September weather forecastHaputale, Sri Lanka
September
Weather in September
September, the first month of the autumn in Haputale, is still a warm month, with an average temperature ranging between min 21.1°C (70°F) and max 29.5°C (85.1°F).Temperature
Haputale's shift from August to September is accompanied by an average high-temperature of a still moderately hot 29.5°C (85.1°F), a slight deviation from 29.2°C (84.6°F). Throughout the month of September, Haputale reports a steady low-temperature average of 21.1°C (70°F).Heat index
September's mean heat index is evaluated at a fiery hot 35°C (95°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.Be aware that heat index ratings are designed for shaded locations and minor breezes. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. Rising body temperatures due to excess heat retention could signify impending heat disorders.
Humidity
The average relative humidity in September in Haputale is 77%.Rainfall
In Haputale, in September, it is raining for 23.4 days, with typically 118mm (4.65") of accumulated precipitation. Throughout the year, in Haputale, there are 278.4 rainfall days, and 1466mm (57.72") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 10min.On the first day of the month, sunrise is at 05:58 and sunset at 18:13. On the last day of September, in Haputale, sunrise is at 05:54 and sunset at 17:58 +0530.
Sunshine
In September, the average sunshine in Haputale, Sri Lanka, is 10.3h.UV index
January through September, November and December, with an average maximum UV index of 6, are months with the highest UV index in Haputale. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 6 in September leads to these recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Haputale, Sri Lanka
- Average high temperature in September: 29.5°C
The warmest month (with the highest average high temperature) is March (31.5°C).
The month with the lowest average high temperature is December (27.5°C).
- Average low temperature in September: 21.1°C
The months with the highest average low temperature are May and June (21.8°C).
The coldest month (with the lowest average low temperature) is February (18.1°C).
Average pressure in September
Haputale, Sri Lanka
- Average pressure in September: 1009.3mbar
The month with the highest atmospheric pressure is January (1011.8mbar).
The month with the lowest atmospheric pressure is June (1008.1mbar).
Average wind speed in September
Haputale, Sri Lanka
- Average wind speed in September: 10.8km/h
The windiest month (with the highest average wind speed) is June (13.5km/h).
The calmest month (with the lowest average wind speed) is April (4.7km/h).
Average humidity in September
Haputale, Sri Lanka
- Average humidity in September: 77%
The month with the highest relative humidity is December (84%).
The month with the lowest relative humidity is March (74%).
Average rainfall in September
Haputale, Sri Lanka
- Average rainfall in September: 118mm
The wettest month (with the highest rainfall) is October (301mm).
The driest month (with the least rainfall) is January (38mm).
Average rainfall days in September
Haputale, Sri Lanka
- Average rainfall days in September: 23.4 days
The month with the highest number of rainy days is May (28.6 days).
The month with the least rainy days is January (14.1 days).
Average daylight in September /
Average sunshine in September
Haputale, Sri Lanka
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 42min).
- Average sunshine in September: 10h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in September
Haputale, Sri Lanka
- Average sunshine days in September: 3.9 days
The month with the most sunshine days is January (14.8 days).
The month with the least sunshine days is May (1.2 days).
Average UV index in September
Haputale, Sri Lanka
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, September, November and December (UV index 6).
The month with the lowest UV index is October (UV index 5).
Average cloud cover in September
Haputale, Sri Lanka
- Average cloud cover in September: 34
The months with the most cloud cover are November and December (Cloud cover 47).
The month with the least cloud cover is March (Cloud cover 27).
Average visibility in September
Haputale, Sri Lanka
- Average visibility in September: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March, April, November and December (8km).





