September weather forecast
Jatimakmur, Indonesia

September

Weather in September

September, the first month of the spring in Jatimakmur, is still a hot month, with an average temperature ranging between max 31.2°C (88.2°F) and min 25°C (77°F).

Temperature

Jatimakmur marks the onset of September with an average high-temperature of a still hot 31.2°C (88.2°F), a subtle shift from August's 31.1°C (88°F). The low-temperature in Jatimakmur averages to a warm 25°C (77°F) during the nights of September.

Heat index

For most parts of September, the heat index is calculated to be a torrid 38°C (100.4°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', shows a temperature sensation when both heat and moisture conditions are combined. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

In Jatimakmur, the average relative humidity in September is 68%.

Rainfall

In Jatimakmur, Indonesia, during September, the rain falls for 13.5 days and regularly aggregates up to 46mm (1.81") of precipitation. In Jatimakmur, Indonesia, during the entire year, the rain falls for 252 days and collects up to 1150mm (45.28") of precipitation.

Daylight

In Jatimakmur, the average length of the day in September is 12h and 4min.
On the first day of the month, sunrise is at 05:52 and sunset at 17:52. On the last day of September, sunrise is at 05:37 and sunset at 17:46 WIB.

Sunshine

In September, the average sunshine is 9.6h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Jatimakmur. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 7 suggests these recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.

Frequently asked questions

Is it hot in Jatimakmur during September?
In September, the average high-temperature and low-temperature are 31.2°C (88.2°F) and 25°C (77°F) respectively. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in September is calculated to be 38°C (100.4°F).
What is the average humidity in September in Jatimakmur?
In September, the average relative humidity in Jatimakmur, Indonesia, is 68%.
How much does it rain in Jatimakmur in September?
In September, the rain falls for 13.5 days. Throughout September, 46mm (1.81") of precipitation is accumulated.
How many hours of daylight does Jatimakmur have in September?
The average day length in September in Jatimakmur is 12h and 4min.
When is the sunrise / sunset in September in Jatimakmur?
On the first day of September in Jatimakmur, Indonesia, sunrise is at 05:52 and sunset at 17:52. On the last day of the month, sunrise is at 05:37 and sunset at 17:46 WIB.
How many hours of sunshine does Jatimakmur have in September?
In September, the average sunshine duration in Jatimakmur, Indonesia, is 9.6h.
When is the highest UV index in Jatimakmur?
The months with the highest UV index in Jatimakmur are January through December, with an average maximum UV index of 7.
When is the lowest UV index in Jatimakmur?
January through December, with an average maximum UV index of 7, are months with the lowest UV index in Jatimakmur.
What is the UV index reading in September in Jatimakmur?
The average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from unsafe 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 - Jatimakmur, Indonesia
Average temperature in September
Jatimakmur, Indonesia
  • Average high temperature in September: 31.2°C

The warmest month (with the highest average high temperature) is October (31.8°C).
The months with the lowest average high temperature are January and February (29.8°C).

  • Average low temperature in September: 25°C

The month with the highest average low temperature is November (26.5°C).
The coldest month (with the lowest average low temperature) is August (24.7°C).

Average pressure in September - Jatimakmur, Indonesia
Average pressure in September
Jatimakmur, Indonesia
  • Average pressure in September: 1011.1mbar

The month with the highest atmospheric pressure is September (1011.1mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).

Average wind speed in September - Jatimakmur, Indonesia
Average wind speed in September
Jatimakmur, Indonesia
  • Average wind speed in September: 8.8km/h

The windiest month (with the highest average wind speed) is January (12.4km/h).
The calmest month (with the lowest average wind speed) is November (8.1km/h).

Average humidity in September - Jatimakmur, Indonesia
Average humidity in September
Jatimakmur, Indonesia
  • Average humidity in September: 68%

The month with the highest relative humidity is February (76%).
The month with the lowest relative humidity is October (67%).

Average rainfall in September - Jatimakmur, Indonesia
Average rainfall in September
Jatimakmur, Indonesia
  • Average rainfall in September: 46mm

The wettest month (with the highest rainfall) is March (144mm).
The driest month (with the least rainfall) is August (35mm).

Average rainfall days in September - Jatimakmur, Indonesia
Average rainfall days in September
Jatimakmur, Indonesia
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is March (26.1 days).
The month with the least rainy days is August (11.6 days).

Average daylight in September / Average sunshine in September - Jatimakmur, Indonesia
Average daylight in September /
Average sunshine in September
Jatimakmur, 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 4min

The month with the most sunshine is March (Average sunshine: 10h and 12min).
The month with the least sunshine is July (Average sunshine: 7h and 18min).

Average sunshine days in September - Jatimakmur, Indonesia
Average sunshine days in September
Jatimakmur, Indonesia
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is August (16 days).
The month with the least sunshine days is February (2.6 days).

Average UV index in September - Jatimakmur, Indonesia
Average UV index in September
Jatimakmur, 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 - Jatimakmur, Indonesia
Average cloud cover in September
Jatimakmur, Indonesia
  • Average cloud cover in September: 22

The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in September - Jatimakmur, Indonesia
Average visibility in September
Jatimakmur, 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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