September weather forecastChhlong, Cambodia
September
Weather in September
The first month of the autumn, September, is still a tropical month in Chhlong, Cambodia, with an average temperature ranging between min 24.4°C (75.9°F) and max 31.3°C (88.3°F).Temperature
Chhlong's shift into September is marked by a subtle change to a still tropical 31.3°C (88.3°F) from August's 32.2°C (90°F) in temperature. During September, Chhlong witnesses a consistent average low-temperature of 24.4°C (75.9°F).Heat index
In September, the average heat index is appraised at a blisteringly hot 43°C (109.4°F). Remain alert: Heat exhaustion and heat cramps are predicted. Extended effort can lead to heatstroke.For clarity, heat index numbers account for light winds and areas under shade. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', integrates the air's temperature and its humidity to showcase the felt temperature by people. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.
Humidity
With an average relative humidity of 83%, September is the most humid month.Rainfall
The month with the most rainfall is September, when the rain falls for 26.3 days and typically aggregates up to 184mm (7.24") of precipitation.Daylight
In September, the average length of the day is 12h and 12min.On the first day of September in Chhlong, sunrise is at 05:45 and sunset at 18:06. On the last day of the month, sunrise is at 05:45 and sunset at 17:47 +07.
Sunshine
In Chhlong, the average sunshine in September is 7.6h.UV index
January, March through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 7 in September suggests the following recommendations:
Shield from overexposure. Defense against sun-related harm is required. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. 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
Chhlong, Cambodia
- Average high temperature in September: 31.3°C
The warmest month (with the highest average high temperature) is March (36.4°C).
The months with the lowest average high temperature are October and December (31.2°C).
- Average low temperature in September: 24.4°C
The month with the highest average low temperature is April (26.4°C).
The coldest month (with the lowest average low temperature) is December (21.5°C).
Average pressure in September
Chhlong, Cambodia
- Average pressure in September: 1008mbar
The month with the highest atmospheric pressure is January (1011.8mbar).
The month with the lowest atmospheric pressure is July (1007mbar).
Average wind speed in September
Chhlong, Cambodia
- Average wind speed in September: 7.7km/h
The windiest month (with the highest average wind speed) is December (12.3km/h).
The calmest month (with the lowest average wind speed) is October (7.5km/h).
Average humidity in September
Chhlong, Cambodia
- Average humidity in September: 83%
The month with the highest relative humidity is September (83%).
The month with the lowest relative humidity is February (54%).
Average rainfall in September
Chhlong, Cambodia
- Average rainfall in September: 184mm
The wettest month (with the highest rainfall) is September (184mm).
The driest month (with the least rainfall) is February (6mm).
Average rainfall days in September
Chhlong, Cambodia
- Average rainfall days in September: 26.3 days
The months with the highest number of rainy days are August and September (26.3 days).
The month with the least rainy days is February (3.5 days).
Average daylight in September /
Average sunshine in September
Chhlong, Cambodia
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in September: 7h and 36min
The month with the most sunshine is April (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in September
Chhlong, Cambodia
- Average sunshine days in September: 3.2 days
The month with the most sunshine days is January (25.3 days).
The month with the least sunshine days is September (3.2 days).
Average UV index in September
Chhlong, Cambodia
- Average UV index in September: 7
The month with the highest UV index is February (UV index 8).
The months with the lowest UV index are January, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in September
Chhlong, Cambodia
- Average cloud cover in September: 52
The months with the most cloud cover are July and September (Cloud cover 52).
The month with the least cloud cover is February (Cloud cover 20).
Average visibility in September
Chhlong, Cambodia
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are September and October (8km).





