September weather forecastWirun, Indonesia
September
Weather in September
The first month of the spring, September, is a hot month in Wirun, Indonesia, with an average temperature fluctuating between 21.1°C (70°F) and 30.6°C (87.1°F).Temperature
With the onset of September, the average high-temperature stands at a tropical 30.6°C (87.1°F), closely aligned with August's 29.5°C (85.1°F). Nighttime temperature dips to a mean of 21.1°C (70°F) during September.Heat index
The heat index value during September is estimated at a very hot 38°C (100.4°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.Bear in mind that the heat index values are determined for shaded areas and light breezes. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.
Humidity
The months with the lowest humidity are September and October, with an average relative humidity of 74%.Rainfall
In Wirun, in September, it is raining for 13.8 days, with typically 48mm (1.89") of accumulated precipitation. Throughout the year, there are 276.8 rainfall days, and 2048mm (80.63") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 4min.On the first day of the month, sunrise is at 05:37 and sunset at 17:35. On the last day of September, sunrise is at 05:21 and sunset at 17:31 WIB.
Sunshine
August and September, with an average of 9.2h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index are September and October, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 7 in September translates into this advice:
Evade overexposure. Individuals with fair skin risk burning in under 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. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Wirun, Indonesia
- Average high temperature in September: 30.6°C
The warmest month (with the highest average high temperature) is October (31.4°C).
The month with the lowest average high temperature is July (28.4°C).
- Average low temperature in September: 21.1°C
The month with the highest average low temperature is November (22.7°C).
The coldest month (with the lowest average low temperature) is August (20.3°C).
Average pressure in September
Wirun, Indonesia
- Average pressure in September: 1011.6mbar
The months with the highest atmospheric pressure are August and September (1011.6mbar).
The month with the lowest atmospheric pressure is December (1009mbar).
Average wind speed in September
Wirun, Indonesia
- Average wind speed in September: 9.7km/h
The windiest month (with the highest average wind speed) is September (9.7km/h).
The calmest month (with the lowest average wind speed) is April (5.6km/h).
Average humidity in September
Wirun, Indonesia
- Average humidity in September: 74%
The months with the highest relative humidity are January, February, March and April (85%).
The months with the lowest relative humidity are September and October (74%).
Average rainfall in September
Wirun, Indonesia
- Average rainfall in September: 48mm
The wettest month (with the highest rainfall) is March (313mm).
The driest month (with the least rainfall) is August (29mm).
Average rainfall days in September
Wirun, Indonesia
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is January (30.5 days).
The month with the least rainy days is August (8.9 days).
Average daylight in September /
Average sunshine in September
Wirun, 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 12min
The months with the most sunshine are August and September (Average sunshine: 9h and 12min).
The months with the least sunshine are January and December (Average sunshine: 7h and 0min).
Average sunshine days in September
Wirun, Indonesia
- Average sunshine days in September: 13 days
The month with the most sunshine days is August (19.4 days).
The month with the least sunshine days is February (0.2 days).
Average UV index in September
Wirun, Indonesia
- Average UV index in September: 7
The months with the highest UV index are September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, November and December (UV index 6).
Average cloud cover in September
Wirun, Indonesia
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Wirun, Indonesia
- Average visibility in September: 9km
The months with the highest visibility are June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, April, May, November and December (8km).
