September weather forecastSeba, Indonesia
September
Weather in September
September, the first month of the spring in Seba, is still a warm month, with an average temperature varying between 27.5°C (81.5°F) and 26.5°C (79.7°F).The ideal sea water temperature of 27.3°C (81.1°F) and only 3.8 rainfall days, with 5mm (0.2") of accumulated rainfall, makes September the best time for swimming and other water activities.
Temperature
At the onset of September, Seba records an average high-temperature of a still warm 27.5°C (81.5°F), showing little deviation from the preceding month. Throughout September, Seba records a steady low-temperature average of 26.5°C (79.7°F), a minor decrease from its daytime counterpart.Heat index
The heat index value during September is computed to be a tropical 30°C (86°F). One might feel worn out with persistent exposure and activity, resulting in heat cramps.Always consider that heat index estimations are for light winds and places in the shade. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', combines both the air temperature and the humidity level to give a perceived human temperature. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
In September, the average relative humidity is 75%.Rainfall
In Seba, in September, during 3.8 rainfall days, 5mm (0.2") of precipitation is typically accumulated. In Seba, during the entire year, the rain falls for 134.8 days and collects up to 688mm (27.09") of precipitation.Sea temperature
In September, the average sea temperature in Seba is 27.3°C (81.1°F).Note: Engaging in water activities, such as swimming or diving, in temperatures from 25°C (77°F) to 29°C (84.2°F) is very pleasurable for extended periods, without any discomfort.
Daylight
In September, the average length of the day is 12h and 3min.On the first day of the month, sunrise is at 05:54 and sunset at 17:49. On the last day of September, in Seba, sunrise is at 05:36 and sunset at 17:48 WITA.
Sunshine
In September, the average sunshine in Seba, Indonesia, is 9.7h.UV index
The months with the highest UV index in Seba 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 of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index, 7 in September, converts into the following recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Stay cautious! Sand and water reflections increase UV radiation potency.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Seba, Indonesia
- Average high temperature in September: 27.5°C
The warmest month (with the highest average high temperature) is April (29.6°C).
The month with the lowest average high temperature is August (26.7°C).
- Average low temperature in September: 26.5°C
The month with the highest average low temperature is December (28.9°C).
The coldest month (with the lowest average low temperature) is August (25.8°C).
Average pressure in September
Seba, Indonesia
- Average pressure in September: 1011.9mbar
The month with the highest atmospheric pressure is August (1012.5mbar).
The month with the lowest atmospheric pressure is January (1007.4mbar).
Average wind speed in September
Seba, Indonesia
- Average wind speed in September: 19.9km/h
The windiest month (with the highest average wind speed) is June (26.8km/h).
The calmest month (with the lowest average wind speed) is November (13.1km/h).
Average humidity in September
Seba, Indonesia
- Average humidity in September: 75%
The month with the highest relative humidity is January (76%).
The months with the lowest relative humidity are April, August and November (73%).
Average rainfall in September
Seba, Indonesia
- Average rainfall in September: 5mm
The wettest month (with the highest rainfall) is January (191mm).
The driest month (with the least rainfall) is August (2mm).
Average rainfall days in September
Seba, Indonesia
- Average rainfall days in September: 3.8 days
The month with the highest number of rainy days is January (21 days).
The month with the least rainy days is August (3 days).
Average sea temperature in September
Seba, Indonesia
- Average sea temperature in September: 27.3°C
The best month for swimming (with the highest average sea temperature) is December (30.3°C).
The coldest month (with the lowest average sea temperature) is July (26.3°C).
Average daylight in September /
Average sunshine in September
Seba, Indonesia
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 30min).
- Average sunshine in September: 9h and 42min
The month with the most sunshine is December (Average sunshine: 10h and 30min).
The month with the least sunshine is June (Average sunshine: 7h and 0min).
Average sunshine days in September
Seba, Indonesia
- Average sunshine days in September: 25.8 days
The month with the most sunshine days is August (27 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in September
Seba, 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
Seba, Indonesia
- Average cloud cover in September: 14
The month with the most cloud cover is January (Cloud cover 45).
The months with the least cloud cover are September and October (Cloud cover 14).
Average visibility in September
Seba, 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).
