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 start of September sees the average high-temperature at a still moderately hot 27.3°C (81.1°F), showing little difference from August's 26.2°C (79.2°F). During September, Trajeng records a consistent average nighttime temperature of 18.3°C (64.9°F).Heat index
The heat index value for September is computed to be a hot 30°C (86°F). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.Heat index readings emphasize conditions of light breezes and shaded spots. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
The average relative humidity in September is 79%.Rainfall
In Trajeng, during September, the rain falls for 18.1 days and regularly aggregates up to 84mm (3.31") of precipitation. Throughout the year, in Trajeng, there are 313.2 rainfall days, and 3812mm (150.08") 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 05:29 and sunset at 17:27. On the last day of September, sunrise is at 05:13 and sunset at 17:23 WIB.
Sunshine
With an average of 8.4h of sunshine, September has the most sunshine of the year.UV index
The months with the highest UV index are February through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.Note: In September, a regular UV index of 6 translates into these guidelines:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Trajeng in September?
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?
When is the sunrise / sunset in September?
What month has the most sunshine?
How many hours of sunshine does Trajeng have in September?
What is the month with the highest UV index?
How high is the UV index in September?
Average temperature in September
Trajeng, Indonesia
- Average high temperature in September: 27.3°C
The warmest month (with the highest average high temperature) is October (28.3°C).
The month with the lowest average high temperature is January (25.3°C).
- Average low temperature in September: 18.3°C
The month with the highest average low temperature is November (20.5°C).
The coldest month (with the lowest average low temperature) is August (17.8°C).
Average pressure in September
Trajeng, Indonesia
- Average pressure in September: 1011.7mbar
The month with the highest atmospheric pressure is August (1011.8mbar).
The month with the lowest atmospheric pressure is December (1008.8mbar).
Average wind speed in September
Trajeng, Indonesia
- Average wind speed in September: 6.9km/h
The windiest month (with the highest average wind speed) is August (7.1km/h).
The calmest month (with the lowest average wind speed) is April (4.1km/h).
Average humidity in September
Trajeng, Indonesia
- Average humidity in September: 79%
The months with the highest relative humidity are February and March (90%).
The month with the lowest relative humidity is October (78%).
Average rainfall in September
Trajeng, Indonesia
- Average rainfall in September: 84mm
The wettest month (with the highest rainfall) is January (627mm).
The driest month (with the least rainfall) is August (35mm).
Average rainfall days in September
Trajeng, Indonesia
- Average rainfall days in September: 18.1 days
The month with the highest number of rainy days is January (30.9 days).
The month with the least rainy days is August (17.5 days).
Average daylight in September /
Average sunshine in September
Trajeng, Indonesia
- Average daylight in September: 12h and 1min
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: 8h and 2min
The month with the most sunshine is September (Average sunshine: 8h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in September
Trajeng, Indonesia
- Average sunshine days in September: 9.6 days
The month with the most sunshine days is August (11.1 days).
The months with the least sunshine days are January, February and April (0 days).
Average UV index in September
Trajeng, Indonesia
- Average UV index in September: 6
The months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The month with the lowest UV index is January (UV index 5).
Average cloud cover in September
Trajeng, Indonesia
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is September (Cloud cover 42).
Average visibility in September
Trajeng, Indonesia
- Average visibility in September: 8km
The months with the highest visibility are September and October (8km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, November and December (7km).
