September weather forecastLangsa, Indonesia
September
Weather in September
The first month of the autumn, September, is still a hot month in Langsa, Indonesia, with an average temperature varying between 32.1°C (89.8°F) and 24°C (75.2°F).Temperature
A minimal variation is noted in Langsa's average high-temperature at the onset of September, reaching a still tropical 32.1°C (89.8°F) from August's 32.3°C (90.1°F). Langsa cools down to an average low-temperature of 24°C (75.2°F) throughout the month of September.Heat index
The heat index value during September is computed to be a blistering 44°C (111.2°F). Caution: Heat cramps along with heat exhaustion are expected. Sustained activity could lead to heatstroke.In terms of the heat index, values are set with light wind and shade conditions in mind. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.
Humidity
In Langsa, the average relative humidity in September is 78%.Rainfall
In Langsa, in September, during 26.5 rainfall days, 107mm (4.21") of precipitation is typically accumulated. Throughout the year, there are 289.7 rainfall days, and 1207mm (47.52") of precipitation is accumulated.Daylight
The average length of the day in September in Langsa is 12h and 8min.On the first day of September in Langsa, sunrise is at 06:22 and sunset at 18:34. On the last day of the month, sunrise is at 06:15 and sunset at 18:20 WIB.
Sunshine
In September, the average sunshine in Langsa, Indonesia, is 8.2h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index in Langsa. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 7 in September interprets into the following recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Langsa, Indonesia
- Average high temperature in September: 32.1°C
The warmest month (with the highest average high temperature) is May (32.7°C).
The month with the lowest average high temperature is January (30.1°C).
- Average low temperature in September: 24°C
The month with the highest average low temperature is May (25°C).
The coldest month (with the lowest average low temperature) is January (23.6°C).
Average pressure in September
Langsa, Indonesia
- Average pressure in September: 1010.6mbar
The months with the highest atmospheric pressure are January and February (1011mbar).
The month with the lowest atmospheric pressure is May (1009.6mbar).
Average wind speed in September
Langsa, Indonesia
- Average wind speed in September: 5.5km/h
The windiest month (with the highest average wind speed) is March (6.8km/h).
The calmest months (with the lowest average wind speed) are September and October (5.5km/h).
Average humidity in September
Langsa, Indonesia
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (80%).
The month with the lowest relative humidity is March (74%).
Average rainfall in September
Langsa, Indonesia
- Average rainfall in September: 107mm
The wettest month (with the highest rainfall) is December (143mm).
The driest month (with the least rainfall) is February (59mm).
Average rainfall days in September
Langsa, Indonesia
- Average rainfall days in September: 26.5 days
The month with the highest number of rainy days is August (27.1 days).
The month with the least rainy days is February (17.5 days).
Average daylight in September /
Average sunshine in September
Langsa, Indonesia
- Average daylight in September: 12h and 6min
The month with the longest days is June (Average daylight: 12h and 24min).
The month with the shortest days is December (Average daylight: 11h and 54min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is March (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 7h and 36min).
Average sunshine days in September
Langsa, Indonesia
- Average sunshine days in September: 2.4 days
The month with the most sunshine days is March (6.7 days).
The month with the least sunshine days is August (2.3 days).
Average UV index in September
Langsa, 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
Langsa, Indonesia
- Average cloud cover in September: 43
The month with the most cloud cover is November (Cloud cover 48).
The month with the least cloud cover is March (Cloud cover 31).
Average visibility in September
Langsa, Indonesia
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, June, July, August, October and November (10km).
The months with the lowest visibility are May, September and December (9km).
