September weather forecastBan Ko, Thailand
September weather forecast for Ban Ko, Thailand: In September, the average heat index, which factors the actual air temperature with the relative humidity, is computed to be 41°C (105.8°F). The first month of the autumn, September, is still a tropical month in Ban Ko, Thailand, with an average temperature varying between 25.8°C (78.4°F) and 31.5°C (88.7°F).
September
Weather in September
The first month of the autumn, September, is still a tropical month in Ban Ko, Thailand, with an average temperature varying between 25.8°C (78.4°F) and 31.5°C (88.7°F).Temperature
Entering September, the average high-temperature is recorded at a still hot 31.5°C (88.7°F), exhibiting a minimal shift from August's 32°C (89.6°F). Ban Ko's temperature lowers to a mean of 25.8°C (78.4°F) during the nights in September.Heat index
September's heat index is computed to be an extremely hot 41°C (105.8°F). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.In the scope of the heat index, its values resonate with shade and light wind conditions. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
In September, the average relative humidity is 75%.Rainfall
In Ban Ko, during September, the rain falls for 18.1 days and regularly aggregates up to 38mm (1.5") of precipitation. In Ban Ko, Thailand, during the entire year, the rain falls for 127.7 days and collects up to 283mm (11.14") of precipitation.Daylight
The average length of the day in September is 12h and 13min.On the first day of the month, sunrise is at 06:07 and sunset at 18:30. On the last day of September, sunrise is at 06:08 and sunset at 18:09 +07.
Sunshine
The average sunshine in September is 7.4h.UV index
January, February, June through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 7 in September translates into this advice:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ban Ko, Thailand
- Average high temperature in September: 31.5°C
The warmest month (with the highest average high temperature) is April (35.2°C).
The month with the lowest average high temperature is December (31°C).
- Average low temperature in September: 25.8°C
The month with the highest average low temperature is May (28.3°C).
The coldest month (with the lowest average low temperature) is December (23.3°C).
Average pressure in September
Ban Ko, Thailand
- Average pressure in September: 1008.2mbar
The month with the highest atmospheric pressure is January (1012.3mbar).
The month with the lowest atmospheric pressure is June (1007mbar).
Average wind speed in September
Ban Ko, Thailand
- Average wind speed in September: 9km/h
The windiest month (with the highest average wind speed) is March (13.9km/h).
The calmest month (with the lowest average wind speed) is October (7.8km/h).
Average humidity in September
Ban Ko, Thailand
- Average humidity in September: 75%
The month with the highest relative humidity is October (76%).
The month with the lowest relative humidity is January (59%).
Average rainfall in September
Ban Ko, Thailand
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is October (68mm).
The driest month (with the least rainfall) is February (1mm).
Average rainfall days in September
Ban Ko, Thailand
- Average rainfall days in September: 18.1 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (2.3 days).
Average daylight in September /
Average sunshine in September
Ban Ko, Thailand
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in September: 7h and 24min
The month with the most sunshine is May (Average sunshine: 11h and 0min).
The months with the least sunshine are October and November (Average sunshine: 6h and 54min).
Average sunshine days in September
Ban Ko, Thailand
- Average sunshine days in September: 10 days
The month with the most sunshine days is January (27.9 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in September
Ban Ko, Thailand
- Average UV index in September: 7
The months with the highest UV index are March, April and May (UV index 8).
The months with the lowest UV index are January, February, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in September
Ban Ko, Thailand
- Average cloud cover in September: 48
The month with the most cloud cover is July (Cloud cover 50).
The month with the least cloud cover is February (Cloud cover 15).
Average visibility in September
Ban Ko, Thailand
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





