September weather forecastNanmangalam, India

September

Weather in September

The last month of the rainy (monsoon) season, September, is another hot month in Nanmangalam, India, with an average temperature varying between 32.9°C (91.2°F) and 26.9°C (80.4°F).

Temperature

The shift into September records an average high-temperature of a still hot 32.9°C (91.2°F), subtly varied from August's 33.5°C (92.3°F). An average minimum temperature of 26.9°C (80.4°F) is recorded during the month of September.

Heat index

For most parts of September, the heat index is calculated to be a scorching 43°C (109.4°F). Vigilance: Heat cramps and heat exhaustion are likely. The likelihood of heatstroke increases with continued activity.
Keep in mind the heat index values are meant for areas in shade and with light wind. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.

Humidity

The average relative humidity in September in Nanmangalam is 70%.

Rainfall

In Nanmangalam, India, during September, the rain falls for 25 days and regularly aggregates up to 104mm (4.09") of precipitation. In Nanmangalam, during the entire year, the rain falls for 169.2 days and collects up to 825mm (32.48") of precipitation.

Daylight

The average length of the day in September in Nanmangalam is 12h and 12min.
On the first day of September, sunrise is at 5:58 am and sunset at 6:20 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 5:59 pm IST.

Sunshine

In September, the average sunshine is 10.5h.

UV index

In Nanmangalam, India, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In September, the maximum UV index of 7 translates into these guidelines:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. 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. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.

Frequently asked questions

September temperatures vary between a high-temperature of 32.9°C (91.2°F) and a low-temperature of 26.9°C (80.4°F). The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in September is calculated to be 43°C (109.4°F).

The average relative humidity in September is 70%.

In Nanmangalam, in September, during 25 rainfall days, 104mm (4.09") of precipitation is typically accumulated.

In September, the average day length is 12h and 12min.

On the first day of September, sunrise is at 5:58 am and sunset at 6:20 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 5:59 pm IST.

In Nanmangalam, India, the average sunshine duration in September is 10.5h.

In September, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
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 sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Nanmangalam, India

  • Average high temperature in September: 32.9°C

The warmest month (with the highest average high temperature) is May (36.8°C).
The month with the lowest average high temperature is December (27.9°C).

  • Average low temperature in September: 26.9°C

The month with the highest average low temperature is May (29.4°C).
The coldest month (with the lowest average low temperature) is January (22.6°C).

Average pressure in September
Nanmangalam, India

  • Average pressure in September: 1006.8mbar

The month with the highest atmospheric pressure is January (1013.6mbar).
The month with the lowest atmospheric pressure is June (1004.2mbar).

Average wind speed in September
Nanmangalam, India

  • Average wind speed in September: 12.6km/h

The windiest month (with the highest average wind speed) is May (17.3km/h).
The calmest month (with the lowest average wind speed) is October (11.6km/h).

Average humidity in September
Nanmangalam, India

  • Average humidity in September: 70%

The months with the highest relative humidity are November and December (76%).
The month with the lowest relative humidity is June (58%).

Average rainfall in September
Nanmangalam, India

  • Average rainfall in September: 104mm

The wettest month (with the highest rainfall) is November (191mm).
The driest month (with the least rainfall) is February (6mm).

Average rainfall days in September
Nanmangalam, India

  • Average rainfall days in September: 25 days

The month with the highest number of rainy days is September (25 days).
The month with the least rainy days is February (3.4 days).

Average daylight in September /
Average sunshine in September
Nanmangalam, India

  • Average daylight in September: 12h and 12min

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).

  • Average sunshine in September: 10h and 30min

The month with the most sunshine is May (Average sunshine: 11h and 48min).
The months with the least sunshine are November and December (Average sunshine: 6h and 12min).

Average sunshine days in September
Nanmangalam, India

  • Average sunshine days in September: 3.5 days

The month with the most sunshine days is March (25.8 days).
The month with the least sunshine days is September (3.5 days).

Average UV index in September
Nanmangalam, India

  • Average UV index in September: 7

The months with the highest UV index are April, May, June and July (UV index 8).
The months with the lowest UV index are January, November and December (UV index 6).

Average cloud cover in September
Nanmangalam, India

  • Average cloud cover in September: 38

The month with the most cloud cover is August (Cloud cover 42).
The months with the least cloud cover are March and April (Cloud cover 13).

Average visibility in September
Nanmangalam, 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).