September weather forecastCEPIT, Indonesia
September
Weather in September
September, the first month of the spring in CEPIT, is also a moderately hot month, with an average temperature ranging between min 22.3°C (72.1°F) and max 28.4°C (83.1°F).Temperature
With the advent of September, CEPIT's high-temperatures adjust to a still warm 28.4°C (83.1°F), closely aligning with the preceding month. During the nights in September, CEPIT observes an average low-temperature of 22.3°C (72.1°F).Heat index
The heat index value for September is calculated to be a tropical 33°C (91.4°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.Heat index values are typically calculated for conditions of shade and a light breeze. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Humidity
September and October, with an average relative humidity of 79%, are the least humid months in CEPIT.Rainfall
In CEPIT, in September, it is raining for 14.9 days, with typically 24mm (0.94") of accumulated precipitation. In CEPIT, during the entire year, the rain falls for 246 days and collects up to 906mm (35.67") of precipitation.Daylight
In CEPIT, 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 17:36. On the last day of September, in CEPIT, sunrise is at 05:22 and sunset at 17:32 WIB.
Sunshine
The average sunshine in September is 8.7h.UV index
February through May, September through December, with an average maximum UV index of 7, are months with the highest UV index in CEPIT, Indonesia. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 7 during September translates into these guidelines:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
CEPIT, Indonesia
- Average high temperature in September: 28.4°C
The warmest month (with the highest average high temperature) is October (29.4°C).
The month with the lowest average high temperature is July (27.8°C).
- Average low temperature in September: 22.3°C
The months with the highest average low temperature are January and November (24.3°C).
The coldest month (with the lowest average low temperature) is August (21.9°C).
Average pressure in September
CEPIT, Indonesia
- Average pressure in September: 1011.9mbar
The months with the highest atmospheric pressure are August and September (1011.9mbar).
The month with the lowest atmospheric pressure is December (1009.1mbar).
Average wind speed in September
CEPIT, Indonesia
- Average wind speed in September: 13.3km/h
The windiest month (with the highest average wind speed) is August (14.5km/h).
The calmest month (with the lowest average wind speed) is March (8.4km/h).
Average humidity in September
CEPIT, Indonesia
- Average humidity in September: 79%
The months with the highest relative humidity are May and June (82%).
The months with the lowest relative humidity are September and October (79%).
Average rainfall in September
CEPIT, Indonesia
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is January (126mm).
The driest month (with the least rainfall) is August (14mm).
Average rainfall days in September
CEPIT, Indonesia
- Average rainfall days in September: 14.9 days
The months with the highest number of rainy days are January, March and November (24.7 days).
The month with the least rainy days is August (11.4 days).
Average daylight in September /
Average sunshine in September
CEPIT, 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: 8h and 42min
The month with the most sunshine is February (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).
Average sunshine days in September
CEPIT, Indonesia
- Average sunshine days in September: 8.9 days
The month with the most sunshine days is August (11.6 days).
The month with the least sunshine days is November (3.4 days).
Average UV index in September
CEPIT, Indonesia
- Average UV index in September: 7
The months with the highest UV index are February, March, April, May, September, October, November and December (UV index 7).
The months with the lowest UV index are January, June, July and August (UV index 6).
Average cloud cover in September
CEPIT, Indonesia
- Average cloud cover in September: 40
The months with the most cloud cover are January and December (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 35).
Average visibility in September
CEPIT, Indonesia
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
