September weather forecast
Karasak, Indonesia

September

Weather in September

The first month of the spring, September, is still a warm month in Karasak, Indonesia, with an average temperature varying between 18.2°C (64.8°F) and 28.5°C (83.3°F).

Temperature

With its high average temperature of 28.5°C (83.3°F) and a low of 18.2°C (64.8°F), September is regarded as the warmest month.

Heat index

September's mean heat index is estimated at a tropical 32°C (89.6°F). Ongoing activity coupled with exposure often results in weariness and could induce heat cramps.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', gauges the sensation of temperature factoring in the air's moisture content. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular significance for children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.

Humidity

September is the least humid month, with an average relative humidity of 73%.

Rainfall

In Karasak, during September, the rain falls for 17.4 days and regularly aggregates up to 91mm (3.58") of precipitation. In Karasak, during the entire year, the rain falls for 296 days and collects up to 2705mm (106.5") of precipitation.

Daylight

In September, the average length of the day in Karasak is 12h and 4min.
On the first day of September in Karasak, sunrise is at 05:50 and sunset at 17:48. On the last day of the month, sunrise is at 05:34 and sunset at 17:44 WIB.

Sunshine

The month with the most sunshine is September, with an average of 8.9h of sunshine.

UV index

March through November, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 6 in September leads to these guidelines:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.

Frequently asked questions

What month is the hottest in Karasak?
The month of September sees the average highest temperatures in Karasak, reaching 28.5°C (83.3°F) at the peak and 18.2°C (64.8°F) at the low.
How hot does it get in Karasak in September?
The average high-temperature, in September, in Karasak, is 28.5°C (83.3°F), while the average low-temperature is 18.2°C (64.8°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in September is estimated at 32°C (89.6°F).
What is the least humid month in Karasak?
With an average relative humidity of 73%, September is the least humid month.
What is the average humidity in September in Karasak?
The average relative humidity in September in Karasak, Indonesia, is 73%.
How much does it rain in Karasak in September?
In September, the rain falls for 17.4 days. Throughout September, 91mm (3.58") of precipitation is accumulated.
What is the average length of the day in September in Karasak?
In September, the average day length in Karasak is 12h and 4min.
What time are sunrise and sunset in September in Karasak?
In September, on the first day of the month, sunrise is at 05:50 and sunset at 17:48. On the last day of the month, in Karasak, Indonesia, sunrise is at 05:34 and sunset at 17:44 WIB.
What month has the most sunshine in Karasak?
September has the most sunshine of the year in Karasak, Indonesia, with an average of 8.9h of sunshine.
How long on average sun shines in September in Karasak?
In Karasak, Indonesia, the average sunshine duration in September is 8.9h.
What are the months with the highest UV index in Karasak?
March through November, with an average maximum UV index of 6, are months with the highest UV index in Karasak, Indonesia.
What is the UV index reading in September in Karasak?
In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from 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
Karasak, Indonesia
  • Average high temperature in September: 28.5°C

The warmest month (with the highest average high temperature) is September (28.5°C).
The month with the lowest average high temperature is January (24.5°C).

  • Average low temperature in September: 18.2°C

The month with the highest average low temperature is November (19.7°C).
The coldest month (with the lowest average low temperature) is July (17.5°C).

Average pressure in September
Karasak, Indonesia
  • Average pressure in September: 1011.4mbar

The month with the highest atmospheric pressure is September (1011.4mbar).
The month with the lowest atmospheric pressure is December (1009.3mbar).

Average wind speed in September
Karasak, Indonesia
  • Average wind speed in September: 5km/h

The windiest month (with the highest average wind speed) is January (6.4km/h).
The calmest month (with the lowest average wind speed) is April (4.3km/h).

Average humidity in September
Karasak, Indonesia
  • Average humidity in September: 73%

The months with the highest relative humidity are February, March and April (86%).
The month with the lowest relative humidity is September (73%).

Average rainfall in September
Karasak, Indonesia
  • Average rainfall in September: 91mm

The wettest month (with the highest rainfall) is December (388mm).
The driest month (with the least rainfall) is August (75mm).

Average rainfall days in September
Karasak, Indonesia
  • Average rainfall days in September: 17.4 days

The month with the highest number of rainy days is January (30.4 days).
The month with the least rainy days is August (15.8 days).

Average daylight in September /
Average sunshine in September
Karasak, Indonesia
  • Average daylight in September: 12h and 1min

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 42min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is September (Average sunshine: 8h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).

Average sunshine days in September
Karasak, Indonesia
  • Average sunshine days in September: 11.2 days

The month with the most sunshine days is August (14.7 days).
The month with the least sunshine days is February (0.4 days).

Average UV index in September
Karasak, Indonesia
  • Average UV index in September: 6

The months with the highest UV index are March, April, May, June, July, August, September, October and November (UV index 6).
The months with the lowest UV index are January, February and December (UV index 5).

Average cloud cover in September
Karasak, Indonesia
  • Average cloud cover in September: 37

The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are August and September (Cloud cover 37).

Average visibility in September
Karasak, Indonesia
  • Average visibility in September: 9km

The month with the highest visibility is September (9km).
The months with the lowest visibility are January, February, March, April, May, July and December (7km).

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