September weather forecast
Kaliurang, Indonesia

September

Weather in September

The first month of the spring, September, is also a moderately hot month in Kaliurang, Indonesia, with an average temperature varying between 28.2°C (82.8°F) and 21.3°C (70.3°F).

Temperature

Kaliurang notes an average high-temperature of a still moderately hot 28.2°C (82.8°F) in September, displaying minor variation from August. Kaliurang temperatures generally rest at a low of 21.3°C (70.3°F) during the September nights.

Heat index

During September, the heat index is calculated to be a hot 33°C (91.4°F). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

The months with the lowest humidity are September and October, with an average relative humidity of 80%.

Rainfall

In Kaliurang, during September, the rain falls for 18.3 days and regularly aggregates up to 55mm (2.17") of precipitation. In Kaliurang, during the entire year, the rain falls for 296.5 days and collects up to 1844mm (72.6") of precipitation.

Daylight

In Kaliurang, the average length of the day in September is 12h and 4min.
On the first day of September in Kaliurang, Indonesia, 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.

Sunshine

In Kaliurang, the average sunshine in September is 8.6h.

UV index

January, April through September, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 6 during September leads to these advisories:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

How hot is September?
In September, in Kaliurang, the average high-temperature is 28.2°C (82.8°F), and the average low-temperature is 21.3°C (70.3°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is calculated to be 33°C (91.4°F).
What is the least humid month?
The months with the lowest humidity are September and October, with an average relative humidity of 80%.
What is the average humidity in September?
In September, the average relative humidity is 80%.
How many days does it rain in September in Kaliurang?
In September, the rain falls for 18.3 days. Throughout September, 55mm (2.17") of precipitation is accumulated.
What is the average length of the day in September in Kaliurang?
The average day length in September is 12h and 4min.
When is the sunrise / sunset in September?
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.
How many hours of sunshine does Kaliurang have in September?
In Kaliurang, the average sunshine duration in September is 8.6h.
When is the lowest UV index?
The months with the lowest UV index are January, April through September, November and December, with an average maximum UV index of 6.
What is the UV index reading in September?
The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Kaliurang, Indonesia
Average temperature in September
Kaliurang, Indonesia
  • Average high temperature in September: 28.2°C

The warmest month (with the highest average high temperature) is October (29.1°C).
The month with the lowest average high temperature is July (27.3°C).

  • Average low temperature in September: 21.3°C

The months with the highest average low temperature are January and November (23.3°C).
The coldest month (with the lowest average low temperature) is August (21°C).

Average pressure in September - Kaliurang, Indonesia
Average pressure in September
Kaliurang, Indonesia
  • Average pressure in September: 1011.8mbar

The months with the highest atmospheric pressure are August and September (1011.8mbar).
The month with the lowest atmospheric pressure is December (1009.1mbar).

Average wind speed in September - Kaliurang, Indonesia
Average wind speed in September
Kaliurang, Indonesia
  • Average wind speed in September: 10.7km/h

The windiest month (with the highest average wind speed) is August (11.5km/h).
The calmest month (with the lowest average wind speed) is April (6.9km/h).

Average humidity in September - Kaliurang, Indonesia
Average humidity in September
Kaliurang, Indonesia
  • Average humidity in September: 80%

The months with the highest relative humidity are May and June (84%).
The months with the lowest relative humidity are September and October (80%).

Average rainfall in September - Kaliurang, Indonesia
Average rainfall in September
Kaliurang, Indonesia
  • Average rainfall in September: 55mm

The wettest month (with the highest rainfall) is March (242mm).
The driest month (with the least rainfall) is August (25mm).

Average rainfall days in September - Kaliurang, Indonesia
Average rainfall days in September
Kaliurang, Indonesia
  • Average rainfall days in September: 18.3 days

The month with the highest number of rainy days is January (30.3 days).
The month with the least rainy days is August (13.6 days).

Average daylight in September / Average sunshine in September - Kaliurang, Indonesia
Average daylight in September /
Average sunshine in September
Kaliurang, 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 42min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is February (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).

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

The month with the most sunshine days is August (12.3 days).
The month with the least sunshine days is March (0.5 days).

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

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

Average cloud cover in September - Kaliurang, Indonesia
Average cloud cover in September
Kaliurang, Indonesia
  • Average cloud cover in September: 42

The months with the most cloud cover are January and December (Cloud cover 50).
The months with the least cloud cover are June and August (Cloud cover 38).

Average visibility in September - Kaliurang, Indonesia
Average visibility in September
Kaliurang, Indonesia
  • Average visibility in September: 10km

The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (9km).

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