September weather forecastMenteng, Indonesia
September
Weather in September
The first month of the spring, September, is also a hot month in Menteng, Indonesia, with an average temperature fluctuating between 25°C (77°F) and 31.2°C (88.2°F).Temperature
As September unfolds, the average high-temperature reaches a still tropical 31.2°C (88.2°F), hinting at a slight fluctuation from the previous month. In Menteng, the average temperature during the nights of September drops to a warm 25°C (77°F).Heat index
The average heat index in September is evaluated at a fiery hot 38°C (100.4°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.When referencing the heat index, its values are suitable for shady environments and light breezes. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. 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 extremely significant for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.
Humidity
In September, the average relative humidity in Menteng is 68%.Rainfall
In Menteng, in September, during 13.5 rainfall days, 46mm (1.81") of precipitation is typically accumulated. In Menteng, during the entire year, the rain falls for 252 days and collects up to 1150mm (45.28") of precipitation.Daylight
In September, the average length of the day is 12h and 4min.On the first day of September in Menteng, sunrise is at 05:52 and sunset at 17:52. On the last day of the month, sunrise is at 05:37 and sunset at 17:47 WIB.
Sunshine
In September, the average sunshine in Menteng, Indonesia, is 9.6h.UV index
The months with the highest UV index in Menteng 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 reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 7 in September translates into these instructions:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Menteng, Indonesia
- Average high temperature in September: 31.2°C
The warmest month (with the highest average high temperature) is October (31.8°C).
The months with the lowest average high temperature are January and February (29.8°C).
- Average low temperature in September: 25°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 (24.7°C).
Average pressure in September
Menteng, 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
Menteng, Indonesia
- Average wind speed in September: 8.8km/h
The windiest month (with the highest average wind speed) is January (12.4km/h).
The calmest month (with the lowest average wind speed) is November (8.1km/h).
Average humidity in September
Menteng, Indonesia
- Average humidity in September: 68%
The month with the highest relative humidity is February (76%).
The month with the lowest relative humidity is October (67%).
Average rainfall in September
Menteng, Indonesia
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is March (144mm).
The driest month (with the least rainfall) is August (35mm).
Average rainfall days in September
Menteng, Indonesia
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is March (26.1 days).
The month with the least rainy days is August (11.6 days).
Average daylight in September /
Average sunshine in September
Menteng, 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 36min
The month with the most sunshine is March (Average sunshine: 10h and 12min).
The month with the least sunshine is July (Average sunshine: 7h and 18min).
Average sunshine days in September
Menteng, Indonesia
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is August (16 days).
The month with the least sunshine days is February (2.6 days).
Average UV index in September
Menteng, 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
Menteng, Indonesia
- Average cloud cover in September: 22
The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in September
Menteng, 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).
