September weather forecastPolewali, Indonesia
September
Weather in September
The first month of the spring, September, is also a moderately hot month in Polewali, Indonesia, with an average temperature fluctuating between 21.5°C (70.7°F) and 29.6°C (85.3°F).Temperature
The advent of September sees the average high-temperature at a still warm 29.6°C (85.3°F), subtly shifted from August's 28.8°C (83.8°F). During September, Polewali records an average temperature of 21.5°C (70.7°F) at night.Heat index
The heat index in September is appraised at a sweltering 35°C (95°F). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.The standards for the heat index are set for locations in shade and under light breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.
Humidity
September and October, with an average relative humidity of 73%, are the least humid months.Rainfall
The month with the least rainfall is September, when the rain falls for 19.7 days and typically collects 58mm (2.28") of precipitation.Sea temperature
In Polewali, in September, the average water temperature is 28.9°C (84°F).Note: Water temperatures from 25°C (77°F) to 29°C (84.2°F) make swimming, diving, and similar activities highly pleasurable and enjoyable for long periods without discomfort.
Daylight
In September, the average length of the day is 12h and 5min.On the first day of the month, sunrise is at 06:01 and sunset at 18:04. On the last day of September, sunrise is at 05:48 and sunset at 17:56 WITA.
Sunshine
With an average of 10.1h of sunshine, September has the most sunshine of the year.UV index
January, February, April, September through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 7 in September interprets into the following advice:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Attention! UV radiation is markedly stronger with water and sand reflections.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Polewali, Indonesia
- Average high temperature in September: 29.6°C
The warmest month (with the highest average high temperature) is October (29.8°C).
The month with the lowest average high temperature is July (28.1°C).
- Average low temperature in September: 21.5°C
The month with the highest average low temperature is December (23.2°C).
The coldest month (with the lowest average low temperature) is September (21.5°C).
Average pressure in September
Polewali, Indonesia
- Average pressure in September: 1011.1mbar
The months with the highest atmospheric pressure are August and September (1011.1mbar).
The month with the lowest atmospheric pressure is December (1009.3mbar).
Average wind speed in September
Polewali, Indonesia
- Average wind speed in September: 8.5km/h
The windiest month (with the highest average wind speed) is August (9.3km/h).
The calmest month (with the lowest average wind speed) is November (5.6km/h).
Average humidity in September
Polewali, Indonesia
- Average humidity in September: 73%
The months with the highest relative humidity are April, May and June (81%).
The months with the lowest relative humidity are September and October (73%).
Average rainfall in September
Polewali, Indonesia
- Average rainfall in September: 58mm
The wettest month (with the highest rainfall) is April (187mm).
The driest month (with the least rainfall) is September (58mm).
Average rainfall days in September
Polewali, Indonesia
- Average rainfall days in September: 19.7 days
The month with the highest number of rainy days is December (30.2 days).
The month with the least rainy days is September (19.7 days).
Average sea temperature in September
Polewali, Indonesia
- Average sea temperature in September: 28.9°C
The best month for swimming (with the highest average sea temperature) is December (30.2°C).
The coldest month (with the lowest average sea temperature) is August (28.8°C).
Average daylight in September /
Average sunshine in September
Polewali, Indonesia
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in September: 10h and 6min
The month with the most sunshine is September (Average sunshine: 10h and 6min).
The month with the least sunshine is May (Average sunshine: 6h and 30min).
Average sunshine days in September
Polewali, Indonesia
- Average sunshine days in September: 6.8 days
The month with the most sunshine days is August (7.3 days).
The months with the least sunshine days are April and December (0.1 days).
Average UV index in September
Polewali, Indonesia
- Average UV index in September: 7
The months with the highest UV index are January, February, April, September, October, November and December (UV index 7).
The months with the lowest UV index are March, May, June, July and August (UV index 6).
Average cloud cover in September
Polewali, Indonesia
- Average cloud cover in September: 23
The months with the most cloud cover are April and December (Cloud cover 43).
The month with the least cloud cover is September (Cloud cover 23).
Average visibility in September
Polewali, Indonesia
- Average visibility in September: 10km
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, May, November and December (9km).





