September weather forecast
Chettikulam, India

September

Weather in September

September, the last month of the rainy (monsoon) season in Chettikulam, is another warm month, with an average temperature fluctuating between 24.9°C (76.8°F) and 29.2°C (84.6°F).

Temperature

With the onset of September, Chettikulam's average high-temperature clocks in at a still moderately hot 29.2°C (84.6°F), showing a minor fluctuation from the previous month. Chettikulam, in the month of September, notes an average low temperature of 24.9°C (76.8°F), indicating a small decrease from the daytime highs.

Heat index

The heat index value for September is calculated to be a torrid 35°C (95°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

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

Rainfall

In Chettikulam, in September, during 15.6 rainfall days, 60mm (2.36") of precipitation is typically accumulated. In Chettikulam, during the entire year, the rain falls for 194.3 days and collects up to 837mm (32.95") of precipitation.

Daylight

In Chettikulam, the average length of the day in September is 12h and 10min.
On the first day of September in Chettikulam, sunrise is at 6:11 am and sunset at 6:27 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 6:11 pm IST.

Sunshine

In Chettikulam, the average sunshine in September is 9h.

UV index

The months with the highest UV index in Chettikulam are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Chettikulam, India, are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 7 in September transforms into the following instructions:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Frequently asked questions

How hot does it get in Chettikulam in September?
Chettikulam in September has an average high-temperature of 29.2°C (84.6°F) and an average low-temperature of 24.9°C (76.8°F). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 35°C (95°F).
What is the most humid month in Chettikulam?
With an average relative humidity of 78%, September is the most humid month in Chettikulam, India.
What is the average humidity in September in Chettikulam?
The average relative humidity in September is 78%.
How many days does it rain in September in Chettikulam?
In Chettikulam, in September, during 15.6 rainfall days, 60mm (2.36") of precipitation is typically accumulated.
How many hours of daylight does Chettikulam have in September?
In Chettikulam, India, the average day length in September is 12h and 10min.
When are sunrise and sunset in September in Chettikulam?
In September, on the first day of the month, sunrise is at 6:11 am and sunset at 6:27 pm. On the last day of the month, in Chettikulam, sunrise is at 6:07 am and sunset at 6:11 pm IST.
How many hours of sunshine does Chettikulam have in September?
In September, the average sunshine duration in Chettikulam is 9h.
What is the month with the highest UV index in Chettikulam?
The months with the highest UV index are January through December, with an average maximum UV index of 7.
What are the months with the lowest UV index in Chettikulam?
The months with the lowest UV index in Chettikulam, India, are January through December, with an average maximum UV index of 7.
What is the UV index intensity in September in Chettikulam?
In Chettikulam, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Chettikulam, India
  • Average high temperature in September: 29.2°C

The warmest month (with the highest average high temperature) is April (31.3°C).
The month with the lowest average high temperature is December (28.5°C).

  • Average low temperature in September: 24.9°C

The month with the highest average low temperature is May (27°C).
The coldest month (with the lowest average low temperature) is January (23.1°C).

Average pressure in September
Chettikulam, India
  • Average pressure in September: 1009.3mbar

The month with the highest atmospheric pressure is January (1011.9mbar).
The month with the lowest atmospheric pressure is May (1008mbar).

Average wind speed in September
Chettikulam, India
  • Average wind speed in September: 22.5km/h

The windiest month (with the highest average wind speed) is July (26.6km/h).
The calmest month (with the lowest average wind speed) is March (12.6km/h).

Average humidity in September
Chettikulam, India
  • Average humidity in September: 78%

The month with the highest relative humidity is September (78%).
The month with the lowest relative humidity is February (70%).

Average rainfall in September
Chettikulam, India
  • Average rainfall in September: 60mm

The wettest month (with the highest rainfall) is October (146mm).
The driest month (with the least rainfall) is January (11mm).

Average rainfall days in September
Chettikulam, India
  • Average rainfall days in September: 15.6 days

The month with the highest number of rainy days is April (24.4 days).
The months with the least rainy days are January and February (6.5 days).

Average daylight in September /
Average sunshine in September
Chettikulam, India
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 42min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is February (Average sunshine: 9h and 42min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).

Average sunshine days in September
Chettikulam, India
  • Average sunshine days in September: 11.3 days

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is April (2.2 days).

Average UV index in September
Chettikulam, India
  • Average UV index in September: 7

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).

Average cloud cover in September
Chettikulam, India
  • Average cloud cover in September: 33

The month with the most cloud cover is November (Cloud cover 40).
The month with the least cloud cover is February (Cloud cover 14).

Average visibility in September
Chettikulam, India
  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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