrise is at 5:59 am and sunset at 6:44 pm. On the last day of September, in Karnal, India, sunrise is at 6:14 am and sunset at 6:08 pm IST.

Sunshine

In Karnal, the average sunshine in September is 9.1h.

UV index

The average daily maximum UV index in September in Karnal is 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In September, a daily maximum UV index of 7 leads to the following instructions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.