September weather forecastBrakas, Indonesia
September
Weather in September
The first month of the spring, September, is also a moderately hot month in Brakas, Indonesia, with an average temperature varying between 29.5°C (85.1°F) and 26.2°C (79.2°F).The ideal sea water temperature of 28.1°C (82.6°F) and only 3.7 rainfall days, with 9mm (0.35") of accumulated rainfall, makes September the best time for swimming and other water activities.
Temperature
An average high-temperature of a still warm 29.5°C (85.1°F) marks September in Brakas, exhibiting a close resemblance to the conditions in August. The temperature in Brakas during September sees a subtle transition from day to night, averaging a low of 26.2°C (79.2°F).Heat index
The heat index value during September is estimated at a hot 34°C (93.2°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.Observations indicate that the heat index values are for shady locations with light wind. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'real feel' or 'feels like', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Humidity
September and October, with an average relative humidity of 69%, are the least humid months in Brakas.Rainfall
In Brakas, in September, it is raining for 3.7 days, with typically 9mm (0.35") of accumulated precipitation. In Brakas, Indonesia, during the entire year, the rain falls for 185 days and collects up to 791mm (31.14") of precipitation.Sea temperature
In Brakas, in September, the average water temperature is 28.1°C (82.6°F).Note: For swimming, diving, and enjoying other water activities, the range of 25°C (77°F) to 29°C (84.2°F) in water temperature is considered ideal, offering pleasure for extended periods without discomfort.
Daylight
The average length of the day in September is 12h and 4min.On the first day of September, sunrise is at 05:22 and sunset at 17:20. On the last day of the month, sunrise is at 05:06 and sunset at 17:16 WIB.
Sunshine
The months with the most sunshine are September and October, with an average of 9.9h of sunshine.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 7 in September leads to these recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Warning! The reflection of sand and water increases the UV dose.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Brakas, Indonesia
- Average high temperature in September: 29.5°C
The warmest month (with the highest average high temperature) is November (31°C).
The months with the lowest average high temperature are July and August (28.9°C).
- Average low temperature in September: 26.2°C
The month with the highest average low temperature is November (27.7°C).
The coldest month (with the lowest average low temperature) is August (25.8°C).
Average pressure in September
Brakas, Indonesia
- Average pressure in September: 1011.2mbar
The month with the highest atmospheric pressure is August (1011.3mbar).
The month with the lowest atmospheric pressure is December (1008.4mbar).
Average wind speed in September
Brakas, Indonesia
- Average wind speed in September: 15.5km/h
The windiest month (with the highest average wind speed) is August (17.5km/h).
The calmest month (with the lowest average wind speed) is March (9.1km/h).
Average humidity in September
Brakas, Indonesia
- Average humidity in September: 69%
The months with the highest relative humidity are January and February (77%).
The months with the lowest relative humidity are September and October (69%).
Average rainfall in September
Brakas, Indonesia
- Average rainfall in September: 9mm
The wettest month (with the highest rainfall) is January (172mm).
The driest month (with the least rainfall) is August (4mm).
Average rainfall days in September
Brakas, Indonesia
- Average rainfall days in September: 3.7 days
The month with the highest number of rainy days is January (27.1 days).
The month with the least rainy days is September (3.7 days).
Average sea temperature in September
Brakas, Indonesia
- Average sea temperature in September: 28.1°C
The best month for swimming (with the highest average sea temperature) is December (30.1°C).
The coldest month (with the lowest average sea temperature) is August (27.8°C).
Average daylight in September /
Average sunshine in September
Brakas, 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 54min
The months with the most sunshine are September and October (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 7h and 18min).
Average sunshine days in September
Brakas, Indonesia
- Average sunshine days in September: 25.3 days
The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is January (2.9 days).
Average UV index in September
Brakas, 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
Brakas, Indonesia
- Average cloud cover in September: 12
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 12).
Average visibility in September
Brakas, 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).
