September weather forecastLagoi, Indonesia
September
Weather in September
The first month of the autumn, September, is still a hot month in Lagoi, Indonesia, with an average temperature varying between 26.7°C (80.1°F) and 30.6°C (87.1°F).Temperature
September notes an average high-temperature of a still tropical 30.6°C (87.1°F), subtly differing from August's 30.4°C (86.7°F). Lagoi's nights throughout September are marked by an average low temperature of 26.7°C (80.1°F), a minor drop from the day's high.Heat index
For most parts of September, the heat index is calculated to be a sweltering 37°C (98.6°F). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.Heat index specifics point out values are for conditions of shade and a slight breeze. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. 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.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.
Humidity
The average relative humidity in September in Lagoi is 72%.Rainfall
The month with the least rainfall is September, when the rain falls for 16.8 days and typically collects 29mm (1.14") of precipitation.Sea temperature
In September, the average sea temperature is 29°C (84.2°F).Note: Surface water temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are considered superb and highly pleasant for water activities over extended periods.
Daylight
In Lagoi, the average length of the day in September is 12h and 7min.On the first day of the month, sunrise is at 05:58 and sunset at 18:06. On the last day of September, in Lagoi, sunrise is at 05:49 and sunset at 17:55 WIB.
Sunshine
The average sunshine in September is 10.2h.UV index
January through November, 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 unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 7 in September translates into the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Enhance your sun protection with tightly woven, yet airy clothing. Warning! The reflection of sand and water increases the UV dose.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lagoi, Indonesia
- Average high temperature in September: 30.6°C
The warmest month (with the highest average high temperature) is May (31.6°C).
The month with the lowest average high temperature is January (29°C).
- Average low temperature in September: 26.7°C
The month with the highest average low temperature is May (27.5°C).
The coldest months (with the lowest average low temperature) are January and February (26°C).
Average pressure in September
Lagoi, Indonesia
- Average pressure in September: 1009.7mbar
The month with the highest atmospheric pressure is February (1010.2mbar).
The month with the lowest atmospheric pressure is May (1008.6mbar).
Average wind speed in September
Lagoi, Indonesia
- Average wind speed in September: 10.9km/h
The windiest month (with the highest average wind speed) is January (15.8km/h).
The calmest month (with the lowest average wind speed) is April (7.9km/h).
Average humidity in September
Lagoi, Indonesia
- Average humidity in September: 72%
The months with the highest relative humidity are January, February and December (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Lagoi, Indonesia
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is December (190mm).
The driest month (with the least rainfall) is September (29mm).
Average rainfall days in September
Lagoi, Indonesia
- Average rainfall days in September: 16.8 days
The month with the highest number of rainy days is December (27.7 days).
The month with the least rainy days is September (16.8 days).
Average sea temperature in September
Lagoi, Indonesia
- Average sea temperature in September: 29°C
The best months for swimming (with the highest average sea temperature) are May and June (30°C).
The coldest months (with the lowest average sea temperature) are January and February (27°C).
Average daylight in September /
Average sunshine in September
Lagoi, Indonesia
- Average daylight in September: 12h and 6min
The month with the longest days is June (Average daylight: 12h and 12min).
The month with the shortest days is December (Average daylight: 12h and 6min).
- Average sunshine in September: 10h and 12min
The month with the most sunshine is May (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 7h and 24min).
Average sunshine days in September
Lagoi, Indonesia
- Average sunshine days in September: 11 days
The month with the most sunshine days is September (11 days).
The month with the least sunshine days is December (2.7 days).
Average UV index in September
Lagoi, 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 and November (UV index 7).
The month with the lowest UV index is December (UV index 6).
Average cloud cover in September
Lagoi, Indonesia
- Average cloud cover in September: 30
The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in September
Lagoi, 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).





