September weather forecastWergu Kulon, Indonesia
September
Weather in September
September, the first month of the spring in Wergu Kulon, is also a hot month, with an average temperature fluctuating between 23.8°C (74.8°F) and 33.2°C (91.8°F).Temperature
On the advent of September, Wergu Kulon's average high-temperature exhibits a minor adjustment to a still tropical 33.2°C (91.8°F) from August's 32°C (89.6°F). The average low-temperature, in September, is a warm 23.8°C (74.8°F).Heat index
For most parts of September, the heat index is computed to be an extremely hot 42°C (107.6°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.Records show heat index calculations are tailored for shaded regions and mild winds. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', determines the feeling of heat when you account for the relative humidity. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.
Humidity
With an average relative humidity of 66%, September is the least humid month in Wergu Kulon.Rainfall
In Wergu Kulon, in September, during 11.6 rainfall days, 28mm (1.1") of precipitation is typically accumulated. In Wergu Kulon, during the entire year, the rain falls for 240.7 days and collects up to 1143mm (45") of precipitation.Daylight
The average length of the day in September is 12h and 4min.On the first day of the month, sunrise is at 05:37 and sunset at 17:36. On the last day of September, sunrise is at 05:21 and sunset at 17:31 WIB.
Sunshine
In September, the average sunshine is 9.7h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.Note: In September, a daily UV index of 7 turns into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Wergu Kulon, Indonesia
- Average high temperature in September: 33.2°C
The warmest month (with the highest average high temperature) is October (33.5°C).
The months with the lowest average high temperature are January and February (29.8°C).
- Average low temperature in September: 23.8°C
The month with the highest average low temperature is November (25.3°C).
The coldest months (with the lowest average low temperature) are July and August (23.3°C).
Average pressure in September
Wergu Kulon, Indonesia
- Average pressure in September: 1011.1mbar
The months with the highest atmospheric pressure are August and September (1011.1mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).
Average wind speed in September
Wergu Kulon, Indonesia
- Average wind speed in September: 8.6km/h
The windiest month (with the highest average wind speed) is January (10.5km/h).
The calmest month (with the lowest average wind speed) is April (5.9km/h).
Average humidity in September
Wergu Kulon, Indonesia
- Average humidity in September: 66%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is September (66%).
Average rainfall in September
Wergu Kulon, Indonesia
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is January (192mm).
The driest month (with the least rainfall) is August (16mm).
Average rainfall days in September
Wergu Kulon, Indonesia
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is January (27.7 days).
The month with the least rainy days is August (9.5 days).
Average daylight in September /
Average sunshine in September
Wergu Kulon, 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 42min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 7h and 48min).
Average sunshine days in September
Wergu Kulon, Indonesia
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is August (19.6 days).
The month with the least sunshine days is January (2.1 days).
Average UV index in September
Wergu Kulon, 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
Wergu Kulon, Indonesia
- Average cloud cover in September: 24
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in September
Wergu Kulon, 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).





