September weather forecastGemurung, Indonesia
September
Weather in September
The first month of the spring, September, is still a tropical month in Gemurung, Indonesia, with temperature in the range of an average high of 31.7°C (89.1°F) and an average low of 24.4°C (75.9°F).Temperature
The dawn of September sees an average high-temperature of a still tropical 31.7°C (89.1°F), subtly contrasting with August's 30.8°C (87.4°F). During September, Gemurung records an average temperature of 24.4°C (75.9°F) at night.Heat index
During September, the heat index is calculated to be a very hot 38°C (100.4°F). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.Heat index values are typically calculated for conditions of shade and a light breeze. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', blends air temperature and moisture content to represent the felt temperature to humans. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are primarily vital for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.
Humidity
In September, the average relative humidity is 65%.Rainfall
In Gemurung, in September, during 4.1 rainfall days, 8mm (0.31") of precipitation is typically accumulated. Throughout the year, in Gemurung, Indonesia, there are 187.8 rainfall days, and 839mm (33.03") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 4min.On the first day of September in Gemurung, sunrise is at 05:29 and sunset at 17:28. On the last day of the month, sunrise is at 05:13 and sunset at 17:23 WIB.
Sunshine
August through October, with an average of 9.9h of sunshine, are months with the most sunshine in Gemurung.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index in Gemurung. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Gemurung, Indonesia. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 7 in September interprets into the following advice:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gemurung, Indonesia
- Average high temperature in September: 31.7°C
The warmest month (with the highest average high temperature) is October (32.9°C).
The months with the lowest average high temperature are January, February and July (30.1°C).
- Average low temperature in September: 24.4°C
The month with the highest average low temperature is November (26.5°C).
The coldest month (with the lowest average low temperature) is August (24.2°C).
Average pressure in September
Gemurung, Indonesia
- Average pressure in September: 1011.3mbar
The month with the highest atmospheric pressure is August (1011.4mbar).
The month with the lowest atmospheric pressure is December (1008.7mbar).
Average wind speed in September
Gemurung, Indonesia
- Average wind speed in September: 9.7km/h
The windiest month (with the highest average wind speed) is August (9.9km/h).
The calmest month (with the lowest average wind speed) is April (6.3km/h).
Average humidity in September
Gemurung, Indonesia
- Average humidity in September: 65%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is October (63%).
Average rainfall in September
Gemurung, Indonesia
- Average rainfall in September: 8mm
The wettest month (with the highest rainfall) is February (179mm).
The driest month (with the least rainfall) is August (4mm).
Average rainfall days in September
Gemurung, Indonesia
- Average rainfall days in September: 4.1 days
The month with the highest number of rainy days is January (27 days).
The month with the least rainy days is August (3.7 days).
Average daylight in September /
Average sunshine in September
Gemurung, 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 54min
The months with the most sunshine are August, September and October (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 8h and 6min).
Average sunshine days in September
Gemurung, Indonesia
- Average sunshine days in September: 23.7 days
The month with the most sunshine days is August (26 days).
The month with the least sunshine days is February (2.8 days).
Average UV index in September
Gemurung, 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
Gemurung, Indonesia
- Average cloud cover in September: 12
The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in September
Gemurung, 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).
