September weather forecastPalas, Indonesia
September
Weather in September
September, the first month of the spring in Palas, is still a tropical month, with an average temperature fluctuating between 22.4°C (72.3°F) and 31.3°C (88.3°F).Temperature
September's onset sees an average high-temperature of a still hot 31.3°C (88.3°F), exhibiting a slight fluctuation from the previous month. September nights experience a consistent temperature drop to a pleasant 22.4°C (72.3°F).Heat index
Throughout September, the heat index is evaluated at a scorching 41°C (105.8°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.Consider that heat index readings are for situations in the shade and light wind. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a metric representing the sensation of warmth when air temperature and moisture come together. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.
Humidity
September and October, with an average relative humidity of 78%, are the least humid months.Rainfall
In Palas, in September, during 16.3 rainfall days, 48mm (1.89") of precipitation is typically accumulated. Throughout the year, there are 296.2 rainfall days, and 1712mm (67.4") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 5min.On the first day of the month, sunrise is at 05:57 and sunset at 17:57. On the last day of September, sunrise is at 05:42 and sunset at 17:51 WIB.
Sunshine
September has the most sunshine of the year, with an average of 9h of sunshine.UV index
The months with the highest UV index are February through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 7 during September, leads to the following recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Palas, Indonesia
- Average high temperature in September: 31.3°C
The warmest month (with the highest average high temperature) is October (31.5°C).
The months with the lowest average high temperature are January and July (30.3°C).
- Average low temperature in September: 22.4°C
The months with the highest average low temperature are April and December (23.5°C).
The coldest month (with the lowest average low temperature) is August (21.9°C).
Average pressure in September
Palas, Indonesia
- Average pressure in September: 1011mbar
The month with the highest atmospheric pressure is September (1011mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).
Average wind speed in September
Palas, Indonesia
- Average wind speed in September: 6.6km/h
The windiest month (with the highest average wind speed) is October (6.8km/h).
The calmest month (with the lowest average wind speed) is May (5km/h).
Average humidity in September
Palas, Indonesia
- Average humidity in September: 78%
The months with the highest relative humidity are February, March and May (84%).
The months with the lowest relative humidity are September and October (78%).
Average rainfall in September
Palas, Indonesia
- Average rainfall in September: 48mm
The wettest month (with the highest rainfall) is January (240mm).
The driest month (with the least rainfall) is August (42mm).
Average rainfall days in September
Palas, Indonesia
- Average rainfall days in September: 16.3 days
The month with the highest number of rainy days is January (29.8 days).
The month with the least rainy days is September (16.3 days).
Average daylight in September /
Average sunshine in September
Palas, Indonesia
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 48min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is September (Average sunshine: 9h and 0min).
The month with the least sunshine is June (Average sunshine: 6h and 24min).
Average sunshine days in September
Palas, Indonesia
- Average sunshine days in September: 10.3 days
The month with the most sunshine days is August (10.9 days).
The months with the least sunshine days are January and February (0.4 days).
Average UV index in September
Palas, 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
Palas, Indonesia
- Average cloud cover in September: 32
The months with the most cloud cover are January and December (Cloud cover 52).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in September
Palas, Indonesia
- Average visibility in September: 9km
The months with the highest visibility are September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July and August (8km).





