September weather forecastSedayulawas, Indonesia
September
Weather in September
The first month of the spring, September, is still a hot month in Sedayulawas, Indonesia, with an average temperature varying between 24.3°C (75.7°F) and 32.6°C (90.7°F).The perfect water temperature of 28.4°C (83.1°F) with 3mm (0.12") of accumulated rainfall and only 2.9 rainfall days, makes September a great period for swimming and other water activities.
Temperature
Sedayulawas, Indonesia, experiences a recorded average high-temperature of a still hot 32.6°C (90.7°F) in September, closely aligned with August's 31.8°C (89.2°F). The low-temperature average for Sedayulawas during September stands at a moderately hot 24.3°C (75.7°F).Heat index
The heat index value for September is evaluated at a blistering 40°C (104°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.Data suggests that the heat index is set for environments in shade and with a light wind. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and 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 especially crucial for babies and toddlers. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.
Humidity
September and October, with an average relative humidity of 63%, are the least humid months in Sedayulawas.Rainfall
August and September are months with the least rain in Sedayulawas when the rain falls for 2.9 days and typically aggregates up to 3mm (0.12") of rain.Sea temperature
In Sedayulawas, in September, the average water temperature is 28.4°C (83.1°F).Note: For any water activity, the surface water temperatures in the range of 25°C (77°F) to 29°C (84.2°F) are deemed excellent and incredibly pleasant for longer durations.
Daylight
In September, the average length of the day in Sedayulawas is 12h and 4min.On the first day of September in Sedayulawas, sunrise is at 05:31 and sunset at 17:30. On the last day of the month, sunrise is at 05:16 and sunset at 17:25 WIB.
Sunshine
The months with the most sunshine in Sedayulawas, Indonesia, are August through October, with an average of 9.8h of sunshine.UV index
The months with the highest UV index in Sedayulawas are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Sedayulawas are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: During September, 7 as the daily maximum UV index converts into the following advice:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be on guard! The reflective nature of sand and water boosts UV exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sedayulawas, Indonesia
- Average high temperature in September: 32.6°C
The warmest month (with the highest average high temperature) is October (33.5°C).
The month with the lowest average high temperature is January (30°C).
- Average low temperature in September: 24.3°C
The month with the highest average low temperature is November (26.5°C).
The coldest month (with the lowest average low temperature) is August (24°C).
Average pressure in September
Sedayulawas, Indonesia
- Average pressure in September: 1011.2mbar
The months with the highest atmospheric pressure are August and September (1011.2mbar).
The month with the lowest atmospheric pressure is December (1008.6mbar).
Average wind speed in September
Sedayulawas, Indonesia
- Average wind speed in September: 8.8km/h
The windiest month (with the highest average wind speed) is January (10.6km/h).
The calmest month (with the lowest average wind speed) is April (6.2km/h).
Average humidity in September
Sedayulawas, Indonesia
- Average humidity in September: 63%
The months with the highest relative humidity are January and February (81%).
The months with the lowest relative humidity are September and October (63%).
Average rainfall in September
Sedayulawas, Indonesia
- Average rainfall in September: 3mm
The wettest month (with the highest rainfall) is February (81mm).
The driest months (with the least rainfall) are August and September (3mm).
Average rainfall days in September
Sedayulawas, Indonesia
- Average rainfall days in September: 2.9 days
The month with the highest number of rainy days is February (22.9 days).
The month with the least rainy days is September (2.9 days).
Average sea temperature in September
Sedayulawas, Indonesia
- Average sea temperature in September: 28.4°C
The best month for swimming (with the highest average sea temperature) is December (30.3°C).
The coldest month (with the lowest average sea temperature) is August (27.9°C).
Average daylight in September /
Average sunshine in September
Sedayulawas, 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 48min
The months with the most sunshine are August, September and October (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 7h and 36min).
Average sunshine days in September
Sedayulawas, Indonesia
- Average sunshine days in September: 25.2 days
The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is February (4.1 days).
Average UV index in September
Sedayulawas, 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
Sedayulawas, Indonesia
- Average cloud cover in September: 14
The month with the most cloud cover is January (Cloud cover 48).
The months with the least cloud cover are August and September (Cloud cover 14).
Average visibility in September
Sedayulawas, Indonesia
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and February (9km).





