September weather forecast
Bualu, Indonesia

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Weather in September

The first month of the spring, September, is still a warm month in Bualu, Indonesia, with an average temperature ranging between max 26.6°C (79.9°F) and min 23.8°C (74.8°F).

Temperature

As August turns into September, the average high-temperatures rest at a still moderately hot 26.6°C (79.9°F), showing a minor variation from the prior month. Throughout September in Bualu, Indonesia, a minimal difference from peak daytime temperatures is noted, marking a steady low-temperature average of 23.8°C (74.8°F).

Humidity

May through October, with an average relative humidity of 81%, are the most humid months in Bualu, Indonesia.

Rainfall

In Bualu, in September, it is raining for 13 days, with typically 24mm (0.94") of accumulated precipitation. Throughout the year, there are 234.1 rainfall days, and 717mm (28.23") of precipitation is accumulated.

Sea temperature

In Bualu, in September, the average water temperature is 26.4°C (79.5°F).
Note: Swimming, diving, and other water-related activities in temperatures between 25°C (77°F) and 29°C (84.2°F) are considered highly enjoyable and satisfying for longer durations without uneasiness.

Daylight

In September, the average length of the day is 12h and 4min.
On the first day of the month, sunrise is at 06:20 and sunset at 18:17. On the last day of September, sunrise is at 06:03 and sunset at 18:14 WITA.

Sunshine

The average sunshine in September is 9.1h.

UV index

January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum high daily UV index of 7 during September translates into the following directions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Stay aware! UV radiation is magnified when reflecting off sand and water.
Updated: Feb 10, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the temperature in September in Bualu?

The average high-temperature, in September, in Bualu, is 26.6°C (79.9°F), while the average low-temperature is 23.8°C (74.8°F). In June, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is calculated to be 30°C (86°F).

What are the most humid months in Bualu?

The months with the highest humidity in Bualu, Indonesia, are May through October, with an average relative humidity of 81%.

What is the average humidity in September in Bualu?

The average relative humidity in September is 81%.

How many days does it rain in September in Bualu?

In Bualu, in September, during 13 rainfall days, 24mm (0.94") of precipitation is typically accumulated.

What is the water temperature in September in Bualu?

In Bualu, Indonesia, in September, the average water temperature is 26.4°C (79.5°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Bualu have in September?

In September, the average day length is 12h and 4min.

When are sunrise and sunset in September in Bualu?

In September, on the first day of the month, sunrise is at 06:20 and sunset at 18:17. On the last day of the month, in Bualu, Indonesia, sunrise is at 06:03 and sunset at 18:14 WITA.

How many hours of sunshine does Bualu have in September?

In Bualu, the average sunshine duration in September is 9.1h.

When is the highest UV index in Bualu?

January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index.

What is the UV index reading in September in Bualu?

In Bualu, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health threat from exposure to Sun's UV rays.

Average temperature in September
Bualu, Indonesia

Average temperature in September - Bualu, Indonesia
  • Average high temperature in September: 26.6°C

The warmest month (with the highest average high temperature) is March (28.8°C).
The month with the lowest average high temperature is August (26.2°C).

  • Average low temperature in September: 23.8°C

The month with the highest average low temperature is April (26°C).
The coldest months (with the lowest average low temperature) are August and September (23.8°C).

Average pressure in September
Bualu, Indonesia

Average pressure in September - Bualu, Indonesia
  • Average pressure in September: 1011.9mbar

The month with the highest atmospheric pressure is August (1012mbar).
The month with the lowest atmospheric pressure is December (1008.4mbar).

Average wind speed in September
Bualu, Indonesia

Average wind speed in September - Bualu, Indonesia
  • Average wind speed in September: 13.5km/h

The windiest month (with the highest average wind speed) is July (17.7km/h).
The calmest month (with the lowest average wind speed) is November (9.1km/h).

Average humidity in September
Bualu, Indonesia

Average humidity in September - Bualu, Indonesia
  • Average humidity in September: 81%

The months with the highest relative humidity are May, June, July, August, September and October (81%).
The months with the lowest relative humidity are January, February and March (79%).

Average rainfall in September
Bualu, Indonesia

Average rainfall in September - Bualu, Indonesia
  • Average rainfall in September: 24mm

The wettest month (with the highest rainfall) is January (106mm).
The driest month (with the least rainfall) is August (21mm).

Average rainfall days in September
Bualu, Indonesia

Average rainfall days in September - Bualu, Indonesia
  • Average rainfall days in September: 13 days

The month with the highest number of rainy days is January (25 days).
The month with the least rainy days is September (13 days).

Average sea temperature in September
Bualu, Indonesia

Average sea temperature in September - Bualu, Indonesia
  • Average sea temperature in September: 26.4°C

The best month for swimming (with the highest average sea temperature) is December (29.3°C).
The coldest month (with the lowest average sea temperature) is August (26.3°C).

Average daylight in September /
Average sunshine in September
Bualu, Indonesia

Average daylight in September / Average sunshine in September - Bualu, Indonesia
  • Average daylight in September: 12h and 1min

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 1min

The month with the most sunshine is November (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 8h and 0min).

Average sunshine days in September
Bualu, Indonesia

Average sunshine days in September - Bualu, Indonesia
  • Average sunshine days in September: 9.7 days

The month with the most sunshine days is October (11.8 days).
The month with the least sunshine days is January (4.8 days).

Average UV index in September
Bualu, Indonesia

Average UV index in September - Bualu, Indonesia
  • Average UV index in September: 7

The months with the highest UV index are January, February, March, April, May, June, September, October, November and December (UV index 7).
The months with the lowest UV index are July and August (UV index 6).

Average cloud cover in September
Bualu, Indonesia

Average cloud cover in September - Bualu, Indonesia
  • Average cloud cover in September: 33

The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 28).

Average visibility in September
Bualu, Indonesia

Average visibility in September - Bualu, 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).

Bualu, Indonesia

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