September weather forecast
Tanjung Pandan, Indonesia

September

Weather in September

The first month of the spring, September, is still a tropical month in Tanjung Pandan, Indonesia, with an average temperature fluctuating between 26.6°C (79.9°F) and 30°C (86°F).

Temperature

Tanjung Pandan's September experiences a high-temperature average of a still tropical 30°C (86°F), matching the temperature of August. September registers an average low temperature of 26.6°C (79.9°F), subtly lower than the daytime maximum.

Heat index

September's mean heat index is evaluated at a sweltering 36°C (96.8°F). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', gives a temperature feeling by integrating air temperature and humidity. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

The months with the lowest humidity are September and October, with an average relative humidity of 74%.

Rainfall

The month with the least rainfall is September, when the rain falls for 13.7 days and typically collects 43mm (1.69") of precipitation.

Daylight

In Tanjung Pandan, Indonesia, the average length of the day in September is 12h and 6min.
On the first day of the month, sunrise is at 05:47 and sunset at 17:51. On the last day of September, in Tanjung Pandan, sunrise is at 05:35 and sunset at 17:43 WIB.

Sunshine

In Tanjung Pandan, the average sunshine in September is 9.3h.

UV index

The months with the highest UV index in Tanjung Pandan are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Tanjung Pandan are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 7 during September translates into the following recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.

Frequently asked questions

How hot does it get in September?
In Tanjung Pandan, in September, the average high-temperature is 30°C (86°F), and the average low-temperature is 26.6°C (79.9°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in September is evaluated at 36°C (96.8°F).
What is the least humid month?
The months with the lowest humidity are September and October, with an average relative humidity of 74%.
What is the average humidity in September?
The average relative humidity in September is 74%.
What is the driest month in Tanjung Pandan?
September is the month with the least rainfall. Rain falls for 13.7 days and accumulates 43mm (1.69") of precipitation.
How much does it rain in September?
In Tanjung Pandan, during September, the rain falls for 13.7 days and regularly aggregates up to 43mm (1.69") of precipitation.
What is the average length of the day in September?
The average day length in September is 12h and 6min.
When are sunrise and sunset in September?
In September, on the first day of the month, sunrise is at 05:47 and sunset at 17:51. On the last day of the month, sunrise is at 05:35 and sunset at 17:43 WIB.
How long on average sun shines in September?
In Tanjung Pandan, the average sunshine duration in September is 9.3h.
What are the months with the highest UV index?
January through December, with an average maximum UV index of 7, are months with the highest UV index in Tanjung Pandan.
What are the months with the lowest UV index in Tanjung Pandan?
The months with the lowest UV index are January through December, with an average maximum UV index of 7.
What is the UV index reading in September?
The average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health risk 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
Tanjung Pandan, Indonesia
  • Average high temperature in September: 30°C

The warmest months (with the highest average high temperature) are May and October (30.3°C).
The months with the lowest average high temperature are January and February (28.8°C).

  • Average low temperature in September: 26.6°C

The month with the highest average low temperature is May (27.3°C).
The coldest months (with the lowest average low temperature) are February, July, August and September (26.6°C).

Average pressure in September
Tanjung Pandan, Indonesia
  • Average pressure in September: 1010.1mbar

The month with the highest atmospheric pressure is September (1010.1mbar).
The months with the lowest atmospheric pressure are May, November and December (1008.8mbar).

Average wind speed in September
Tanjung Pandan, Indonesia
  • Average wind speed in September: 14.5km/h

The windiest month (with the highest average wind speed) is January (16.6km/h).
The calmest month (with the lowest average wind speed) is April (7.3km/h).

Average humidity in September
Tanjung Pandan, Indonesia
  • Average humidity in September: 74%

The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are September and October (74%).

Average rainfall in September
Tanjung Pandan, Indonesia
  • Average rainfall in September: 43mm

The wettest month (with the highest rainfall) is December (156mm).
The driest month (with the least rainfall) is September (43mm).

Average rainfall days in September
Tanjung Pandan, Indonesia
  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is December (27.1 days).
The month with the least rainy days is September (13.7 days).

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

The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 12h and 0min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is March (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 7h and 18min).

Average sunshine days in September
Tanjung Pandan, Indonesia
  • Average sunshine days in September: 14.2 days

The month with the most sunshine days is September (14.2 days).
The month with the least sunshine days is December (3.3 days).

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

The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is September (Cloud cover 25).

Average visibility in September
Tanjung Pandan, 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).

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