September weather forecastSidapurna, Indonesia
September
Weather in September
September, the first month of the spring in Sidapurna, is still a hot month, with temperature in the range of an average high of 30.7°C (87.3°F) and an average low of 23.5°C (74.3°F).Temperature
With September's arrival, Sidapurna notes an average high-temperature of a still tropical 30.7°C (87.3°F), closely following the trend of the preceding month. The temperature lowers to an average of 23.5°C (74.3°F) during September nights.Heat index
The heat index for September is computed to be a sweltering 37°C (98.6°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.In terms of the heat index, values are set with light wind and shade conditions in mind. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', combines both the air temperature and the humidity level to give a perceived human temperature. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. 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.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.
Humidity
In September, the average relative humidity is 72%.Rainfall
In Sidapurna, in September, it is raining for 8.5 days, with typically 25mm (0.98") of accumulated precipitation. Throughout the year, there are 227.1 rainfall days, and 1284mm (50.55") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 4min.On the first day of the month, sunrise is at 05:44 and sunset at 17:43. On the last day of September, sunrise is at 05:28 and sunset at 17:38 WIB.
Sunshine
In September, the average sunshine is 9.6h.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 reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the average maximum UV index of 7 translates into the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sidapurna, Indonesia
- Average high temperature in September: 30.7°C
The warmest month (with the highest average high temperature) is October (31.2°C).
The month with the lowest average high temperature is February (29.3°C).
- Average low temperature in September: 23.5°C
The month with the highest average low temperature is December (25.5°C).
The coldest month (with the lowest average low temperature) is August (23.2°C).
Average pressure in September
Sidapurna, Indonesia
- Average pressure in September: 1011.5mbar
The month with the highest atmospheric pressure is September (1011.5mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).
Average wind speed in September
Sidapurna, Indonesia
- Average wind speed in September: 10.5km/h
The windiest month (with the highest average wind speed) is September (10.5km/h).
The calmest month (with the lowest average wind speed) is April (6.9km/h).
Average humidity in September
Sidapurna, Indonesia
- Average humidity in September: 72%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Sidapurna, Indonesia
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is January (259mm).
The driest month (with the least rainfall) is August (13mm).
Average rainfall days in September
Sidapurna, Indonesia
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is January (29.4 days).
The month with the least rainy days is August (5.5 days).
Average daylight in September /
Average sunshine in September
Sidapurna, 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 36min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 8h and 0min).
Average sunshine days in September
Sidapurna, Indonesia
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is August (24.5 days).
The month with the least sunshine days is February (0.5 days).
Average UV index in September
Sidapurna, 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
Sidapurna, Indonesia
- Average cloud cover in September: 21
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Sidapurna, Indonesia
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).
