September weather forecast
Pontang, Indonesia

September

Weather in September

The first month of the spring, September, is still a hot month in Pontang, Indonesia, with an average temperature fluctuating between 31.3°C (88.3°F) and 25°C (77°F).

Temperature

Pontang, Indonesia, ushers in September with an average high-temperature of a still hot 31.3°C (88.3°F), showing a close resemblance to the previous month. Pontang's nighttime temperature in September falls to an average of 25°C (77°F).

Heat index

For September, the heat index is evaluated at a very hot 39°C (102.2°F). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
Be advised, the heat index considers values for conditions in shade and with a light breeze. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. 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. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

September and October, with an average relative humidity of 71%, are the least humid months.

Rainfall

In Pontang, in September, it is raining for 13.3 days, with typically 31mm (1.22") of accumulated precipitation. In Pontang, during the entire year, the rain falls for 273 days and collects up to 1266mm (49.84") 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 05:54 and sunset at 17:54. On the last day of September, sunrise is at 05:40 and sunset at 17:49 WIB.

Sunshine

The month with the most sunshine is September, with an average of 9.3h of sunshine.

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 are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 7 during September leads to these advisories:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Frequently asked questions

Is it hot during September?
The high-temperature, in September, in Pontang, records 31.3°C (88.3°F), while the low-temperature is 25°C (77°F). 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 evaluated at 39°C (102.2°F).
What is the least humid month?
The months with the lowest humidity are September and October, with an average relative humidity of 71%.
What is the average humidity in September?
The average relative humidity in September is 71%.
How much does it rain in September?
In September, the rain falls for 13.3 days. Throughout September, 31mm (1.22") of precipitation is accumulated.
What is the average length of the day in September?
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 05:54 and sunset at 17:54. On the last day of the month, sunrise is at 05:40 and sunset at 17:49 WIB.
What month has the most sunshine?
With an average of 9.3h of sunshine, September has the most sunshine of the year.
How many hours of sunshine does Pontang have in September?
The average sunshine duration in September is 9.3h.
What is the month with the highest UV index?
The months with the highest UV index are January through December, with an average maximum UV index of 7.
What is the month with the lowest UV index?
The months with the lowest UV index are January through December, with an average maximum UV index of 7.
How high is the UV index in September?
In Pontang, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health threat 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
Pontang, Indonesia
  • Average high temperature in September: 31.3°C

The warmest month (with the highest average high temperature) is October (31.6°C).
The month with the lowest average high temperature is January (29.6°C).

  • Average low temperature in September: 25°C

The months with the highest average low temperature are May and November (26°C).
The coldest month (with the lowest average low temperature) is August (24.5°C).

Average pressure in September
Pontang, 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
Pontang, Indonesia
  • Average wind speed in September: 6.2km/h

The windiest months (with the highest average wind speed) are January and December (11.3km/h).
The calmest month (with the lowest average wind speed) is September (6.2km/h).

Average humidity in September
Pontang, Indonesia
  • Average humidity in September: 71%

The months with the highest relative humidity are February and March (78%).
The months with the lowest relative humidity are September and October (71%).

Average rainfall in September
Pontang, Indonesia
  • Average rainfall in September: 31mm

The wettest months (with the highest rainfall) are January and February (180mm).
The driest month (with the least rainfall) is August (29mm).

Average rainfall days in September
Pontang, Indonesia
  • Average rainfall days in September: 13.3 days

The month with the highest number of rainy days is January (28.8 days).
The month with the least rainy days is August (11.3 days).

Average daylight in September /
Average sunshine in September
Pontang, 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 48min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is September (Average sunshine: 9h and 18min).
The months with the least sunshine are June and July (Average sunshine: 7h and 12min).

Average sunshine days in September
Pontang, Indonesia
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is August (16.9 days).
The month with the least sunshine days is January (0.6 days).

Average UV index in September
Pontang, 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
Pontang, Indonesia
  • Average cloud cover in September: 25

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 23).

Average visibility in September
Pontang, Indonesia
  • Average visibility in September: 10km

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

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