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
With the start of September, Koor measures an average high-temperature of a still moderately hot 29.1°C (84.4°F), not significantly differing from August's 28.8°C (83.8°F). Koor's temperature drops to an average low of 24°C (75.2°F) during the nights of September.Heat index
September's average heat index is appraised at a sweltering 36°C (96.8°F). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.Evaluating the heat index requires understanding its values in the shade and with gentle winds. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is the outcome of merging air's temperature and its humidity metrics. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.
Humidity
The average relative humidity in September is 83%.Rainfall
September is the month with the least rainfall. Rain falls for 23.7 days and accumulates 102mm (4.02") of precipitation.Daylight
In September, the average length of the day is 12h and 7min.On the first day of the month, sunrise is at 06:07 and sunset at 18:13. On the last day of September, sunrise is at 05:57 and sunset at 18:04 WIT.
Sunshine
In September, the average sunshine is 7.1h.UV index
The months with the highest UV index are January through July, September and October, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 7 in September translates into the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
How many hours of daylight does Koor have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Koor have in September?
When is the highest UV index?
What is the UV index intensity in September?
Average temperature in September
Koor, Indonesia
- Average high temperature in September: 29.1°C
The warmest month (with the highest average high temperature) is November (30.5°C).
The month with the lowest average high temperature is August (28.8°C).
- Average low temperature in September: 24°C
The months with the highest average low temperature are January, February, March, November and December (25.3°C).
The coldest month (with the lowest average low temperature) is September (24°C).
Average pressure in September
Koor, Indonesia
- Average pressure in September: 1010.1mbar
The months with the highest atmospheric pressure are August and September (1010.1mbar).
The month with the lowest atmospheric pressure is December (1008.1mbar).
Average wind speed in September
Koor, Indonesia
- Average wind speed in September: 9km/h
The windiest month (with the highest average wind speed) is August (10.5km/h).
The calmest month (with the lowest average wind speed) is May (6.1km/h).
Average humidity in September
Koor, Indonesia
- Average humidity in September: 83%
The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are January and February (79%).
Average rainfall in September
Koor, Indonesia
- Average rainfall in September: 102mm
The wettest month (with the highest rainfall) is December (186mm).
The driest month (with the least rainfall) is September (102mm).
Average rainfall days in September
Koor, Indonesia
- Average rainfall days in September: 23.7 days
The month with the highest number of rainy days is December (29.1 days).
The month with the least rainy days is October (22.6 days).
Average daylight in September /
Average sunshine in September
Koor, Indonesia
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 6min).
The month with the shortest days is June (Average daylight: 12h and 6min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is November (Average sunshine: 10h and 12min).
The month with the least sunshine is July (Average sunshine: 6h and 42min).
Average sunshine days in September
Koor, Indonesia
- Average sunshine days in September: 4.1 days
The month with the most sunshine days is July (6.9 days).
The month with the least sunshine days is December (1.1 days).
Average UV index in September
Koor, Indonesia
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, July, September and October (UV index 7).
The months with the lowest UV index are August, November and December (UV index 6).
Average cloud cover in September
Koor, Indonesia
- Average cloud cover in September: 52
The months with the most cloud cover are July and August (Cloud cover 57).
The month with the least cloud cover is November (Cloud cover 41).
Average visibility in September
Koor, Indonesia
- Average visibility in September: 9km
The months with the highest visibility are January, February, June, October and December (10km).
The months with the lowest visibility are March, April, May, July, August, September and November (9km).
