Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
Rasa ushers in September with an average high-temperature of a still tropical 32.2°C (90°F), showing a close resemblance to the previous month. During the nights in September, Rasa experiences a consistent average temperature of 23.2°C (73.8°F).Heat index
Throughout September, the heat index is evaluated at a blistering 43°C (109.4°F). Mindful: Heat cramps and heat exhaustion are to be expected. Extended physical effort might result in heatstroke.Research indicates the heat index considers values in shaded locales and with light winds. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a composite of temperature and humidity figures to convey how warm it feels. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
The months with the lowest humidity in Rasa, Malaysia, are August and September, with an average relative humidity of 74%.Rainfall
September is the month with the least rainfall. Rain falls for 22.6 days and accumulates 82mm (3.23") of precipitation.Daylight
In Rasa, Malaysia, the average length of the day in September is 12h and 8min.On the first day of the month, sunrise is at 7:07 am and sunset at 7:18 pm. On the last day of September, sunrise is at 7:00 am and sunset at 7:06 pm +08.
Sunshine
In September, the average sunshine is 8.7h.UV index
February through October and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In September, a regular UV index of 7 translates into these guidelines:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Rasa in September?
What is the least humid month in Rasa?
What is the average humidity in September in Rasa?
What is the driest month in Rasa?
How many days does it rain in September in Rasa?
What is the average length of the day in September in Rasa?
When are sunrise and sunset in September in Rasa?
How many hours of sunshine does Rasa have in September?
What are the months with the highest UV index in Rasa?
How high is the UV index in September in Rasa?
Average temperature in September
Rasa, Malaysia
- Average high temperature in September: 32.2°C
The warmest month (with the highest average high temperature) is May (32.5°C).
The month with the lowest average high temperature is December (30.5°C).
- Average low temperature in September: 23.2°C
The month with the highest average low temperature is May (23.7°C).
The coldest months (with the lowest average low temperature) are January and February (22.3°C).
Average pressure in September
Rasa, Malaysia
- Average pressure in September: 1009.8mbar
The month with the highest atmospheric pressure is January (1010.5mbar).
The month with the lowest atmospheric pressure is May (1008.8mbar).
Average wind speed in September
Rasa, Malaysia
- Average wind speed in September: 4.4km/h
The windiest months (with the highest average wind speed) are July and August (4.5km/h).
The calmest month (with the lowest average wind speed) is November (3.8km/h).
Average humidity in September
Rasa, Malaysia
- Average humidity in September: 74%
The month with the highest relative humidity is December (83%).
The months with the lowest relative humidity are August and September (74%).
Average rainfall in September
Rasa, Malaysia
- Average rainfall in September: 82mm
The wettest month (with the highest rainfall) is November (234mm).
The driest month (with the least rainfall) is September (82mm).
Average rainfall days in September
Rasa, Malaysia
- Average rainfall days in September: 22.6 days
The months with the highest number of rainy days are November and December (28.6 days).
The month with the least rainy days is June (20.1 days).
Average daylight in September /
Average sunshine in September
Rasa, Malaysia
- Average daylight in September: 12h and 1min
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 4min
The months with the most sunshine are June and July (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 7h and 18min).
Average sunshine days in September
Rasa, Malaysia
- Average sunshine days in September: 5.5 days
The month with the most sunshine days is July (8.7 days).
The month with the least sunshine days is November (0.6 days).
Average UV index in September
Rasa, Malaysia
- Average UV index in September: 7
The months with the highest UV index are February, March, April, May, June, July, August, September, October and December (UV index 7).
The months with the lowest UV index are January and November (UV index 6).
Average cloud cover in September
Rasa, Malaysia
- Average cloud cover in September: 38
The month with the most cloud cover is November (Cloud cover 51).
The months with the least cloud cover are June and July (Cloud cover 33).
Average visibility in September
Rasa, Malaysia
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, November and December (8km).
