September weather forecastSisauli, India
September
Weather in September
The last month of the rainy (monsoon) season, September, is another hot month in Sisauli, India, with an average temperature fluctuating between 23.6°C (74.5°F) and 33.3°C (91.9°F).Temperature
The average high-temperature during September registers at a still hot 33.3°C (91.9°F), closely corresponding to the preceding month. Throughout September, an average nighttime temperature of 23.6°C (74.5°F) is experienced in Sisauli.Heat index
For September, the heat index is computed to be an extremely hot 44°C (111.2°F). Be on the lookout: Heat cramps and heat exhaustion are anticipated. Continued exertion can result in heatstroke.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.
Humidity
The average relative humidity in September in Sisauli, India, is 69%.Rainfall
In Sisauli, in September, during 13.5 rainfall days, 93mm (3.66") of precipitation is typically accumulated. In Sisauli, during the entire year, the rain falls for 91.5 days and collects up to 454mm (17.87") of precipitation.Daylight
In September, the average length of the day in Sisauli is 12h and 20min.On the first day of the month, sunrise is at 5:57 am and sunset at 6:42 pm. On the last day of September, sunrise is at 6:12 am and sunset at 6:07 pm IST.
Sunshine
In Sisauli, the average sunshine in September is 9.2h.UV index
In September, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 7 during September translates into these guidelines:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. 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. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sisauli, India
- Average high temperature in September: 33.3°C
The warmest month (with the highest average high temperature) is June (42°C).
The month with the lowest average high temperature is January (20.3°C).
- Average low temperature in September: 23.6°C
The month with the highest average low temperature is June (29.3°C).
The coldest month (with the lowest average low temperature) is January (8.2°C).
Average pressure in September
Sisauli, India
- Average pressure in September: 1004.9mbar
The month with the highest atmospheric pressure is January (1017mbar).
The month with the lowest atmospheric pressure is June (998.2mbar).
Average wind speed in September
Sisauli, India
- Average wind speed in September: 7.8km/h
The windiest month (with the highest average wind speed) is April (10.9km/h).
The calmest month (with the lowest average wind speed) is October (6.6km/h).
Average humidity in September
Sisauli, India
- Average humidity in September: 69%
The month with the highest relative humidity is August (71%).
The month with the lowest relative humidity is May (21%).
Average rainfall in September
Sisauli, India
- Average rainfall in September: 93mm
The wettest month (with the highest rainfall) is August (129mm).
The driest month (with the least rainfall) is November (2mm).
Average rainfall days in September
Sisauli, India
- Average rainfall days in September: 13.5 days
The months with the highest number of rainy days are July and August (21 days).
The month with the least rainy days is November (1.2 days).
Average daylight in September /
Average sunshine in September
Sisauli, India
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in September: 9h and 12min
The month with the most sunshine is May (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 7h and 12min).
Average sunshine days in September
Sisauli, India
- Average sunshine days in September: 15 days
The month with the most sunshine days is December (29.4 days).
The month with the least sunshine days is August (8.1 days).
Average UV index in September
Sisauli, India
- Average UV index in September: 7
The month with the highest UV index is June (UV index 9).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in September
Sisauli, India
- Average cloud cover in September: 25
The month with the most cloud cover is August (Cloud cover 37).
The month with the least cloud cover is October (Cloud cover 5).
Average visibility in September
Sisauli, 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).
