September weather forecast
Purbayan, Indonesia

September

Weather in September

September, the first month of the spring in Purbayan, is also a moderately hot month, with an average temperature ranging between max 28.7°C (83.7°F) and min 21.4°C (70.5°F).

Temperature

Purbayan notes an average high-temperature of a still moderately hot 28.7°C (83.7°F) in September, displaying minor variation from August. The average low-temperature, in September, is a pleasant 21.4°C (70.5°F).

Heat index

For September, the heat index is appraised at a tropical 34°C (93.2°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. 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 'feels like', marries air temperature and humidity to produce a value illustrating perceived warmth. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.

Humidity

September and October, with an average relative humidity of 80%, are the least humid months in Purbayan.

Rainfall

In Purbayan, in September, during 17.8 rainfall days, 52mm (2.05") of precipitation is typically accumulated. In Purbayan, during the entire year, the rain falls for 294.6 days and collects up to 1749mm (68.86") of precipitation.

Daylight

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

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 in Purbayan. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index, 6 in September, converts into the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.

Frequently asked questions

How hot is September in Purbayan?
The average high-temperature, in September, in Purbayan, is 28.7°C (83.7°F), while the average low-temperature is 21.4°C (70.5°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, in September is appraised at 34°C (93.2°F).
What is the least humid month in Purbayan?
The months with the lowest humidity in Purbayan, Indonesia, are September and October, with an average relative humidity of 80%.
What is the average humidity in September in Purbayan?
The average relative humidity in September in Purbayan, Indonesia, is 80%.
How many days does it rain in September in Purbayan?
In Purbayan, during September, the rain falls for 17.8 days and regularly aggregates up to 52mm (2.05") of precipitation.
What is the average length of the day in September in Purbayan?
The average day length in September is 12h and 4min.
When are sunrise and sunset in September in Purbayan?
On the first day of September in Purbayan, 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 long on average sun shines in September in Purbayan?
In September, the average sunshine duration is 8.6h.
What is the month with the lowest UV index in Purbayan?
January, April through September, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Purbayan, Indonesia.
How high is the UV index in September in Purbayan?
In September, the average daily maximum UV index in Purbayan, Indonesia, is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unprotected exposure to 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 - Purbayan, Indonesia
Average temperature in September
Purbayan, Indonesia
  • Average high temperature in September: 28.7°C

The warmest month (with the highest average high temperature) is October (29.3°C).
The month with the lowest average high temperature is July (27.7°C).

  • Average low temperature in September: 21.4°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 - Purbayan, Indonesia
Average pressure in September
Purbayan, 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 (1009mbar).

Average wind speed in September - Purbayan, Indonesia
Average wind speed in September
Purbayan, Indonesia
  • Average wind speed in September: 11km/h

The windiest month (with the highest average wind speed) is August (11.6km/h).
The calmest month (with the lowest average wind speed) is April (7km/h).

Average humidity in September - Purbayan, Indonesia
Average humidity in September
Purbayan, 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 - Purbayan, Indonesia
Average rainfall in September
Purbayan, Indonesia
  • Average rainfall in September: 52mm

The wettest month (with the highest rainfall) is March (236mm).
The driest month (with the least rainfall) is August (29mm).

Average rainfall days in September - Purbayan, Indonesia
Average rainfall days in September
Purbayan, Indonesia
  • Average rainfall days in September: 17.8 days

The month with the highest number of rainy days is January (30.3 days).
The month with the least rainy days is August (13.8 days).

Average daylight in September / Average sunshine in September - Purbayan, Indonesia
Average daylight in September /
Average sunshine in September
Purbayan, 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 0min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).

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

The month with the most sunshine days is August (11.1 days).
The months with the least sunshine days are January and February (0.4 days).

Average UV index in September - Purbayan, Indonesia
Average UV index in September
Purbayan, 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 - Purbayan, Indonesia
Average cloud cover in September
Purbayan, Indonesia
  • Average cloud cover in September: 41

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July and August (Cloud cover 38).

Average visibility in September - Purbayan, Indonesia
Average visibility in September
Purbayan, 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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