September weather forecastAnna Nagar West, India
September
Weather in September
September, the last month of the rainy (monsoon) season in Anna Nagar West, is also a hot month, with an average temperature ranging between max 32.9°C (91.2°F) and min 26.9°C (80.4°F).Temperature
August's transformation into September witnesses an average high-temperature of a still tropical 32.9°C (91.2°F), noting a minor change from the preceding month. Anna Nagar West experiences an average temperature drop to a warm 26.9°C (80.4°F) during September nights.Heat index
September's average heat index is estimated at a scorching 43°C (109.4°F). Eyes open: Heat cramps and heat exhaustion are expected. Prolonged exertion could lead to heatstroke.Data suggests that the heat index is set for environments in shade and with a light wind. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
Humidity
The average relative humidity in September is 69%.Rainfall
In Anna Nagar West, in September, it is raining for 23.9 days, with typically 92mm (3.62") of accumulated precipitation. Throughout the year, there are 154.8 rainfall days, and 735mm (28.94") of precipitation is accumulated.Daylight
In Anna Nagar West, the average length of the day in September is 12h and 12min.On the first day of September in Anna Nagar West, 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 Anna Nagar West, India, the average sunshine in September is 10.6h.UV index
In September, the average daily maximum UV index in Anna Nagar West, India, is 7. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 7 in September translates into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Anna Nagar West, India
- Average high temperature in September: 32.9°C
The warmest month (with the highest average high temperature) is May (37.2°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 (29.5°C).
The coldest month (with the lowest average low temperature) is January (22.3°C).
Average pressure in September
Anna Nagar West, India
- Average pressure in September: 1006.7mbar
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
Anna Nagar West, India
- Average wind speed in September: 12.1km/h
The windiest month (with the highest average wind speed) is May (16.8km/h).
The calmest month (with the lowest average wind speed) is October (11.3km/h).
Average humidity in September
Anna Nagar West, India
- Average humidity in September: 69%
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
Anna Nagar West, India
- Average rainfall in September: 92mm
The wettest month (with the highest rainfall) is November (185mm).
The driest month (with the least rainfall) is February (6mm).
Average rainfall days in September
Anna Nagar West, India
- Average rainfall days in September: 23.9 days
The month with the highest number of rainy days is September (23.9 days).
The month with the least rainy days is February (3.4 days).
Average daylight in September /
Average sunshine in September
Anna Nagar West, 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 36min
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
Anna Nagar West, India
- Average sunshine days in September: 5.5 days
The month with the most sunshine days is March (25.7 days).
The month with the least sunshine days is September (5.5 days).
Average UV index in September
Anna Nagar West, 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, October, November and December (UV index 6).
Average cloud cover in September
Anna Nagar West, India
- Average cloud cover in September: 37
The month with the most cloud cover is August (Cloud cover 41).
The months with the least cloud cover are March and April (Cloud cover 13).
Average visibility in September
Anna Nagar West, 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).
