September weather forecastKuah, Malaysia
September
Weather in September
September, the first month of the autumn in Kuah, is still a warm month, with temperature in the range of an average high of 28.9°C (84°F) and an average low of 26.9°C (80.4°F).Temperature
January, September and October are the coldest months, with an average high-temperature of 28.9°C (84°F).Heat index
The average heat index in September is calculated to be a hot 33°C (91.4°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.Be informed that the heat index values are oriented around shady conditions and gentle breezes. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Humidity
The average relative humidity in September is 74%.Rainfall
In Kuah, in September, it is raining for 23.5 days, with typically 144mm (5.67") of accumulated precipitation. In Kuah, during the entire year, the rain falls for 256.2 days and collects up to 1478mm (58.19") of precipitation.Sea temperature
In September, the average sea temperature is 29.4°C (84.9°F).Note: Temperatures between 25°C (77°F) and 29°C (84.2°F) are ideal for swimming, diving, and similar water activities, ensuring pleasure and comfort for extended periods without feeling uneasy.
Daylight
The average length of the day in September is 12h and 10min.On the first day of the month, sunrise is at 7:13 am and sunset at 7:27 pm. On the last day of September, sunrise is at 7:08 am and sunset at 7:12 pm +08.
Sunshine
In Kuah, the average sunshine in September is 8.5h.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 health hazard from unprotected exposure to Sun's UV rays for the average person.Note: During September, 7 as the daily maximum UV index converts into the following advice:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. 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. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Notice! The Sun's UV exposure elevates with sand and water reflections.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kuah, Malaysia
- Average high temperature in September: 28.9°C
The warmest month (with the highest average high temperature) is May (29.9°C).
The months with the lowest average high temperature are January, September and October (28.9°C).
- Average low temperature in September: 26.9°C
The month with the highest average low temperature is May (27.7°C).
The coldest months (with the lowest average low temperature) are January and February (25.8°C).
Average pressure in September
Kuah, Malaysia
- Average pressure in September: 1009.7mbar
The month with the highest atmospheric pressure is January (1010.4mbar).
The months with the lowest atmospheric pressure are May and June (1008.6mbar).
Average wind speed in September
Kuah, Malaysia
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is December (17.9km/h).
The calmest month (with the lowest average wind speed) is May (9.7km/h).
Average humidity in September
Kuah, Malaysia
- Average humidity in September: 74%
The months with the highest relative humidity are November and December (77%).
The months with the lowest relative humidity are June, July and August (73%).
Average rainfall in September
Kuah, Malaysia
- Average rainfall in September: 144mm
The wettest month (with the highest rainfall) is October (235mm).
The driest month (with the least rainfall) is February (40mm).
Average rainfall days in September
Kuah, Malaysia
- Average rainfall days in September: 23.5 days
The month with the highest number of rainy days is November (28.4 days).
The month with the least rainy days is February (13 days).
Average sea temperature in September
Kuah, Malaysia
- Average sea temperature in September: 29.4°C
The best month for swimming (with the highest average sea temperature) is May (30.5°C).
The coldest month (with the lowest average sea temperature) is January (28.2°C).
Average daylight in September /
Average sunshine in September
Kuah, Malaysia
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 48min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is February (Average sunshine: 9h and 36min).
The month with the least sunshine is November (Average sunshine: 8h and 6min).
Average sunshine days in September
Kuah, Malaysia
- Average sunshine days in September: 5.4 days
The month with the most sunshine days is July (14 days).
The month with the least sunshine days is November (1.1 days).
Average UV index in September
Kuah, Malaysia
- 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
Kuah, Malaysia
- Average cloud cover in September: 40
The months with the most cloud cover are October and November (Cloud cover 42).
The month with the least cloud cover is February (Cloud cover 21).
Average visibility in September
Kuah, Malaysia
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September and December (10km).
The months with the lowest visibility are October and November (9km).
