September weather forecastBehala, India
September
Weather in September
The last month of the rainy (monsoon) season, September, is also a hot month in Behala, India, with an average temperature varying between 32.1°C (89.8°F) and 25.9°C (78.6°F).Temperature
September's onset brings an average high-temperature of a still tropical 32.1°C (89.8°F), showing a minute difference from August's 32.8°C (91°F). In the month of September, Behala witnesses a consistent average low-temperature of 25.9°C (78.6°F).Heat index
In September, the average heat index is calculated to be a blazing hot 45°C (113°F). Heed: Expect heat cramps and heat exhaustion. Continued action may cause heatstroke.Bear in mind that the heat index values are determined for shaded areas and light breezes. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', joins air temperature with relative humidity to produce a temperature perception for humans. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.
Humidity
With an average relative humidity of 81%, September is the most humid month.Rainfall
In Behala, in September, during 18.9 rainfall days, 32mm (1.26") of precipitation is typically accumulated. In Behala, during the entire year, the rain falls for 110.7 days and collects up to 239mm (9.41") of precipitation.Daylight
The average length of the day in September is 12h and 17min.On the first day of the month, sunrise is at 5:19 am and sunset at 5:53 pm. On the last day of September, sunrise is at 5:27 am and sunset at 5:25 pm IST.
Sunshine
The average sunshine in September in Behala is 7.6h.UV index
In Behala, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 7 suggests these recommendations:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Behala, India
- Average high temperature in September: 32.1°C
The warmest month (with the highest average high temperature) is April (38.8°C).
The month with the lowest average high temperature is December (27.2°C).
- Average low temperature in September: 25.9°C
The month with the highest average low temperature is June (29°C).
The coldest month (with the lowest average low temperature) is January (15.9°C).
Average pressure in September
Behala, India
- Average pressure in September: 1005.1mbar
The month with the highest atmospheric pressure is January (1015.4mbar).
The month with the lowest atmospheric pressure is July (1000mbar).
Average wind speed in September
Behala, India
- Average wind speed in September: 9.6km/h
The windiest month (with the highest average wind speed) is May (16.4km/h).
The calmest months (with the lowest average wind speed) are October and November (7.8km/h).
Average humidity in September
Behala, India
- Average humidity in September: 81%
The month with the highest relative humidity is September (81%).
The month with the lowest relative humidity is February (43%).
Average rainfall in September
Behala, India
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is August (57mm).
The driest months (with the least rainfall) are January and December (1mm).
Average rainfall days in September
Behala, India
- Average rainfall days in September: 18.9 days
The month with the highest number of rainy days is August (22.7 days).
The month with the least rainy days is December (0.9 days).
Average daylight in September /
Average sunshine in September
Behala, India
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).
- Average sunshine in September: 7h and 36min
The month with the most sunshine is May (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).
Average sunshine days in September
Behala, India
- Average sunshine days in September: 7 days
The month with the most sunshine days is January (29.8 days).
The months with the least sunshine days are July and August (4.8 days).
Average UV index in September
Behala, India
- Average UV index in September: 7
The months with the highest UV index are March, April, May and June (UV index 8).
The months with the lowest UV index are January, October, November and December (UV index 6).
Average cloud cover in September
Behala, India
- Average cloud cover in September: 43
The month with the most cloud cover is July (Cloud cover 55).
The month with the least cloud cover is January (Cloud cover 7).
Average visibility in September
Behala, India
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The months with the lowest visibility are July, August, September and October (9km).
