September weather forecastLarantuka, Indonesia
September
Weather in September
The first month of the spring, September, is still a warm month in Larantuka, Indonesia, with an average temperature fluctuating between 27.9°C (82.2°F) and 25.6°C (78.1°F).Temperature
Larantuka sees the arrival of September with an average high-temperature of a still warm 27.9°C (82.2°F), indicating a subtle variation from August. Larantuka records a mild decrease in temperature during the nights of September, averaging a still moderately hot 25.6°C (78.1°F).Heat index
In September, the heat index is calculated to be a tropical 31°C (87.8°F). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', joins air temperature with relative humidity to produce a temperature perception for humans. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
In September, the average relative humidity in Larantuka is 73%.Rainfall
In September, the rain falls for 6.2 days. Throughout September, 13mm (0.51") of precipitation is accumulated. In Larantuka, during the entire year, the rain falls for 185.3 days and collects up to 1087mm (42.8") of precipitation.Daylight
In September, the average length of the day is 12h and 4min.On the first day of September, sunrise is at 05:49 and sunset at 17:46. On the last day of the month, sunrise is at 05:32 and sunset at 17:43 WITA.
Sunshine
With an average of 9.9h of sunshine, September has the most sunshine of the year in Larantuka.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 7 suggests these recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. 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. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Larantuka, Indonesia
- Average high temperature in September: 27.9°C
The warmest month (with the highest average high temperature) is November (29.7°C).
The month with the lowest average high temperature is July (27.4°C).
- Average low temperature in September: 25.6°C
The month with the highest average low temperature is December (27.8°C).
The coldest month (with the lowest average low temperature) is August (25.1°C).
Average pressure in September
Larantuka, Indonesia
- Average pressure in September: 1011.5mbar
The month with the highest atmospheric pressure is August (1011.9mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in September
Larantuka, Indonesia
- Average wind speed in September: 7.9km/h
The windiest month (with the highest average wind speed) is January (14.6km/h).
The calmest month (with the lowest average wind speed) is November (7km/h).
Average humidity in September
Larantuka, Indonesia
- Average humidity in September: 73%
The months with the highest relative humidity are January and February (78%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Larantuka, Indonesia
- Average rainfall in September: 13mm
The wettest month (with the highest rainfall) is January (235mm).
The driest months (with the least rainfall) are July and August (7mm).
Average rainfall days in September
Larantuka, Indonesia
- Average rainfall days in September: 6.2 days
The month with the highest number of rainy days is January (27.8 days).
The month with the least rainy days is August (2.7 days).
Average daylight in September /
Average sunshine in September
Larantuka, Indonesia
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 36min).
- Average sunshine in September: 9h and 54min
The month with the most sunshine is September (Average sunshine: 9h and 54min).
The month with the least sunshine is July (Average sunshine: 7h and 30min).
Average sunshine days in September
Larantuka, Indonesia
- Average sunshine days in September: 22.9 days
The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is January (1.4 days).
Average UV index in September
Larantuka, 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
Larantuka, Indonesia
- Average cloud cover in September: 14
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in September
Larantuka, Indonesia
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
