September weather forecastGulang, Indonesia
September weather forecast for Gulang, Indonesia: The first month of the spring, September, is still a tropical month in Gulang, Indonesia, with an average temperature ranging between max 33°C (91.4°F) and min 23.8°C (74.8°F). The average heat index, which combines relative humidity and air temperature, in September is calculated to be 42°C (107.6°F).
September
Weather in September
The first month of the spring, September, is still a tropical month in Gulang, Indonesia, with an average temperature ranging between max 33°C (91.4°F) and min 23.8°C (74.8°F).Temperature
In September, Gulang experiences a minor shift in meteorological conditions with average high-temperatures marked at a still hot 33°C (91.4°F), closely mirroring the climate in August. Nighttime temperature lowers to an average of 23.8°C (74.8°F) in September.Heat index
Throughout September, the heat index is calculated to be a scorching 42°C (107.6°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.It is crucial to understand that heat index figures are for shade and gentle wind conditions. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', determines the feeling of heat when you account for the relative humidity. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.
Humidity
The least humid month in Gulang is September, with an average relative humidity of 66%.Rainfall
In Gulang, in September, it is raining for 10.5 days, with typically 25mm (0.98") of accumulated precipitation. In Gulang, during the entire year, the rain falls for 239.6 days and collects up to 1140mm (44.88") of precipitation.Daylight
In September, the average length of the day is 12h and 4min.On the first day of the month, sunrise is at 05:36 and sunset at 17:36. On the last day of September, sunrise is at 05:21 and sunset at 17:31 WIB.
Sunshine
In Gulang, Indonesia, the average sunshine in September is 9.7h.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 risk from exposure to the Sun's UV rays for the average person.Note: In September, a daily maximum UV index of 7 leads to the following instructions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gulang, Indonesia
- Average high temperature in September: 33°C
The warmest month (with the highest average high temperature) is October (33.5°C).
The months with the lowest average high temperature are January and February (29.8°C).
- Average low temperature in September: 23.8°C
The month with the highest average low temperature is November (25.3°C).
The coldest months (with the lowest average low temperature) are July and August (23.3°C).
Average pressure in September
Gulang, Indonesia
- Average pressure in September: 1011.2mbar
The month with the highest atmospheric pressure is September (1011.2mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).
Average wind speed in September
Gulang, Indonesia
- Average wind speed in September: 8.5km/h
The windiest month (with the highest average wind speed) is January (10.5km/h).
The calmest month (with the lowest average wind speed) is April (5.9km/h).
Average humidity in September
Gulang, Indonesia
- Average humidity in September: 66%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is September (66%).
Average rainfall in September
Gulang, Indonesia
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is January (192mm).
The driest month (with the least rainfall) is August (16mm).
Average rainfall days in September
Gulang, Indonesia
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is January (27.7 days).
The month with the least rainy days is August (9.5 days).
Average daylight in September /
Average sunshine in September
Gulang, 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 42min).
- Average sunshine in September: 9h and 42min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 7h and 48min).
Average sunshine days in September
Gulang, Indonesia
- Average sunshine days in September: 17 days
The month with the most sunshine days is August (19.6 days).
The month with the least sunshine days is January (2.1 days).
Average UV index in September
Gulang, 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
Gulang, Indonesia
- Average cloud cover in September: 24
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in September
Gulang, 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).





