September weather forecastLong Nawi, Indonesia
September weather forecast for Long Nawi, Indonesia: The first month of the autumn, September, is also a moderately hot month in Long Nawi, Indonesia, with temperature in the range of an average low of 17.3°C (63.1°F) and an average high of 27.9°C (82.2°F). The average heat index, which combines air temperature and relative humidity, in September is appraised at 32°C (89.6°F).
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Long Nawi, Indonesia, with temperature in the range of an average low of 17.3°C (63.1°F) and an average high of 27.9°C (82.2°F).Temperature
Long Nawi greets September with an average high-temperature of a still warm 27.9°C (82.2°F), marking a slight deviation from the preceding month. Long Nawi temperatures generally rest at a low of 17.3°C (63.1°F) during the September nights.Heat index
The heat index for September is appraised at a hot 32°C (89.6°F). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.It is essential to grasp that the heat index's numbers are for shade and light wind settings. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Humidity
The months with the lowest humidity are July through September, with an average relative humidity of 84%.Rainfall
The month with the least rainfall is September, when the rain falls for 25.4 days and typically collects 121mm (4.76") of precipitation.Daylight
In Long Nawi, the average length of the day in September is 12h and 8min.On the first day of the month, sunrise is at 06:10 and sunset at 18:21. On the last day of September, sunrise is at 06:03 and sunset at 18:08 WITA.
Sunshine
With an average of 7.9h of sunshine, September has the most sunshine of the year in Long Nawi.UV index
February through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In September, an average UV index of 6 transforms into the following instructions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. 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. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Long Nawi, Indonesia
- Average high temperature in September: 27.9°C
The warmest month (with the highest average high temperature) is May (28°C).
The month with the lowest average high temperature is January (26.3°C).
- Average low temperature in September: 17.3°C
The month with the highest average low temperature is December (18.3°C).
The coldest month (with the lowest average low temperature) is July (16.9°C).
Average pressure in September
Long Nawi, Indonesia
- Average pressure in September: 1010.9mbar
The months with the highest atmospheric pressure are February and March (1011.3mbar).
The months with the lowest atmospheric pressure are November and December (1010.1mbar).
Average wind speed in September
Long Nawi, Indonesia
- Average wind speed in September: 3km/h
The windiest month (with the highest average wind speed) is February (3.4km/h).
The calmest month (with the lowest average wind speed) is June (2.7km/h).
Average humidity in September
Long Nawi, Indonesia
- Average humidity in September: 84%
The months with the highest relative humidity are January, April and November (89%).
The months with the lowest relative humidity are July, August and September (84%).
Average rainfall in September
Long Nawi, Indonesia
- Average rainfall in September: 121mm
The wettest month (with the highest rainfall) is April (260mm).
The driest month (with the least rainfall) is September (121mm).
Average rainfall days in September
Long Nawi, Indonesia
- Average rainfall days in September: 25.4 days
The month with the highest number of rainy days is May (29.8 days).
The month with the least rainy days is June (24.5 days).
Average daylight in September /
Average sunshine in September
Long Nawi, 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: 11h and 54min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is September (Average sunshine: 7h and 54min).
The month with the least sunshine is November (Average sunshine: 6h and 6min).
Average sunshine days in September
Long Nawi, Indonesia
- Average sunshine days in September: 4.1 days
The months with the most sunshine days are June and July (4.4 days).
The month with the least sunshine days is November (0.6 days).
Average UV index in September
Long Nawi, Indonesia
- Average UV index in September: 6
The months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The month with the lowest UV index is January (UV index 5).
Average cloud cover in September
Long Nawi, Indonesia
- Average cloud cover in September: 53
The months with the most cloud cover are January and March (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 52).
Average visibility in September
Long Nawi, Indonesia
- Average visibility in September: 7km
The months with the highest visibility are June, July, August and September (7km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (6km).
