September weather forecastKalanganyar, Indonesia

September weather for Kalanganyar, Indonesia: September and October, with an average relative humidity of 69%, are the least humid months in Kalanganyar. The first month of the spring, September, is still a hot month in Kalanganyar, Indonesia, with an average temperature fluctuating between 30.4°C (86.7°F) and 25.8°C (78.4°F).

September

Weather in September

The first month of the spring, September, is still a hot month in Kalanganyar, Indonesia, with an average temperature fluctuating between 30.4°C (86.7°F) and 25.8°C (78.4°F).

Temperature

As Kalanganyar steps into September, the average high-temperature holds at a still tropical 30.4°C (86.7°F), hinting at a minor fluctuation from the prior month. Kalanganyar observes a consistent average low-temperature of 25.8°C (78.4°F) throughout September nights.

Heat index

In September, the average heat index is computed to be a very hot 36°C (96.8°F). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
Understand that the heat index values take into account shaded locations and mild winds. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', quantifies the warmth felt when relative humidity is considered. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

September and October, with an average relative humidity of 69%, are the least humid months.

Rainfall

In Kalanganyar, in September, it is raining for 15.3 days, with typically 46mm (1.81") of accumulated precipitation. In Kalanganyar, during the entire year, the rain falls for 256.9 days and collects up to 1138mm (44.8") of precipitation.

Daylight

In Kalanganyar, the average length of the day in September is 12h and 4min.
On the first day of September in Kalanganyar, sunrise is at 05:55 and sunset at 17:54. On the last day of the month, sunrise is at 05:40 and sunset at 17:49 WIB.

Sunshine

The average sunshine in September in Kalanganyar is 9.5h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Kalanganyar are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the UV index of 7 transforms into the following advice:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.

Frequently asked questions

In Kalanganyar, 30.4°C (86.7°F) is the average high-temperature and 25.8°C (78.4°F) is the average low-temperature during September. In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is computed to be 36°C (96.8°F).

September and October, with an average relative humidity of 69%, are the least humid months in Kalanganyar.

In Kalanganyar, the average relative humidity in September is 69%.

In Kalanganyar, during September, the rain falls for 15.3 days and regularly aggregates up to 46mm (1.81") of precipitation.

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

On the first day of September in Kalanganyar, Indonesia, sunrise is at 05:55 and sunset at 17:54. On the last day of the month, sunrise is at 05:40 and sunset at 17:49 WIB.

In Kalanganyar, Indonesia, the average sunshine duration in September is 9.5h.

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

The months with the lowest UV index in Kalanganyar are January through December, with an average maximum UV index of 7.

The average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Kalanganyar, Indonesia

  • Average high temperature in September: 30.4°C

The warmest month (with the highest average high temperature) is October (31°C).
The month with the lowest average high temperature is February (29.5°C).

  • Average low temperature in September: 25.8°C

The month with the highest average low temperature is November (26.9°C).
The coldest month (with the lowest average low temperature) is July (25.4°C).

Average pressure in September
Kalanganyar, Indonesia

  • Average pressure in September: 1011mbar

The month with the highest atmospheric pressure is September (1011mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).

Average wind speed in September
Kalanganyar, Indonesia

  • Average wind speed in September: 9.5km/h

The windiest month (with the highest average wind speed) is January (13.6km/h).
The calmest month (with the lowest average wind speed) is November (9.3km/h).

Average humidity in September
Kalanganyar, Indonesia

  • Average humidity in September: 69%

The month with the highest relative humidity is February (76%).
The months with the lowest relative humidity are September and October (69%).

Average rainfall in September
Kalanganyar, Indonesia

  • Average rainfall in September: 46mm

The wettest month (with the highest rainfall) is February (145mm).
The driest month (with the least rainfall) is August (40mm).

Average rainfall days in September
Kalanganyar, Indonesia

  • Average rainfall days in September: 15.3 days

The month with the highest number of rainy days is March (25.5 days).
The month with the least rainy days is August (13.4 days).

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

  • Average daylight in September: 12h and 6min

The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 48min).

  • Average sunshine in September: 9h and 30min

The month with the most sunshine is March (Average sunshine: 10h and 18min).
The month with the least sunshine is July (Average sunshine: 7h and 18min).

Average sunshine days in September
Kalanganyar, Indonesia

  • Average sunshine days in September: 11.3 days

The month with the most sunshine days is August (14.3 days).
The month with the least sunshine days is April (4 days).

Average UV index in September
Kalanganyar, 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
Kalanganyar, Indonesia

  • Average cloud cover in September: 23

The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in September
Kalanganyar, 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).