September weather forecast
Gempolklutuk, Indonesia

September

Weather in September

September, the first month of the spring in Gempolklutuk, is still a hot month, with an average temperature ranging between max 33.6°C (92.5°F) and min 22.4°C (72.3°F).

Temperature

Gempolklutuk sees the arrival of September with an average high-temperature of a still tropical 33.6°C (92.5°F), indicating a subtle variation from August. September nights experience a consistent temperature drop to a pleasant 22.4°C (72.3°F).

Heat index

The heat index value for September is estimated at an extremely hot 42°C (107.6°F). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.
It is important to note that the heat index values are for shaded areas and light wind scenarios. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', embodies the combination of air temperature and moisture content to illustrate perceived heat. 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. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

September and October, with an average relative humidity of 62%, are the least humid months in Gempolklutuk.

Rainfall

In Gempolklutuk, in September, during 5.2 rainfall days, 12mm (0.47") of precipitation is typically accumulated. In Gempolklutuk, during the entire year, the rain falls for 218.1 days and collects up to 1410mm (55.51") of precipitation.

Daylight

The average length of the day in September is 12h and 4min.
On the first day of the month, sunrise is at 05:30 and sunset at 17:28. On the last day of September, sunrise is at 05:14 and sunset at 17:24 WIB.

Sunshine

The months with the most sunshine are August through October, with an average of 9.7h of sunshine.

UV index

The months with the highest UV index are February, April through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.
Note: In September, the UV index of 7 transforms into the following advice:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.

Frequently asked questions

How hot does it get in September?
In September, the average high-temperature and low-temperature are 33.6°C (92.5°F) and 22.4°C (72.3°F) respectively. In September, the average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 42°C (107.6°F).
What are the least humid months?
The months with the lowest humidity are September and October, with an average relative humidity of 62%.
What is the average humidity in September?
In Gempolklutuk, the average relative humidity in September is 62%.
How many days does it rain in September?
In Gempolklutuk, during September, the rain falls for 5.2 days and regularly aggregates up to 12mm (0.47") of precipitation.
How many hours of daylight does Gempolklutuk have in September?
In September, the average day length is 12h and 4min.
When are sunrise and sunset in September in Gempolklutuk?
In September, on the first day of the month, sunrise is at 05:30 and sunset at 17:28. On the last day of the month, sunrise is at 05:14 and sunset at 17:24 WIB.
What is the month with the most sunshine?
The months with the most sunshine are August through October, with an average of 9.7h of sunshine.
How many hours of sunshine does Gempolklutuk have in September?
In September, the average sunshine duration is 9.7h.
What are the months with the highest UV index in Gempolklutuk?
The months with the highest UV index are February, April through December, with an average maximum UV index of 7.
What is the UV index intensity in September?
In Gempolklutuk, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Gempolklutuk, Indonesia
Average temperature in September
Gempolklutuk, Indonesia
  • Average high temperature in September: 33.6°C

The warmest month (with the highest average high temperature) is October (34.6°C).
The month with the lowest average high temperature is February (30.1°C).

  • Average low temperature in September: 22.4°C

The month with the highest average low temperature is November (24.9°C).
The coldest months (with the lowest average low temperature) are July and August (21.8°C).

Average pressure in September - Gempolklutuk, Indonesia
Average pressure in September
Gempolklutuk, Indonesia
  • Average pressure in September: 1011.4mbar

The months with the highest atmospheric pressure are August and September (1011.4mbar).
The month with the lowest atmospheric pressure is December (1008.7mbar).

Average wind speed in September - Gempolklutuk, Indonesia
Average wind speed in September
Gempolklutuk, Indonesia
  • Average wind speed in September: 7.7km/h

The windiest month (with the highest average wind speed) is September (7.7km/h).
The calmest month (with the lowest average wind speed) is April (5.4km/h).

Average humidity in September - Gempolklutuk, Indonesia
Average humidity in September
Gempolklutuk, Indonesia
  • Average humidity in September: 62%

The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are September and October (62%).

Average rainfall in September - Gempolklutuk, Indonesia
Average rainfall in September
Gempolklutuk, Indonesia
  • Average rainfall in September: 12mm

The wettest month (with the highest rainfall) is February (273mm).
The driest month (with the least rainfall) is August (6mm).

Average rainfall days in September - Gempolklutuk, Indonesia
Average rainfall days in September
Gempolklutuk, Indonesia
  • Average rainfall days in September: 5.2 days

The month with the highest number of rainy days is January (30.1 days).
The month with the least rainy days is August (4 days).

Average daylight in September / Average sunshine in September - Gempolklutuk, Indonesia
Average daylight in September /
Average sunshine in September
Gempolklutuk, 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: 9h and 4min

The months with the most sunshine are August, September and October (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 7h and 6min).

Average sunshine days in September - Gempolklutuk, Indonesia
Average sunshine days in September
Gempolklutuk, Indonesia
  • Average sunshine days in September: 23.8 days

The month with the most sunshine days is August (26.5 days).
The month with the least sunshine days is February (0.3 days).

Average UV index in September - Gempolklutuk, Indonesia
Average UV index in September
Gempolklutuk, Indonesia
  • Average UV index in September: 7

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

Average cloud cover in September - Gempolklutuk, Indonesia
Average cloud cover in September
Gempolklutuk, Indonesia
  • Average cloud cover in September: 17

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are August and September (Cloud cover 17).

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

The months with the highest visibility are June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and March (8km).

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