September weather forecastMappala, Indonesia
September
Weather in September
The first month of the spring, September, is still a tropical month in Mappala, Indonesia, with an average temperature fluctuating between 31.4°C (88.5°F) and 23.3°C (73.9°F).Temperature
Mappala, Indonesia, experiences a recorded average high-temperature of a still tropical 31.4°C (88.5°F) in September, closely aligned with August's 30.6°C (87.1°F). During the month of September, the nighttime temperature in Mappala falls to an average of 23.3°C (73.9°F).Heat index
Throughout September, the heat index is estimated at a fiery hot 38°C (100.4°F). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.Bear in mind that the heat index values are determined for shaded areas and light breezes. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.
Humidity
The average relative humidity in September is 67%.Rainfall
September is the month with the least rainfall. Rain falls for 5.4 days and accumulates 9mm (0.35") of precipitation.Daylight
In September, the average length of the day is 12h and 5min.On the first day of September, sunrise is at 06:01 and sunset at 18:02. On the last day of the month, sunrise is at 05:47 and sunset at 17:56 WITA.
Sunshine
In September, the average sunshine is 10h.UV index
The months with the highest UV index are February through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.Note: In September, a daily UV index of 7 turns into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mappala, Indonesia
- Average high temperature in September: 31.4°C
The warmest month (with the highest average high temperature) is October (32.2°C).
The month with the lowest average high temperature is January (29.1°C).
- Average low temperature in September: 23.3°C
The month with the highest average low temperature is November (25.5°C).
The coldest month (with the lowest average low temperature) is August (23°C).
Average pressure in September
Mappala, Indonesia
- Average pressure in September: 1010.6mbar
The month with the highest atmospheric pressure is August (1010.8mbar).
The month with the lowest atmospheric pressure is December (1008.3mbar).
Average wind speed in September
Mappala, Indonesia
- Average wind speed in September: 8.1km/h
The windiest month (with the highest average wind speed) is January (8.7km/h).
The calmest month (with the lowest average wind speed) is May (6.1km/h).
Average humidity in September
Mappala, Indonesia
- Average humidity in September: 67%
The months with the highest relative humidity are April and May (79%).
The month with the lowest relative humidity is October (66%).
Average rainfall in September
Mappala, Indonesia
- Average rainfall in September: 9mm
The wettest month (with the highest rainfall) is January (159mm).
The driest month (with the least rainfall) is September (9mm).
Average rainfall days in September
Mappala, Indonesia
- Average rainfall days in September: 5.4 days
The month with the highest number of rainy days is March (23.8 days).
The month with the least rainy days is August (4.9 days).
Average daylight in September /
Average sunshine in September
Mappala, Indonesia
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 48min).
- Average sunshine in September: 10h and 0min
The month with the most sunshine is December (Average sunshine: 10h and 6min).
The month with the least sunshine is May (Average sunshine: 6h and 48min).
Average sunshine days in September
Mappala, Indonesia
- Average sunshine days in September: 24.4 days
The month with the most sunshine days is August (25.1 days).
The month with the least sunshine days is March (4.1 days).
Average UV index in September
Mappala, Indonesia
- Average UV index in September: 7
The months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is January (UV index 6).
Average cloud cover in September
Mappala, Indonesia
- Average cloud cover in September: 15
The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is September (Cloud cover 15).
Average visibility in September
Mappala, 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).
