September weather forecastRabak, Indonesia
September
Weather in September
The first month of the spring, September, is still a tropical month in Rabak, Indonesia, with an average temperature fluctuating between 32°C (89.6°F) and 22.6°C (72.7°F).Temperature
Rabak's peak temperatures tend to occur in September and October, with an average high-temperature of 32°C (89.6°F).Heat index
During September, the heat index is calculated to be a scorching 40°C (104°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.One should consider that heat index numbers are for shaded settings and light wind. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.
Humidity
With an average relative humidity of 68%, September is the least humid month in Rabak.Rainfall
In Rabak, during September, the rain falls for 15.8 days and regularly aggregates up to 63mm (2.48") of precipitation. In Rabak, during the entire year, the rain falls for 275.6 days and collects up to 1683mm (66.26") 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 05:53 and sunset at 17:53. On the last day of September, in Rabak, sunrise is at 05:38 and sunset at 17:48 WIB.
Sunshine
In Rabak, the average sunshine in September is 8.9h.UV index
The months with the highest UV index in Rabak are March through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 7 in September leads to these recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rabak, Indonesia
- Average high temperature in September: 32°C
The warmest months (with the highest average high temperature) are September and October (32°C).
The months with the lowest average high temperature are January and February (29.3°C).
- Average low temperature in September: 22.6°C
The month with the highest average low temperature is November (24.5°C).
The coldest month (with the lowest average low temperature) is July (22°C).
Average pressure in September
Rabak, 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 (1009.3mbar).
Average wind speed in September
Rabak, Indonesia
- Average wind speed in September: 6.4km/h
The windiest month (with the highest average wind speed) is January (8.6km/h).
The calmest month (with the lowest average wind speed) is May (6km/h).
Average humidity in September
Rabak, Indonesia
- Average humidity in September: 68%
The months with the highest relative humidity are February and March (79%).
The month with the lowest relative humidity is September (68%).
Average rainfall in September
Rabak, Indonesia
- Average rainfall in September: 63mm
The wettest month (with the highest rainfall) is March (230mm).
The driest month (with the least rainfall) is August (52mm).
Average rainfall days in September
Rabak, Indonesia
- Average rainfall days in September: 15.8 days
The month with the highest number of rainy days is March (27.2 days).
The month with the least rainy days is August (15.3 days).
Average daylight in September /
Average sunshine in September
Rabak, 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: 8h and 54min
The month with the most sunshine is March (Average sunshine: 9h and 18min).
The month with the least sunshine is July (Average sunshine: 6h and 36min).
Average sunshine days in September
Rabak, Indonesia
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is August (13.6 days).
The month with the least sunshine days is February (2 days).
Average UV index in September
Rabak, Indonesia
- Average UV index in September: 7
The months with the highest UV index are March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January and February (UV index 6).
Average cloud cover in September
Rabak, Indonesia
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Rabak, Indonesia
- Average visibility in September: 10km
The months with the highest visibility are June, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, May, July, November and December (9km).





