September weather forecast and climate
Bandung, Indonesia

The glorious Pinisi Restaurant in a ship-like design in Bandung, with scenic, natural forestry and a camping site beside Lake Patenggang, Indonesia
The glorious Pinisi Restaurant in a ship-like design in Bandung, with scenic, natural forestry and a camping site beside Lake Patenggang, Indonesia

Weather in September

September, the first month of the spring, in Bandung, is still a warm month, with average temperature fluctuating between 19.5°C (67.1°F) and 28.5°C (83.3°F).

Temperature

In Bandung, the average high-temperature in September is practically the same as in August - a still warm 28.5°C (83.3°F). In September, the average low-temperature is 19.5°C (67.1°F).

Heat index

The average heat index is appraised at a hot 33.6°C (92.5°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'real feel', 'felt air temperature', or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like activity, clothing, differences in body mass, height, and shape, and wind affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

Months with the lowest humidity in Bandung, Indonesia, are September and October, with an average relative humidity of 81%.

Rainfall

In Bandung, it is raining for 19.5 days, with typically 50mm (1.97") of accumulated precipitation. In Bandung, during the entire year, the rain falls for 305 days and collects up to 2154mm (84.8") of precipitation.

Daylight

In Bandung, the average length of the day in September is 12.1h.

Sunshine

August and September, with an average of 8.5h of sunshine, are months with the most sunshine.

UV index

Months with the highest UV index are January through December, with an average maximum UV index of 6. Months with the lowest UV index are January through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Bandung?

The average high-temperature, in September, in Bandung, is 28.5°C (83.3°F), while the average low-temperature is 19.5°C (67.1°F). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is appraised at 33.6°C (92.5°F).

What is the least humid month in Bandung?

Months with the lowest humidity in Bandung, Indonesia, are September and October, with an average relative humidity of 81%.

What is the average humidity in September in Bandung?

In Bandung, the average relative humidity in September is 81%.

How much does it rain in Bandung in September?

In Bandung, Indonesia, in September, during 19.5 rainfall days, 50mm (1.97") of precipitation is typically accumulated.

How many hours of daylight does Bandung have in September?

The average length of the day in September in Bandung is 12.1h.

What is the month with the most sunshine in Bandung?

Months with the most sunshine in Bandung are August and September, with an average of 8.5h of sunshine.

How many hours of sunshine does Bandung have in September?

The average sunshine in September in Bandung is 8.5h.

What is the month with the highest UV index in Bandung?

January through December, with an average maximum UV index of 6, are months with the highest UV index in Bandung.

When is the lowest UV index in Bandung?

January through December, with an average maximum UV index of 6, are months with the lowest UV index in Bandung.

What is the UV index reading in September in Bandung?

The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unprotected exposure to the UV radiation.

Average temperature in September
Bandung, Indonesia

Average temperature in September - Bandung, Indonesia
  • Average high temperature in September: 28.5°C

The warmest month (with the highest average high temperature) is October (29°C).
The month with the lowest average high temperature is July (27°C).

  • Average low temperature in September: 19.5°C

The month with the highest average low temperature is December (21.9°C).
The coldest month (with the lowest average low temperature) is August (19.2°C).

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Average pressure in September
Bandung, Indonesia

Average pressure in September - Bandung, Indonesia
  • Average pressure in September: 1011.7mbar

The month with the highest atmospheric pressure is September (1011.7mbar).
The month with the lowest atmospheric pressure is December (1009.3mbar).

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Average wind speed in September
Bandung, Indonesia

Average wind speed in September - Bandung, Indonesia
  • Average wind speed in September: 6.7km/h

The windiest month (with the highest average wind speed) is September (6.7km/h).
The calmest month (with the lowest average wind speed) is February (4.1km/h).

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Average humidity in September
Bandung, Indonesia

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

Months with the highest relative humidity are May, June and July (86%).
Months with the lowest relative humidity are September and October (81%).

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Average rainfall in September
Bandung, Indonesia

Average rainfall in September - Bandung, Indonesia
  • Average rainfall in September: 50mm

The wettest month (with the highest rainfall) is March (310mm).
The driest month (with the least rainfall) is August (30mm).

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Average rainfall days in September
Bandung, Indonesia

Average rainfall days in September - Bandung, Indonesia
  • Average rainfall days in September: 19.5 days

The month with the highest number of rainy days is March (30.6 days).
The month with the least rainy days is August (16.4 days).

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

Average daylight in September / Average sunshine in September - Bandung, Indonesia
  • Average daylight in September: 12.1h

Months with the longest days are January and December (Average daylight: 12.5h).
The month with the shortest days is June (Average daylight: 11.7h).

  • Average sunshine in September: 8.5h

Months with the most sunshine are August and September (Average sunshine: 8.5h).
The month with the least sunshine is July (Average sunshine: 6.3h).

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Average sunshine days in September
Bandung, Indonesia

Average sunshine days in September - Bandung, Indonesia
  • Average sunshine days in September: 7.3 days

The month with the most sunshine days is August (10.8 days).
Months with the least sunshine days are February and March (0.2 days).

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Average UV index in September
Bandung, Indonesia

Average UV index in September - Bandung, Indonesia
  • Average UV index in September: 6

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

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Average cloud cover in September
Bandung, Indonesia

Average cloud cover in September - Bandung, Indonesia
  • Average cloud cover in September: 44

Months with the most cloud cover are January and February (Cloud cover 52).
Months with the least cloud cover are August and September (Cloud cover 44).

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Average visibility in September
Bandung, Indonesia

Average visibility in September - Bandung, Indonesia
  • Average visibility in September: 8km

Months with the highest visibility are January and December (9km).
The month with the lowest visibility is July (7km).

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