September weather forecastBinjai, Indonesia
September
Weather in September
The first month of the autumn, September, is also a hot month in Binjai, Indonesia, with an average temperature varying between 23.8°C (74.8°F) and 31.3°C (88.3°F).Temperature
September's presence records an average high-temperature of a still tropical 31.3°C (88.3°F), closely mirroring August's climate. September in Binjai sees the temperature falling to a mean low of 23.8°C (74.8°F).Heat index
In September, the heat index is appraised at an extremely hot 42°C (107.6°F). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
In Binjai, the average relative humidity in September is 79%.Rainfall
In Binjai, in September, during 26.9 rainfall days, 115mm (4.53") of precipitation is typically accumulated. In Binjai, during the entire year, the rain falls for 326.9 days and collects up to 1594mm (62.76") of precipitation.Daylight
The average length of the day in September in Binjai is 12h and 8min.On the first day of September, sunrise is at 06:20 and sunset at 18:31. On the last day of the month, sunrise is at 06:13 and sunset at 18:18 WIB.
Sunshine
The average sunshine in September is 8.8h.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 reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 7 during September translates into the following directions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Binjai, Indonesia
- Average high temperature in September: 31.3°C
The warmest month (with the highest average high temperature) is June (32.1°C).
The months with the lowest average high temperature are January and December (30°C).
- Average low temperature in September: 23.8°C
The months with the highest average low temperature are April and May (24.6°C).
The coldest months (with the lowest average low temperature) are January and February (23.3°C).
Average pressure in September
Binjai, Indonesia
- Average pressure in September: 1010.5mbar
The month with the highest atmospheric pressure is January (1010.7mbar).
The month with the lowest atmospheric pressure is May (1009.4mbar).
Average wind speed in September
Binjai, Indonesia
- Average wind speed in September: 5.4km/h
The windiest months (with the highest average wind speed) are January and February (6.3km/h).
The calmest months (with the lowest average wind speed) are May, September and October (5.4km/h).
Average humidity in September
Binjai, Indonesia
- Average humidity in September: 79%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is March (77%).
Average rainfall in September
Binjai, Indonesia
- Average rainfall in September: 115mm
The wettest month (with the highest rainfall) is October (183mm).
The driest month (with the least rainfall) is July (93mm).
Average rainfall days in September
Binjai, Indonesia
- Average rainfall days in September: 26.9 days
The month with the highest number of rainy days is December (30 days).
The month with the least rainy days is July (23.2 days).
Average daylight in September /
Average sunshine in September
Binjai, 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: 8h and 48min
The months with the most sunshine are June and July (Average sunshine: 9h and 0min).
The month with the least sunshine is November (Average sunshine: 7h and 36min).
Average sunshine days in September
Binjai, Indonesia
- Average sunshine days in September: 2.2 days
The month with the most sunshine days is July (5.7 days).
The month with the least sunshine days is November (0 days).
Average UV index in September
Binjai, 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
Binjai, Indonesia
- Average cloud cover in September: 39
The month with the most cloud cover is November (Cloud cover 48).
The months with the least cloud cover are March, June and July (Cloud cover 33).
Average visibility in September
Binjai, Indonesia
- Average visibility in September: 9km
The months with the highest visibility are February, March, June and August (10km).
The months with the lowest visibility are January, April, May, July, September, October, November and December (9km).
