September weather forecastBunder, Indonesia
September
Weather in September
The first month of the spring, September, is also a hot month in Bunder, Indonesia, with an average temperature fluctuating between 24.9°C (76.8°F) and 31.2°C (88.2°F).Temperature
The advent of September reveals an average high-temperature of a still tropical 31.2°C (88.2°F), showing minimal difference from the prior month. Bunder in September experiences a low-temperature average of 24.9°C (76.8°F).Heat index
In September, the average heat index is evaluated at a fiery hot 38°C (100.4°F). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'feels like', marries air temperature and humidity to produce a value illustrating perceived warmth. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.
Humidity
The months with the lowest humidity in Bunder are September and October, with an average relative humidity of 71%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.9 days and typically collects 27mm (1.06") of precipitation.Daylight
The average length of the day in September is 12h and 4min.On the first day of September, sunrise is at 05:53 and sunset at 17:53. On the last day of the month, sunrise is at 05:38 and sunset at 17:48 WIB.
Sunshine
The month with the most sunshine in Bunder is September, with an average of 9.4h of sunshine.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index in Bunder. The months with the lowest UV index in Bunder, Indonesia, are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 7 in September translates into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bunder, Indonesia
- Average high temperature in September: 31.2°C
The warmest month (with the highest average high temperature) is October (31.6°C).
The month with the lowest average high temperature is January (29.6°C).
- Average low temperature in September: 24.9°C
The months with the highest average low temperature are May and November (26°C).
The coldest month (with the lowest average low temperature) is August (24.5°C).
Average pressure in September
Bunder, Indonesia
- Average pressure in September: 1011.1mbar
The month with the highest atmospheric pressure is September (1011.1mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).
Average wind speed in September
Bunder, Indonesia
- Average wind speed in September: 6.2km/h
The windiest months (with the highest average wind speed) are January and December (11.3km/h).
The calmest month (with the lowest average wind speed) is September (6.2km/h).
Average humidity in September
Bunder, Indonesia
- Average humidity in September: 71%
The months with the highest relative humidity are February and March (78%).
The months with the lowest relative humidity are September and October (71%).
Average rainfall in September
Bunder, Indonesia
- Average rainfall in September: 27mm
The wettest months (with the highest rainfall) are January and February (180mm).
The driest month (with the least rainfall) is September (27mm).
Average rainfall days in September
Bunder, Indonesia
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is January (28.8 days).
The month with the least rainy days is August (11.3 days).
Average daylight in September /
Average sunshine in September
Bunder, Indonesia
- Average daylight in September: 12h and 6min
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 48min).
- Average sunshine in September: 9h and 24min
The month with the most sunshine is September (Average sunshine: 9h and 24min).
The months with the least sunshine are June and July (Average sunshine: 7h and 12min).
Average sunshine days in September
Bunder, Indonesia
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is August (16.9 days).
The month with the least sunshine days is January (0.6 days).
Average UV index in September
Bunder, 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
Bunder, Indonesia
- Average cloud cover in September: 23
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are August and September (Cloud cover 23).
Average visibility in September
Bunder, Indonesia
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
