September weather forecastWatusari, Indonesia
September
Weather in September
The first month of the spring, September, is also a hot month in Watusari, Indonesia, with an average temperature fluctuating between 22.5°C (72.5°F) and 32.1°C (89.8°F).Temperature
The ushering in of September brings an average high-temperature of a still hot 32.1°C (89.8°F), closely mirroring the 31.3°C (88.3°F) of August. September brings Watusari a consistent average low-temperature of 22.5°C (72.5°F).Heat index
September's heat index is computed to be a blisteringly hot 40°C (104°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.Evaluating the heat index requires understanding its values in the shade and with gentle 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', is a measure of how hot it feels when the actual air humidity is factored in. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. 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.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.
Humidity
With an average relative humidity of 69%, September is the least humid month.Rainfall
In Watusari, in September, during 13.1 rainfall days, 32mm (1.26") of precipitation is typically accumulated. Throughout the year, there are 279.4 rainfall days, and 1733mm (68.23") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 4min.On the first day of the month, sunrise is at 05:38 and sunset at 17:37. On the last day of September, sunrise is at 05:23 and sunset at 17:33 WIB.
Sunshine
In Watusari, the average sunshine in September is 9.5h.UV index
February 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 threat to health from exposure to the Sun's UV radiation for the average person.Note: In September, a regular UV index of 7 translates into these guidelines:
Resist extreme sun exposure. Guarding against solar damage is essential. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Watusari, Indonesia
- Average high temperature in September: 32.1°C
The warmest month (with the highest average high temperature) is October (32.6°C).
The month with the lowest average high temperature is January (28.8°C).
- Average low temperature in September: 22.5°C
The months with the highest average low temperature are October and December (23.9°C).
The coldest months (with the lowest average low temperature) are July and August (22°C).
Average pressure in September
Watusari, Indonesia
- Average pressure in September: 1011.5mbar
The month with the highest atmospheric pressure is September (1011.5mbar).
The month with the lowest atmospheric pressure is December (1009mbar).
Average wind speed in September
Watusari, Indonesia
- Average wind speed in September: 6.4km/h
The windiest month (with the highest average wind speed) is January (7.8km/h).
The calmest month (with the lowest average wind speed) is April (4.7km/h).
Average humidity in September
Watusari, Indonesia
- Average humidity in September: 69%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is September (69%).
Average rainfall in September
Watusari, Indonesia
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is January (256mm).
The driest month (with the least rainfall) is August (17mm).
Average rainfall days in September
Watusari, Indonesia
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is January (30.5 days).
The month with the least rainy days is August (8.8 days).
Average daylight in September /
Average sunshine in September
Watusari, Indonesia
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 42min).
- Average sunshine in September: 9h and 30min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 7h and 36min).
Average sunshine days in September
Watusari, Indonesia
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is August (19.5 days).
The month with the least sunshine days is February (0.1 days).
Average UV index in September
Watusari, Indonesia
- Average UV index in September: 7
The months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is January (UV index 6).
Average cloud cover in September
Watusari, Indonesia
- Average cloud cover in September: 25
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in September
Watusari, Indonesia
- Average visibility in September: 10km
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, May, November and December (9km).
