September weather forecastRatahan, Indonesia
September
Weather in September
September, the first month of the autumn in Ratahan, is still a hot month, with temperature in the range of an average low of 24°C (75.2°F) and an average high of 30.4°C (86.7°F).Temperature
September commences with an average high-temperature of a still hot 30.4°C (86.7°F), showing little deviation from August's 30.2°C (86.4°F). An average low-temperature of 24°C (75.2°F) is noted during the nights in September.Heat index
The heat index value for September is estimated at a sweltering 38°C (100.4°F). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is achieved by amalgamating air temperature with the relative humidity readings. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
Humidity
September is the least humid month in Ratahan, with an average relative humidity of 76%.Rainfall
September is the month with the least rainfall in Ratahan. Rain falls for 19.5 days and accumulates 69mm (2.72") of precipitation.Daylight
In Ratahan, the average length of the day in September is 12h and 7min.On the first day of the month, sunrise is at 05:36 and sunset at 17:44. On the last day of September, in Ratahan, Indonesia, sunrise is at 05:27 and sunset at 17:33 WITA.
Sunshine
September has the most sunshine of the year, with an average of 9.3h of sunshine.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Ratahan are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 7 during September leads to these instructions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ratahan, Indonesia
- Average high temperature in September: 30.4°C
The warmest month (with the highest average high temperature) is October (30.5°C).
The month with the lowest average high temperature is February (28.1°C).
- Average low temperature in September: 24°C
The month with the highest average low temperature is May (24.8°C).
The coldest month (with the lowest average low temperature) is March (23.8°C).
Average pressure in September
Ratahan, Indonesia
- Average pressure in September: 1010.1mbar
The month with the highest atmospheric pressure is September (1010.1mbar).
The month with the lowest atmospheric pressure is December (1008.5mbar).
Average wind speed in September
Ratahan, Indonesia
- Average wind speed in September: 5.7km/h
The windiest month (with the highest average wind speed) is February (8.2km/h).
The calmest month (with the lowest average wind speed) is May (5.3km/h).
Average humidity in September
Ratahan, Indonesia
- Average humidity in September: 76%
The months with the highest relative humidity are January, February and March (83%).
The month with the lowest relative humidity is September (76%).
Average rainfall in September
Ratahan, Indonesia
- Average rainfall in September: 69mm
The wettest month (with the highest rainfall) is June (161mm).
The driest month (with the least rainfall) is September (69mm).
Average rainfall days in September
Ratahan, Indonesia
- Average rainfall days in September: 19.5 days
The month with the highest number of rainy days is May (28.3 days).
The month with the least rainy days is September (19.5 days).
Average daylight in September /
Average sunshine in September
Ratahan, Indonesia
- Average daylight in September: 12h and 6min
The month with the longest days is June (Average daylight: 12h and 12min).
The month with the shortest days is December (Average daylight: 12h and 6min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is September (Average sunshine: 9h and 18min).
The months with the least sunshine are January and February (Average sunshine: 7h and 36min).
Average sunshine days in September
Ratahan, Indonesia
- Average sunshine days in September: 8 days
The month with the most sunshine days is August (8.6 days).
The month with the least sunshine days is November (1 days).
Average UV index in September
Ratahan, 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
Ratahan, Indonesia
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in September
Ratahan, Indonesia
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
