September weather forecastSiyana, India
September
Weather in September
September, the last month of the rainy (monsoon) season in Siyana, is another hot month, with temperature in the range of an average low of 24.8°C (76.6°F) and an average high of 33.5°C (92.3°F).Temperature
Siyana in September witnesses an average high-temperature of a still hot 33.5°C (92.3°F), indicating a slight variation from August's 34.4°C (93.9°F). Siyana observes an average low-temperature of 24.8°C (76.6°F) during September nights.Heat index
In September, the heat index is appraised at a blisteringly hot 43°C (109.4°F). Alert: Heat cramps and heat exhaustion are likely to occur. Prolonged exertion can lead to heatstroke.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
The average relative humidity in September is 66%.Rainfall
In Siyana, during September, the rain falls for 11.5 days and regularly aggregates up to 28mm (1.1") of precipitation. In Siyana, during the entire year, the rain falls for 76.2 days and collects up to 204mm (8.03") of precipitation.Daylight
The average length of the day in September is 12h and 20min.On the first day of the month, sunrise is at 5:56 am and sunset at 6:39 pm. On the last day of September, sunrise is at 6:10 am and sunset at 6:04 pm IST.
Sunshine
In September, the average sunshine is 9.3h.UV index
The average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index, 7 in September, converts into the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Siyana, India
- Average high temperature in September: 33.5°C
The warmest months (with the highest average high temperature) are May and June (42.2°C).
The month with the lowest average high temperature is January (21°C).
- Average low temperature in September: 24.8°C
The month with the highest average low temperature is June (31.1°C).
The coldest month (with the lowest average low temperature) is January (9°C).
Average pressure in September
Siyana, India
- Average pressure in September: 1003.8mbar
The month with the highest atmospheric pressure is January (1016.7mbar).
The month with the lowest atmospheric pressure is June (997mbar).
Average wind speed in September
Siyana, India
- Average wind speed in September: 8.4km/h
The windiest month (with the highest average wind speed) is April (11.2km/h).
The calmest month (with the lowest average wind speed) is October (6.9km/h).
Average humidity in September
Siyana, India
- Average humidity in September: 66%
The month with the highest relative humidity is August (71%).
The month with the lowest relative humidity is May (20%).
Average rainfall in September
Siyana, India
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is July (65mm).
The driest month (with the least rainfall) is November (1mm).
Average rainfall days in September
Siyana, India
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (19.9 days).
The month with the least rainy days is December (0.8 days).
Average daylight in September /
Average sunshine in September
Siyana, India
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is May (Average sunshine: 12h and 12min).
The month with the least sunshine is January (Average sunshine: 7h and 18min).
Average sunshine days in September
Siyana, India
- Average sunshine days in September: 16 days
The month with the most sunshine days is December (30 days).
The month with the least sunshine days is August (8.9 days).
Average UV index in September
Siyana, India
- Average UV index in September: 7
The month with the highest UV index is May (UV index 9).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in September
Siyana, India
- Average cloud cover in September: 27
The month with the most cloud cover is August (Cloud cover 41).
The months with the least cloud cover are May, October and November (Cloud cover 6).
Average visibility in September
Siyana, India
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (10km).
The months with the lowest visibility are August and September (9km).
