September weather forecastCiruas, Indonesia
September
Weather in September
The first month of the spring, September, is still a hot month in Ciruas, Indonesia, with an average temperature varying between 31.2°C (88.2°F) and 24.9°C (76.8°F).Temperature
The shift to September signals an average high-temperature of a still hot 31.2°C (88.2°F), subtly varied from August's 30.7°C (87.3°F). Throughout the month of September, Ciruas sees a steady low-temperature average of 24.9°C (76.8°F).Heat index
During September, the heat index is estimated at a sweltering 38°C (100.4°F). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', shows a temperature sensation when both heat and moisture conditions are combined. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are of high significance for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
By perspiring, the human body can shed its excessive warmth since evaporated sweat cools it off. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Overheating and potential dehydration arise when body heat gain eclipses its release capability.
Humidity
September and October, with an average relative humidity of 71%, are the least humid months.Rainfall
The month with the least rainfall is September, when the rain falls for 11.9 days and typically collects 27mm (1.06") of precipitation.Daylight
In Ciruas, the average length of the day in September is 12h and 4min.On the first day of September, sunrise is at 05:54 and sunset at 17:54. On the last day of the month, sunrise is at 05:40 and sunset at 17:49 WIB.
Sunshine
The month with the most sunshine is September, with an average of 9.4h of sunshine.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 estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 7 in September, converts into the following recommendations:
Shield from overexposure. Defense against sun-related harm is required. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ciruas, Indonesia
- Average high temperature in September: 31.2°C
The warmest month (with the highest average high temperature) is October (31.6°C).
The month with the lowest average high temperature is January (29.6°C).
- Average low temperature in September: 24.9°C
The months with the highest average low temperature are May and November (26°C).
The coldest month (with the lowest average low temperature) is August (24.5°C).
Average pressure in September
Ciruas, Indonesia
- Average pressure in September: 1011.1mbar
The month with the highest atmospheric pressure is September (1011.1mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).
Average wind speed in September
Ciruas, Indonesia
- Average wind speed in September: 6.2km/h
The windiest months (with the highest average wind speed) are January and December (11.3km/h).
The calmest month (with the lowest average wind speed) is September (6.2km/h).
Average humidity in September
Ciruas, Indonesia
- Average humidity in September: 71%
The months with the highest relative humidity are February and March (78%).
The months with the lowest relative humidity are September and October (71%).
Average rainfall in September
Ciruas, Indonesia
- Average rainfall in September: 27mm
The wettest months (with the highest rainfall) are January and February (180mm).
The driest month (with the least rainfall) is September (27mm).
Average rainfall days in September
Ciruas, Indonesia
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is January (28.8 days).
The month with the least rainy days is August (11.3 days).
Average daylight in September /
Average sunshine in September
Ciruas, 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 48min).
- Average sunshine in September: 9h and 24min
The month with the most sunshine is September (Average sunshine: 9h and 24min).
The months with the least sunshine are June and July (Average sunshine: 7h and 12min).
Average sunshine days in September
Ciruas, Indonesia
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is August (16.9 days).
The month with the least sunshine days is January (0.6 days).
Average UV index in September
Ciruas, 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
Ciruas, Indonesia
- Average cloud cover in September: 23
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are August and September (Cloud cover 23).
Average visibility in September
Ciruas, 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).
