September weather forecast
Nagercoil, India

September, the last month of the rainy (monsoon) season in Nagercoil, is also a moderately hot month, with an average temperature ranging between max 29.2°C (84.6°F) and min 24.9°C (76.8°F).

Temperature

The shift into September uncovers an average high-temperature of a still moderately hot 29.2°C (84.6°F), maintaining the same temperature as the previous month. During the month of September, Nagercoil identifies an average nighttime low-temperature of 24.9°C (76.8°F), slightly lower than its daytime counterpart.

Heat index

In September, the average heat index is calculated to be a sweltering 35°C (95°F). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
Research indicates the heat index considers values in shaded locales and with light winds. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.

Humidity

The most humid month is September, with an average relative humidity of 78%.

Rainfall

In Nagercoil, during September, the rain falls for 15.6 days and regularly aggregates up to 60mm (2.36") of precipitation. In Nagercoil, during the entire year, the rain falls for 194.3 days and collects up to 837mm (32.95") of precipitation.

Daylight

In Nagercoil, the average length of the day in September is 12h and 10min.
On the first day of the month, sunrise is at 6:12 am and sunset at 6:28 pm. On the last day of September, in Nagercoil, sunrise is at 6:08 am and sunset at 6:11 pm IST.

Sunshine

The average sunshine in September in Nagercoil is 9h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Nagercoil, India. The months with the lowest UV index in Nagercoil are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: An average UV index of 7 in September transforms into this advice:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.