September weather forecastMukusaki, Indonesia
September
Weather in September
The first month of the spring, September, is also a moderately hot month in Mukusaki, Indonesia, with an average temperature ranging between min 24.8°C (76.6°F) and max 27.6°C (81.7°F).An excellent water temperature of 27.8°C (82°F) and only 5.9 rainfall days, with 12mm (0.47") of accumulated rainfall, makes September a prime for swimming and other water activities.
Temperature
September's arrival shows an average high-temperature of a still warm 27.6°C (81.7°F), hardly different from the previous month. The nighttime temperature in September experiences a minor dip, averaging a still moderately hot 24.8°C (76.6°F).Heat index
During September, the heat index is computed to be a hot 30°C (86°F). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.The standards for the heat index are set for locations in shade and under light breezes. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', 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. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
In September, the average relative humidity is 75%.Rainfall
In Mukusaki, in September, it is raining for 5.9 days, with typically 12mm (0.47") of accumulated precipitation. Throughout the year, there are 190.3 rainfall days, and 1021mm (40.2") of precipitation is accumulated.Sea temperature
In Mukusaki, the average seawater temperature in September is 27.8°C (82°F).Note: Engaging in swimming, diving, or other water activities is highly enjoyable in temperatures ranging from 25°C (77°F) to 29°C (84.2°F), without any unpleasant sensations for prolonged durations.
Daylight
In Mukusaki, the average length of the day in September is 12h and 4min.On the first day of the month, sunrise is at 05:54 and sunset at 17:52. On the last day of September, sunrise is at 05:38 and sunset at 17:48 WITA.
Sunshine
In Mukusaki, 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. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index, 7 in September, converts into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. 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. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Beware! Reflecting off water and sand, UV rays are much stronger.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mukusaki, 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
Mukusaki, 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
Mukusaki, 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
Mukusaki, 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
Mukusaki, 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
Mukusaki, 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
Mukusaki, Indonesia
- Average sea temperature in September: 27.8°C
The best month for swimming (with the highest average sea temperature) is December (30.3°C).
The coldest month (with the lowest average sea temperature) is August (27.1°C).
Average daylight in September /
Average sunshine in September
Mukusaki, 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 36min).
- Average sunshine in September: 9h and 54min
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
Mukusaki, 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
Mukusaki, 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
Mukusaki, 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
Mukusaki, 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).
