September weather forecastSurodinawan, Indonesia
September
Weather in September
The first month of the spring, September, is also a hot month in Surodinawan, Indonesia, with an average temperature fluctuating between 22.4°C (72.3°F) and 33.6°C (92.5°F).Temperature
Surodinawan's average high-temperature marks a still hot 33.6°C (92.5°F) with the advent of September, closely mirroring that of the preceding month. In the month of September, the average temperature dips to a pleasant 22.4°C (72.3°F) during the night.Heat index
Throughout September, the heat index is appraised at a blistering 42°C (107.6°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.Heat index values are typically calculated for conditions of shade and a light breeze. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance 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.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.
Humidity
The months with the lowest humidity are September and October, with an average relative humidity of 62%.Rainfall
In Surodinawan, in September, it is raining for 5.2 days, with typically 12mm (0.47") of accumulated precipitation. Throughout the year, there are 218.1 rainfall days, and 1410mm (55.51") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 4min.On the first day of September in Surodinawan, sunrise is at 05:31 and sunset at 17:29. On the last day of the month, sunrise is at 05:15 and sunset at 17:25 WIB.
Sunshine
August through October, with an average of 9.7h of sunshine, are months with the most sunshine.UV index
February, April through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 7 in September translates into these instructions:
Guard against overexposure. Protection from sun-induced harm is essential. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. 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
Surodinawan, Indonesia
- Average high temperature in September: 33.6°C
The warmest month (with the highest average high temperature) is October (34.6°C).
The month with the lowest average high temperature is February (30.1°C).
- Average low temperature in September: 22.4°C
The month with the highest average low temperature is November (24.9°C).
The coldest months (with the lowest average low temperature) are July and August (21.8°C).
Average pressure in September
Surodinawan, Indonesia
- Average pressure in September: 1011.4mbar
The months with the highest atmospheric pressure are August and September (1011.4mbar).
The month with the lowest atmospheric pressure is December (1008.7mbar).
Average wind speed in September
Surodinawan, Indonesia
- Average wind speed in September: 7.7km/h
The windiest month (with the highest average wind speed) is September (7.7km/h).
The calmest month (with the lowest average wind speed) is April (5.4km/h).
Average humidity in September
Surodinawan, Indonesia
- Average humidity in September: 62%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are September and October (62%).
Average rainfall in September
Surodinawan, Indonesia
- Average rainfall in September: 12mm
The wettest month (with the highest rainfall) is February (273mm).
The driest month (with the least rainfall) is August (6mm).
Average rainfall days in September
Surodinawan, Indonesia
- Average rainfall days in September: 5.2 days
The month with the highest number of rainy days is January (30.1 days).
The month with the least rainy days is August (4 days).
Average daylight in September /
Average sunshine in September
Surodinawan, 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: 9h and 42min
The months with the most sunshine are August, September and October (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 7h and 6min).
Average sunshine days in September
Surodinawan, Indonesia
- Average sunshine days in September: 23.8 days
The month with the most sunshine days is August (26.5 days).
The month with the least sunshine days is February (0.3 days).
Average UV index in September
Surodinawan, Indonesia
- Average UV index in September: 7
The months with the highest UV index are February, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January and March (UV index 6).
Average cloud cover in September
Surodinawan, Indonesia
- Average cloud cover in September: 17
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are August and September (Cloud cover 17).
Average visibility in September
Surodinawan, Indonesia
- Average visibility in September: 10km
The months with the highest visibility are June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and March (8km).





