Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
The ideal sea water temperature of 28.3°C (82.9°F) and only 5.9 rainfall days, with 12mm (0.47") of accumulated rainfall, makes September the best time for swimming and other water activities.
Temperature
Shifting into September, Riung records an average high-temperature of a still warm 27.6°C (81.7°F), presenting minor fluctuations compared to the previous month. A modest decline from daytime high temperatures in Riung is noticed in September, marking the average low at a still moderately hot 24.8°C (76.6°F).Heat index
Throughout September, the heat index is appraised at a hot 30°C (86°F). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.Understand that the heat index values take into account shaded locations and mild winds. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', provides an understanding of perceived warmth by combining temperature and relative humidity. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Humidity
The average relative humidity in September in Riung is 75%.Rainfall
In Riung, in September, during 5.9 rainfall days, 12mm (0.47") of precipitation is typically accumulated. In Riung, during the entire year, the rain falls for 190.3 days and collects up to 1021mm (40.2") of precipitation.Sea temperature
In September, the average sea temperature is 28.3°C (82.9°F).Note: For activities in the water such as swimming or diving, temperatures from 25°C (77°F) to 29°C (84.2°F) are considered optimal for prolonged enjoyment without discomfort.
Daylight
The average length of the day in September is 12h and 4min.On the first day of the month, sunrise is at 05:57 and sunset at 17:54. On the last day of September, in Riung, sunrise is at 05:40 and sunset at 17:51 WITA.
Sunshine
In Riung, the average sunshine in September is 9.9h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index in Riung. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the average maximum UV index of 7 translates into the following recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Caution! The Sun's UV rays become stronger due to reflections from water and sand.
Frequently asked questions
What is the temperature in September in Riung?
What is the average humidity in September in Riung?
How many days does it rain in September in Riung?
What is the water temperature in September in Riung?
What is the average length of the day in September in Riung?
What time are sunrise and sunset in September in Riung?
How long on average sun shines in September in Riung?
When is the highest UV index in Riung?
What are the months with the lowest UV index in Riung?
What is the UV index reading in September in Riung?
Average temperature in September
Riung, Indonesia
- Average high temperature in September: 27.6°C
The warmest month (with the highest average high temperature) is November (29.3°C).
The month with the lowest average high temperature is July (26.7°C).
- Average low temperature in September: 24.8°C
The month with the highest average low temperature is December (26.7°C).
The coldest month (with the lowest average low temperature) is August (24°C).
Average pressure in September
Riung, Indonesia
- Average pressure in September: 1011.7mbar
The month with the highest atmospheric pressure is August (1012.1mbar).
The months with the lowest atmospheric pressure are January and December (1007.9mbar).
Average wind speed in September
Riung, Indonesia
- Average wind speed in September: 8.5km/h
The windiest month (with the highest average wind speed) is July (10.7km/h).
The calmest month (with the lowest average wind speed) is November (6.2km/h).
Average humidity in September
Riung, Indonesia
- Average humidity in September: 75%
The months with the highest relative humidity are January and May (78%).
The months with the lowest relative humidity are August and October (74%).
Average rainfall in September
Riung, Indonesia
- Average rainfall in September: 12mm
The wettest month (with the highest rainfall) is January (204mm).
The driest month (with the least rainfall) is August (8mm).
Average rainfall days in September
Riung, Indonesia
- Average rainfall days in September: 5.9 days
The month with the highest number of rainy days is December (26.6 days).
The month with the least rainy days is August (5.5 days).
Average sea temperature in September
Riung, Indonesia
- Average sea temperature in September: 28.3°C
The best month for swimming (with the highest average sea temperature) is December (30.7°C).
The coldest month (with the lowest average sea temperature) is July (27.6°C).
Average daylight in September /
Average sunshine in September
Riung, Indonesia
- Average daylight in September: 12h and 1min
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 36min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is December (Average sunshine: 10h and 42min).
The month with the least sunshine is June (Average sunshine: 7h and 0min).
Average sunshine days in September
Riung, Indonesia
- Average sunshine days in September: 20.5 days
The month with the most sunshine days is August (22.1 days).
The month with the least sunshine days is December (2 days).
Average UV index in September
Riung, 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
Riung, Indonesia
- Average cloud cover in September: 12
The month with the most cloud cover is January (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 12).
Average visibility in September
Riung, Indonesia
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Riung, Indonesia
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