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
September
Weather in September
Temperature
As Klayan steps into September, the average high-temperature holds at a still hot 31.4°C (88.5°F), hinting at a minor fluctuation from the prior month. An average low-temperature of 22.8°C (73°F) is noted during the nights in September.Heat index
Throughout September, the heat index is estimated at a fiery hot 38°C (100.4°F). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.One should consider that heat index numbers are for shaded settings and light wind. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.
Humidity
September is the least humid month, with an average relative humidity of 69%.Rainfall
In Klayan, in September, it is raining for 9.8 days, with typically 18mm (0.71") of accumulated precipitation. In Klayan, Indonesia, during the entire year, the rain falls for 221.5 days and collects up to 926mm (36.46") of precipitation.Daylight
The average length of the day in September in Klayan is 12h and 4min.On the first day of September in Klayan, sunrise is at 05:46 and sunset at 17:45. On the last day of the month, sunrise is at 05:30 and sunset at 17:40 WIB.
Sunshine
The months with the most sunshine are August and September, with an average of 9.7h of sunshine.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 7 during September translates into these guidelines:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Klayan in September?
What is the least humid month in Klayan?
What is the average humidity in September in Klayan?
How many days does it rain in September in Klayan?
What is the average length of the day in September in Klayan?
When are sunrise and sunset in September in Klayan?
What are the months with the most sunshine in Klayan?
How many hours of sunshine does Klayan have in September?
What is the month with the highest UV index in Klayan?
When is the lowest UV index in Klayan?
What is the UV index reading in September in Klayan?
Average temperature in September
Klayan, Indonesia
- Average high temperature in September: 31.4°C
The warmest month (with the highest average high temperature) is October (31.6°C).
The month with the lowest average high temperature is February (29.4°C).
- Average low temperature in September: 22.8°C
The month with the highest average low temperature is December (24.8°C).
The coldest month (with the lowest average low temperature) is August (22.2°C).
Average pressure in September
Klayan, Indonesia
- Average pressure in September: 1011.3mbar
The month with the highest atmospheric pressure is September (1011.3mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).
Average wind speed in September
Klayan, Indonesia
- Average wind speed in September: 12.3km/h
The windiest month (with the highest average wind speed) is August (12.7km/h).
The calmest month (with the lowest average wind speed) is December (6.8km/h).
Average humidity in September
Klayan, Indonesia
- Average humidity in September: 69%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is September (69%).
Average rainfall in September
Klayan, Indonesia
- Average rainfall in September: 18mm
The wettest months (with the highest rainfall) are February and March (142mm).
The driest month (with the least rainfall) is August (10mm).
Average rainfall days in September
Klayan, Indonesia
- Average rainfall days in September: 9.8 days
The months with the highest number of rainy days are March and December (25 days).
The month with the least rainy days is August (6.5 days).
Average daylight in September /
Average sunshine in September
Klayan, Indonesia
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 42min).
- Average sunshine in September: 9h and 4min
The months with the most sunshine are August and September (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 8h and 30min).
Average sunshine days in September
Klayan, Indonesia
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is December (4 days).
Average UV index in September
Klayan, Indonesia
- 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
Klayan, Indonesia
- Average cloud cover in September: 20
The months with the most cloud cover are January and February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Klayan, Indonesia
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
