Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
January and September mark Prey Nob's lowest temperatures, averaging a high-temperature of 28.8°C (83.8°F).Heat index
The heat index value during September is calculated to be a tropical 34°C (93.2°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.Heat index determinations are made taking into account the shade and light air movements. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a numerical representation of warmth when taking temperature and moisture levels into account. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to 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.
Humidity
The most humid month is September, with an average relative humidity of 79%.Rainfall
September is the month with the most rainfall. Rain falls for 26.2 days and accumulates 431mm (16.97") of precipitation.Daylight
The average length of the day in September is 12h and 11min.On the first day of September, sunrise is at 05:55 and sunset at 18:14. On the last day of the month, sunrise is at 05:53 and sunset at 17:55 +07.
Sunshine
In September, the average sunshine is 8.2h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 7 in September translates into the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How hot is September?
What is the most humid month?
What is the average humidity in September?
What is the rainiest month?
How many days does it rain in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September in Prey Nob?
When is the highest UV index?
When is the lowest UV index?
How high is the UV index in September?
Average temperature in September
Prey Nob, Cambodia
- Average high temperature in September: 28.8°C
The warmest month (with the highest average high temperature) is May (30.8°C).
The months with the lowest average high temperature are January and September (28.8°C).
- Average low temperature in September: 26.8°C
The month with the highest average low temperature is May (28.5°C).
The coldest month (with the lowest average low temperature) is January (25°C).
Average pressure in September
Prey Nob, Cambodia
- Average pressure in September: 1008.6mbar
The month with the highest atmospheric pressure is January (1011.9mbar).
The months with the lowest atmospheric pressure are June and July (1007.9mbar).
Average wind speed in September
Prey Nob, Cambodia
- Average wind speed in September: 15.8km/h
The windiest month (with the highest average wind speed) is August (17.1km/h).
The calmest months (with the lowest average wind speed) are April and October (10.9km/h).
Average humidity in September
Prey Nob, Cambodia
- Average humidity in September: 79%
The month with the highest relative humidity is September (79%).
The months with the lowest relative humidity are January and December (71%).
Average rainfall in September
Prey Nob, Cambodia
- Average rainfall in September: 431mm
The wettest month (with the highest rainfall) is September (431mm).
The driest month (with the least rainfall) is February (22mm).
Average rainfall days in September
Prey Nob, Cambodia
- Average rainfall days in September: 26.2 days
The month with the highest number of rainy days is August (28 days).
The month with the least rainy days is February (9.5 days).
Average daylight in September /
Average sunshine in September
Prey Nob, Cambodia
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is April (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days in September
Prey Nob, Cambodia
- Average sunshine days in September: 1.9 days
The month with the most sunshine days is January (17.9 days).
The month with the least sunshine days is August (1.7 days).
Average UV index in September
Prey Nob, Cambodia
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in September
Prey Nob, Cambodia
- Average cloud cover in September: 50
The months with the most cloud cover are July and September (Cloud cover 50).
The month with the least cloud cover is February (Cloud cover 24).
Average visibility in September
Prey Nob, Cambodia
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, November and December (10km).
The months with the lowest visibility are June, July, August, September and October (9km).
Prey Nob, Cambodia
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