September weather forecastSentono, Indonesia
September
Weather in September
The first month of the spring, September, is also a moderately hot month in Sentono, Indonesia, with an average temperature varying between 20.8°C (69.4°F) and 29.7°C (85.5°F).Temperature
The advent of September observes an average high-temperature of a still warm 29.7°C (85.5°F), nearly identical to August's 28.7°C (83.7°F). September nights in Sentono are marked by an average temperature drop to a pleasant 20.8°C (69.4°F).Heat index
September's mean heat index is appraised at a very hot 36°C (96.8°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', joins air temperature with relative humidity to produce a temperature perception for humans. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level 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 hold particular importance for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
One of the main methods the human body employs to cool down is by perspiring, as this process allows sweat to evaporate and remove excess heat. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.
Humidity
September is the least humid month, with an average relative humidity of 77%.Rainfall
In Sentono, in September, it is raining for 15.8 days, with typically 53mm (2.09") of accumulated precipitation. In Sentono, during the entire year, the rain falls for 290.8 days and collects up to 2049mm (80.67") of precipitation.Daylight
In September, the average length of the day is 12h and 4min.On the first day of the month, sunrise is at 05:37 and sunset at 17:36. On the last day of September, sunrise is at 05:21 and sunset at 17:32 WIB.
Sunshine
The average sunshine in September is 8.9h.UV index
January through September, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 6 in September translates into this advice:
Shield from overexposure. Defense against sun-related harm is required. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sentono, Indonesia
- Average high temperature in September: 29.7°C
The warmest month (with the highest average high temperature) is October (30.2°C).
The month with the lowest average high temperature is July (28.1°C).
- Average low temperature in September: 20.8°C
The month with the highest average low temperature is November (22.5°C).
The coldest month (with the lowest average low temperature) is August (20.4°C).
Average pressure in September
Sentono, Indonesia
- Average pressure in September: 1011.7mbar
The months with the highest atmospheric pressure are August and September (1011.7mbar).
The month with the lowest atmospheric pressure is December (1009mbar).
Average wind speed in September
Sentono, Indonesia
- Average wind speed in September: 10km/h
The windiest months (with the highest average wind speed) are August and September (10km/h).
The calmest month (with the lowest average wind speed) is April (5.9km/h).
Average humidity in September
Sentono, Indonesia
- Average humidity in September: 77%
The months with the highest relative humidity are January, February, March, April and May (85%).
The month with the lowest relative humidity is September (77%).
Average rainfall in September
Sentono, Indonesia
- Average rainfall in September: 53mm
The wettest month (with the highest rainfall) is March (291mm).
The driest month (with the least rainfall) is August (27mm).
Average rainfall days in September
Sentono, Indonesia
- Average rainfall days in September: 15.8 days
The month with the highest number of rainy days is March (30.5 days).
The month with the least rainy days is August (12.2 days).
Average daylight in September /
Average sunshine in September
Sentono, 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 54min
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days in September
Sentono, Indonesia
- Average sunshine days in September: 9.4 days
The month with the most sunshine days is August (14.4 days).
The months with the least sunshine days are January, February and March (0.3 days).
Average UV index in September
Sentono, Indonesia
- Average UV index in September: 6
The month with the highest UV index is October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, November and December (UV index 6).
Average cloud cover in September
Sentono, Indonesia
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Sentono, Indonesia
- Average visibility in September: 9km
The months with the highest visibility are June, July, August, September, October and December (9km).
The months with the lowest visibility are January, February, March, April, May and November (8km).
