September weather forecastDongkelan, Indonesia
September
Weather in September
The first month of the spring, September, is still a warm month in Dongkelan, Indonesia, with an average temperature ranging between max 28.2°C (82.8°F) and min 21.3°C (70.3°F).Temperature
During September, Dongkelan observes a subtle ascent to a still moderately hot 28.2°C (82.8°F) from August's 27.7°C (81.9°F) in the average high-temperature. The temperature lowers to an average of 21.3°C (70.3°F) during September nights.Heat index
September's average heat index is computed to be a hot 33°C (91.4°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.Understand that the heat index values take into account shaded locations and mild winds. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are especially crucial for babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Humidity
The months with the lowest humidity are September and October, with an average relative humidity of 80%.Rainfall
In September, the rain falls for 18.3 days. Throughout September, 55mm (2.17") of precipitation is accumulated. In Dongkelan, during the entire year, the rain falls for 296.5 days and collects up to 1844mm (72.6") of precipitation.Daylight
In Dongkelan, the average length of the day in September is 12h and 4min.On the first day of September, sunrise is at 05:39 and sunset at 17:37. On the last day of the month, sunrise is at 05:23 and sunset at 17:33 WIB.
Sunshine
The average sunshine in September is 8.6h.UV index
January, April through September, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In September, a daily UV index of 6 turns into the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dongkelan, Indonesia
- Average high temperature in September: 28.2°C
The warmest month (with the highest average high temperature) is October (29.1°C).
The month with the lowest average high temperature is July (27.3°C).
- Average low temperature in September: 21.3°C
The months with the highest average low temperature are January and November (23.3°C).
The coldest month (with the lowest average low temperature) is August (21°C).
Average pressure in September
Dongkelan, Indonesia
- Average pressure in September: 1011.8mbar
The months with the highest atmospheric pressure are August and September (1011.8mbar).
The month with the lowest atmospheric pressure is December (1009.1mbar).
Average wind speed in September
Dongkelan, Indonesia
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is August (11.5km/h).
The calmest month (with the lowest average wind speed) is April (6.9km/h).
Average humidity in September
Dongkelan, Indonesia
- Average humidity in September: 80%
The months with the highest relative humidity are May and June (84%).
The months with the lowest relative humidity are September and October (80%).
Average rainfall in September
Dongkelan, Indonesia
- Average rainfall in September: 55mm
The wettest month (with the highest rainfall) is March (242mm).
The driest month (with the least rainfall) is August (25mm).
Average rainfall days in September
Dongkelan, Indonesia
- Average rainfall days in September: 18.3 days
The month with the highest number of rainy days is January (30.3 days).
The month with the least rainy days is August (13.6 days).
Average daylight in September /
Average sunshine in September
Dongkelan, Indonesia
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 42min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is February (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).
Average sunshine days in September
Dongkelan, Indonesia
- Average sunshine days in September: 7.3 days
The month with the most sunshine days is August (12.3 days).
The month with the least sunshine days is March (0.5 days).
Average UV index in September
Dongkelan, Indonesia
- Average UV index in September: 6
The months with the highest UV index are February, March and October (UV index 7).
The months with the lowest UV index are January, April, May, June, July, August, September, November and December (UV index 6).
Average cloud cover in September
Dongkelan, Indonesia
- Average cloud cover in September: 42
The months with the most cloud cover are January and December (Cloud cover 50).
The months with the least cloud cover are June and August (Cloud cover 38).
Average visibility in September
Dongkelan, Indonesia
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (9km).
