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 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
September
Weather in September
Temperature
The arrival of September sees an average high-temperature of a hot 30.8°C (87.4°F), hardly diverging from August's 29.9°C (85.8°F). Throughout September nights, Widarasari experiences a consistent temperature average of 22.8°C (73°F).Heat index
During September, the heat index is evaluated at a sweltering 37°C (98.6°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.In terms of the heat index, values are set with light wind and shade conditions in mind. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', melds the effects of warmth and moisture to generate a feeling of heat. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.
Humidity
The least humid month is September, with an average relative humidity of 70%.Rainfall
In Widarasari, during September, the rain falls for 10.7 days and regularly aggregates up to 22mm (0.87") of precipitation. Throughout the year, there are 244.1 rainfall days, and 1214mm (47.8") of precipitation is accumulated.Daylight
In September, the average length of the day in Widarasari is 12h and 4min.On the first day of the month, sunrise is at 05:46 and sunset at 17:45. On the last day of September, sunrise is at 05:30 and sunset at 17:40 WIB.
Sunshine
July through September, with an average of 9.7h of sunshine, are months with the most sunshine.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Widarasari, Indonesia. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The UV index of 7 during September leads to these advisories:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during September?
What is the least humid month?
What is the average humidity in September?
How many days does it rain in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
What are the months with the most sunshine?
How long on average sun shines in September?
What are the months with the highest UV index?
When is the lowest UV index?
How high is the UV index in September?
Average temperature in September
Widarasari, Indonesia
- Average high temperature in September: 30.8°C
The warmest month (with the highest average high temperature) is October (31.4°C).
The month with the lowest average high temperature is February (29.3°C).
- Average low temperature in September: 22.8°C
The month with the highest average low temperature is December (25.2°C).
The coldest month (with the lowest average low temperature) is August (22.5°C).
Average pressure in September
Widarasari, Indonesia
- Average pressure in September: 1011.3mbar
The months with the highest atmospheric pressure are August and September (1011.3mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).
Average wind speed in September
Widarasari, Indonesia
- Average wind speed in September: 12.5km/h
The windiest month (with the highest average wind speed) is August (12.8km/h).
The calmest month (with the lowest average wind speed) is April (7km/h).
Average humidity in September
Widarasari, Indonesia
- Average humidity in September: 70%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is September (70%).
Average rainfall in September
Widarasari, Indonesia
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is February (207mm).
The driest month (with the least rainfall) is August (13mm).
Average rainfall days in September
Widarasari, Indonesia
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is January (28.3 days).
The month with the least rainy days is August (7.2 days).
Average daylight in September /
Average sunshine in September
Widarasari, Indonesia
- Average daylight in September: 12h and 1min
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 4min
The months with the most sunshine are July, August and September (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 8h and 24min).
Average sunshine days in September
Widarasari, Indonesia
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is August (20.3 days).
The month with the least sunshine days is February (0.9 days).
Average UV index in September
Widarasari, 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
Widarasari, Indonesia
- Average cloud cover in September: 20
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Widarasari, Indonesia
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and February (9km).
