September weather forecastBelanting, Indonesia

September

Weather in September

The first month of the spring, September, is also a moderately hot month in Belanting, Indonesia, with temperature in the range of an average low of 23.6°C (74.5°F) and an average high of 27.6°C (81.7°F).

Temperature

September records an average high-temperature of a still warm 27.6°C (81.7°F), indicating a minor variation from the preceding month. Belanting's average temperature during the nights of September is recorded at a still moderately hot 23.6°C (74.5°F).

Heat index

The average heat index in September is calculated to be a hot 31°C (87.8°F). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', determines the feeling of heat when you account for the relative humidity. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

January through March, May through July, September and December, with an average relative humidity of 79%, are the most humid months.

Rainfall

In September, the rain falls for 11.5 days. Throughout September, 21mm (0.83") of precipitation is accumulated. Throughout the year, there are 231.2 rainfall days, and 1002mm (39.45") of precipitation is accumulated.

Daylight

In Belanting, the average length of the day in September is 12h and 4min.
On the first day of the month, sunrise is at 06:14 and sunset at 18:12. On the last day of September, sunrise is at 05:58 and sunset at 18:08 WITA.

Sunshine

In September, the average sunshine is 9.6h.

UV index

January through May, July through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average UV index of 7 in September transforms into this advice:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.

Updated: Aug 25, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

September temperatures vary between a high-temperature of 27.6°C (81.7°F) and a low-temperature of 23.6°C (74.5°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in September is calculated to be 31°C (87.8°F).

The months with the highest humidity are January through March, May through July, September and December, with an average relative humidity of 79%.

In Belanting, the average relative humidity in September is 79%.

In Belanting, in September, it is raining for 11.5 days, with typically 21mm (0.83") of accumulated precipitation.

The average day length in September is 12h and 4min.

On the first day of September, sunrise is at 06:14 and sunset at 18:12. On the last day of the month, sunrise is at 05:58 and sunset at 18:08 WITA.

The average sunshine duration in September is 9.6h.

The months with the highest UV index are January through May, July through December, with an average maximum UV index of 7.

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

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

27.3°C

27.6°C

28.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

13.7km/h

13.2km/h

11.9km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

16.1

14.2

Average UV index

Average cloud cover

22%

23%

Average visibility

10km

Average temperature in September
Belanting, Indonesia

Average high temperature in September: 27.6°C

The warmest month (with the highest average high temperature) is November (29°C).
The months with the lowest average high temperature are July and August (27.3°C).

Average low temperature in September: 23.6°C

The month with the highest average low temperature is December (26.1°C).
The coldest month (with the lowest average low temperature) is August (23.2°C).

Average pressure in September
Belanting, Indonesia

Average pressure in September: 1011.7mbar

The month with the highest atmospheric pressure is August (1011.9mbar).
The month with the lowest atmospheric pressure is December (1008.3mbar).

Average wind speed in September
Belanting, Indonesia

Average wind speed in September: 12.8km/h

The windiest month (with the highest average wind speed) is July (13.3km/h).
The calmest month (with the lowest average wind speed) is April (7.6km/h).

Average humidity in September
Belanting, Indonesia

Average humidity in September: 79%

The months with the highest relative humidity are January, February, March, May, June, July, September and December (79%).
The month with the lowest relative humidity is October (77%).

Average rainfall in September
Belanting, Indonesia

Average rainfall in September: 21mm

The wettest month (with the highest rainfall) is December (165mm).
The driest month (with the least rainfall) is August (10mm).

Average rainfall days in September
Belanting, Indonesia

Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is January (27.1 days).
The month with the least rainy days is August (10.3 days).

Average daylight in September /
Average sunshine in September
Belanting, 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 36min

The month with the most sunshine is October (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 7h and 54min).

Average sunshine days in September
Belanting, Indonesia

Average sunshine days in September: 14.2 days

The month with the most sunshine days is August (16.1 days).
The month with the least sunshine days is January (2.9 days).

Average UV index in September
Belanting, Indonesia

Average UV index in September: 7

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

Average cloud cover in September
Belanting, Indonesia

Average cloud cover in September: 22

The month with the most cloud cover is January (Cloud cover 44).
The months with the least cloud cover are August and September (Cloud cover 22).

Average visibility in September
Belanting, 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).