The first month of the autumn,
September, is also a hot month in
Narathiwat,
Thailand, with an average temperature fluctuating between 32.5°C (90.5°F) and 23.5°C (74.3°F).
Temperature
Narathiwat, Thailand, notes an average high-temperature of a still hot 32.5°C (90.5°F) in September, hardly diverging from
August. An average temperature of 23.5°C (74.3°F) is recorded in Narathiwat during the nights in September.
Heat index
In September, the heat index is estimated at a life-threatening hot 47°C (116.6°F).
Eyes open: Heat cramps and heat exhaustion are expected. Prolonged exertion could lead to heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.
Humidity
In September, the average relative humidity in Narathiwat is 82%.
Rainfall
In Narathiwat, in September, during 17 rainfall days, 183mm (7.2") of precipitation is typically accumulated. Throughout the year, there are 176 rainfall days, and 2458mm (96.77") of precipitation is accumulated.
Daylight
In Narathiwat, the average length of the day in September is 12h and 10min.
On the first day of the month, sunrise is at 06:05 and sunset at 18:19. On the last day of September, sunrise is at 06:00 and sunset at 18:04 +07.