September weather forecastBantul, Indonesia

September

Weather in September

The first month of the spring, September, is still a warm month in Bantul, Indonesia, with an average temperature ranging between min 22.1°C (71.8°F) and max 28.3°C (82.9°F).

Temperature

As Bantul welcomes September, the average high-temperature stabilizes at a still moderately hot 28.3°C (82.9°F), showing little deviation from August's 27.9°C (82.2°F). An average minimum temperature of 22.1°C (71.8°F) marks the month of September.

Heat index

During September, the heat index is computed to be a tropical 33°C (91.4°F). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. 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

The months with the lowest humidity in Bantul are September and October, with an average relative humidity of 79%.

Rainfall

In Bantul, in September, it is raining for 13.9 days, with typically 23mm (0.91") of accumulated precipitation. In Bantul, during the entire year, the rain falls for 245 days and collects up to 906mm (35.67") of precipitation.

Daylight

In Bantul, the average length of the day in September is 12h and 4min.
On the first day of the month, sunrise is at 05:39 and sunset at 17:37. On the last day of September, sunrise is at 05:23 and sunset at 17:33 WIB.

Sunshine

In September, the average sunshine in Bantul is 8.8h.

UV index

The months with the highest UV index in Bantul are February through May, September 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 average individuals.
Note: A maximum high UV index of 7 in September translates into the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.

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

Frequently asked questions

In Bantul, 28.3°C (82.9°F) is the average high-temperature and 22.1°C (71.8°F) is the average low-temperature during September. In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is computed to be 33°C (91.4°F).

The months with the lowest humidity are September and October, with an average relative humidity of 79%.

The average relative humidity in September in Bantul is 79%.

In Bantul, Indonesia, in September, during 13.9 rainfall days, 23mm (0.91") of precipitation is typically accumulated.

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

In September, on the first day of the month, sunrise is at 05:39 and sunset at 17:37. On the last day of the month, sunrise is at 05:23 and sunset at 17:33 WIB.

In September, the average sunshine duration is 8.8h.

The months with the highest UV index in Bantul, Indonesia, are February through May, September through December, with an average maximum UV index of 7.

In Bantul, Indonesia, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's 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

27.9°C

28.3°C

29.4°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

16.3km/h

14.6km/h

13.6km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

11.6

9.5

6.2

Average UV index

Average cloud cover

36%

39%

Average visibility

10km

Average temperature in September
Bantul, Indonesia

Average high temperature in September: 28.3°C

The warmest month (with the highest average high temperature) is October (29.4°C).
The month with the lowest average high temperature is July (27.8°C).

Average low temperature in September: 22.1°C

The months with the highest average low temperature are January and November (24.3°C).
The coldest month (with the lowest average low temperature) is August (21.9°C).

Average pressure in September
Bantul, Indonesia

Average pressure in September: 1011.9mbar

The months with the highest atmospheric pressure are August and September (1011.9mbar).
The month with the lowest atmospheric pressure is December (1009.1mbar).

Average wind speed in September
Bantul, Indonesia

Average wind speed in September: 13.4km/h

The windiest month (with the highest average wind speed) is August (14.5km/h).
The calmest month (with the lowest average wind speed) is March (8.4km/h).

Average humidity in September
Bantul, Indonesia

Average humidity in September: 79%

The months with the highest relative humidity are May and June (82%).
The months with the lowest relative humidity are September and October (79%).

Average rainfall in September
Bantul, Indonesia

Average rainfall in September: 23mm

The wettest month (with the highest rainfall) is January (126mm).
The driest month (with the least rainfall) is August (14mm).

Average rainfall days in September
Bantul, Indonesia

Average rainfall days in September: 13.9 days

The months with the highest number of rainy days are January, March and November (24.7 days).
The month with the least rainy days is August (11.4 days).

Average daylight in September /
Average sunshine in September
Bantul, 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 42min).

Average sunshine in September: 8h and 48min

The month with the most sunshine is February (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).

Average sunshine days in September
Bantul, Indonesia

Average sunshine days in September: 9.5 days

The month with the most sunshine days is August (11.6 days).
The month with the least sunshine days is November (3.4 days).

Average UV index in September
Bantul, Indonesia

Average UV index in September: 7

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

Average cloud cover in September
Bantul, Indonesia

Average cloud cover in September: 39

The months with the most cloud cover are January and December (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 35).

Average visibility in September
Bantul, 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).