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
In Sapuro, September's average high-temperature stands at a tropical 30.2°C (86.4°F), closely related to the preceding month. Sapuro experiences an average low-temperature reading of 23.8°C (74.8°F) throughout September.Heat index
The heat index value during September is calculated to be a sweltering 36°C (96.8°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.Be advised, the heat index considers values for conditions in shade and with a light breeze. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
The human body has a built-in cooling mechanism through perspiration; evaporating sweat dissipates the excess heat. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.
Humidity
September and October, with an average relative humidity of 71%, are the least humid months.Rainfall
In Sapuro, during September, the rain falls for 13.3 days and regularly aggregates up to 26mm (1.02") of precipitation. Throughout the year, there are 239.5 rainfall days, and 1058mm (41.65") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 4min.On the first day of September, sunrise is at 05:41 and sunset at 17:40. On the last day of the month, sunrise is at 05:26 and sunset at 17:36 WIB.
Sunshine
In September, the average sunshine is 9.7h.UV index
February through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 7 in September converts into the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during September?
What are the least humid months?
What is the average humidity in September?
How much does it rain in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Sapuro have in September?
When is the highest UV index?
What is the UV index reading in September?
Average temperature in September
Sapuro, Indonesia
- Average high temperature in September: 30.2°C
The warmest month (with the highest average high temperature) is October (30.5°C).
The months with the lowest average high temperature are January and February (28.8°C).
- Average low temperature in September: 23.8°C
The months with the highest average low temperature are November and December (25.5°C).
The coldest months (with the lowest average low temperature) are July, August and September (23.8°C).
Average pressure in September
Sapuro, Indonesia
- Average pressure in September: 1011.5mbar
The month with the highest atmospheric pressure is September (1011.5mbar).
The month with the lowest atmospheric pressure is December (1009.1mbar).
Average wind speed in September
Sapuro, Indonesia
- Average wind speed in September: 7.3km/h
The windiest month (with the highest average wind speed) is January (11.3km/h).
The calmest month (with the lowest average wind speed) is November (6.1km/h).
Average humidity in September
Sapuro, Indonesia
- Average humidity in September: 71%
The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are September and October (71%).
Average rainfall in September
Sapuro, Indonesia
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is January (168mm).
The driest month (with the least rainfall) is August (22mm).
Average rainfall days in September
Sapuro, Indonesia
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is November (25.5 days).
The month with the least rainy days is August (10.3 days).
Average daylight in September /
Average sunshine in September
Sapuro, 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 month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 8h and 6min).
Average sunshine days in September
Sapuro, Indonesia
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is August (16.2 days).
The month with the least sunshine days is February (2.8 days).
Average UV index in September
Sapuro, Indonesia
- Average UV index in September: 7
The months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is January (UV index 6).
Average cloud cover in September
Sapuro, Indonesia
- Average cloud cover in September: 20
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Sapuro, 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).
