September weather forecastSingkil, Indonesia
September
Weather in September
September, the first month of the autumn in Singkil, is also a moderately hot month, with temperature in the range of an average low of 26.6°C (79.9°F) and an average high of 28.5°C (83.3°F).Temperature
Singkil ushers in September with an average high-temperature of a still moderately hot 28.5°C (83.3°F), showing a close resemblance to the previous month. September nights cool to an average low-temperature of 26.6°C (79.9°F), a marginal decrease from its daytime equivalent.Heat index
In September, the heat index is computed to be a hot 33°C (91.4°F). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
In Singkil, the average relative humidity in September is 76%.Rainfall
In Singkil, during September, the rain falls for 22.4 days and regularly aggregates up to 145mm (5.71") of precipitation. In Singkil, during the entire year, the rain falls for 275.8 days and collects up to 1985mm (78.15") of precipitation.Daylight
In Singkil, the average length of the day in September is 12h and 8min.On the first day of September, sunrise is at 06:24 and sunset at 18:33. On the last day of the month, sunrise is at 06:15 and sunset at 18:21 WIB.
Sunshine
The average sunshine in September is 7.5h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 7 in September translates into the following recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Singkil, Indonesia
- Average high temperature in September: 28.5°C
The warmest months (with the highest average high temperature) are March and May (29.3°C).
The month with the lowest average high temperature is November (27.9°C).
- Average low temperature in September: 26.6°C
The month with the highest average low temperature is May (27.5°C).
The coldest month (with the lowest average low temperature) is December (26.3°C).
Average pressure in September
Singkil, Indonesia
- Average pressure in September: 1011mbar
The month with the highest atmospheric pressure is September (1011mbar).
The month with the lowest atmospheric pressure is May (1009.8mbar).
Average wind speed in September
Singkil, Indonesia
- Average wind speed in September: 9.1km/h
The windiest month (with the highest average wind speed) is November (9.5km/h).
The calmest months (with the lowest average wind speed) are January and April (7.9km/h).
Average humidity in September
Singkil, Indonesia
- Average humidity in September: 76%
The month with the highest relative humidity is November (78%).
The months with the lowest relative humidity are February, June and July (74%).
Average rainfall in September
Singkil, Indonesia
- Average rainfall in September: 145mm
The wettest month (with the highest rainfall) is November (250mm).
The driest month (with the least rainfall) is June (116mm).
Average rainfall days in September
Singkil, Indonesia
- Average rainfall days in September: 22.4 days
The month with the highest number of rainy days is November (25.9 days).
The month with the least rainy days is June (18.3 days).
Average daylight in September /
Average sunshine in September
Singkil, Indonesia
- Average daylight in September: 12h and 6min
The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 12h and 0min).
- Average sunshine in September: 7h and 30min
The months with the most sunshine are February and June (Average sunshine: 8h and 30min).
The month with the least sunshine is November (Average sunshine: 6h and 54min).
Average sunshine days in September
Singkil, Indonesia
- Average sunshine days in September: 6 days
The month with the most sunshine days is June (9.9 days).
The month with the least sunshine days is November (3.6 days).
Average UV index in September
Singkil, 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
Singkil, Indonesia
- Average cloud cover in September: 49
The month with the most cloud cover is November (Cloud cover 55).
The month with the least cloud cover is February (Cloud cover 38).
Average visibility in September
Singkil, Indonesia
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September and December (10km).
The months with the lowest visibility are October and November (9km).





