September weather forecastPhrae, Thailand

Weather in September

The first month of the autumn, September, is also a hot month in Phrae, Thailand, with temperature in the range of an average high of 32.4°C (90.3°F) and an average low of 24°C (75.2°F).

Temperature

September experiences an average high-temperature of a still hot 32.4°C (90.3°F), barely different from August's 32.3°C (90.1°F). Throughout September, the average low-temperature dips to a moderately hot 24°C (75.2°F).

Heat index

Throughout September, the heat index is calculated to be a burning hot 48°C (118.4°F). Stay vigilant: Heat cramps along with heat exhaustion are expected. Heatstroke may follow prolonged exertion.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical 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.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

With an average relative humidity of 84%, September is the most humid month.

Rainfall

In Phrae, in September, it is raining for 18 days, with typically 192mm (7.56") of accumulated precipitation. Throughout the year, there are 112 rainfall days, and 1115mm (43.9") of precipitation is accumulated.

Daylight

In Phrae, the average length of the day in September is 12h and 14min.
On the first day of September, sunrise is at 06:05 and sunset at 18:33. On the last day of the month, sunrise is at 06:09 and sunset at 18:08 +07.