September weather forecastMalunda, Indonesia
September
Weather in September
The first month of the spring, September, is still a warm month in Malunda, Indonesia, with an average temperature ranging between max 28.8°C (83.8°F) and min 25.6°C (78.1°F).Temperature
The onset of September notes an average high-temperature of a still moderately hot 28.8°C (83.8°F), subtly shifted from August's 28.5°C (83.3°F). Malunda maintains a near steady average temperature of 25.6°C (78.1°F) during the nights of September, demonstrating little drop from daytime highs.Heat index
September's mean heat index is appraised at a hot 33°C (91.4°F). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.Note that heat index values are valued for light wind and location in the shade. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Humidity
In Malunda, the average relative humidity in September is 73%.Rainfall
September is the month with the least rainfall. Rain falls for 13.5 days and accumulates 47mm (1.85") of precipitation.Sea temperature
In September, the average sea temperature is 29°C (84.2°F).Note: Swimming, diving, and other activities in water temperatures between 25°C (77°F) and 29°C (84.2°F) are thought to be quite enjoyable and satisfying for extended periods, with no discomfort.
Daylight
The average length of the day in September is 12h and 5min.On the first day of the month, sunrise is at 06:02 and sunset at 18:05. On the last day of September, sunrise is at 05:50 and sunset at 17:58 WITA.
Sunshine
In September, the average sunshine is 10.3h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 7 in September transforms into this advice:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Notice! The reflection of water and sand increases the UV radiation significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Malunda, Indonesia
- Average high temperature in September: 28.8°C
The warmest month (with the highest average high temperature) is October (29.3°C).
The months with the lowest average high temperature are February and July (28.4°C).
- Average low temperature in September: 25.6°C
The months with the highest average low temperature are May and November (26.4°C).
The coldest month (with the lowest average low temperature) is July (25.3°C).
Average pressure in September
Malunda, Indonesia
- Average pressure in September: 1010.9mbar
The month with the highest atmospheric pressure is September (1010.9mbar).
The month with the lowest atmospheric pressure is December (1009.4mbar).
Average wind speed in September
Malunda, Indonesia
- Average wind speed in September: 8.9km/h
The windiest month (with the highest average wind speed) is January (9.6km/h).
The calmest months (with the lowest average wind speed) are April, May and November (8km/h).
Average humidity in September
Malunda, Indonesia
- Average humidity in September: 73%
The months with the highest relative humidity are May, June and July (75%).
The months with the lowest relative humidity are January and December (71%).
Average rainfall in September
Malunda, Indonesia
- Average rainfall in September: 47mm
The wettest month (with the highest rainfall) is November (106mm).
The driest month (with the least rainfall) is September (47mm).
Average rainfall days in September
Malunda, Indonesia
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is November (18.7 days).
The month with the least rainy days is September (13.5 days).
Average sea temperature in September
Malunda, Indonesia
- Average sea temperature in September: 29°C
The best month for swimming (with the highest average sea temperature) is December (30.1°C).
The coldest month (with the lowest average sea temperature) is August (28.9°C).
Average daylight in September /
Average sunshine in September
Malunda, Indonesia
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 12h and 0min).
- Average sunshine in September: 10h and 18min
The month with the most sunshine is December (Average sunshine: 10h and 24min).
The months with the least sunshine are February and May (Average sunshine: 8h and 30min).
Average sunshine days in September
Malunda, Indonesia
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is August (16.3 days).
The month with the least sunshine days is November (10.7 days).
Average UV index in September
Malunda, Indonesia
- 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
Malunda, Indonesia
- Average cloud cover in September: 27
The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is September (Cloud cover 27).
Average visibility in September
Malunda, Indonesia
- 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).
