September weather forecast
Jatiuwung, Indonesia

September

Weather in September

September, the first month of the spring in Jatiuwung, is still a tropical month, with an average temperature fluctuating between 30.9°C (87.6°F) and 25.3°C (77.5°F).

Temperature

Jatiuwung's weather, upon September's arrival, documents an average high-temperature of a still hot 30.9°C (87.6°F), nearly identical to the prior month. In the month of September, Jatiuwung records a consistent average low-temperature of 25.3°C (77.5°F).

Heat index

September's mean heat index is computed to be a very hot 37°C (98.6°F). Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Continuous activity could lead to heatstroke.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. 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 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. 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. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are extremely significant for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

The months with the lowest humidity in Jatiuwung are September and October, with an average relative humidity of 69%.

Rainfall

In Jatiuwung, in September, during 18 rainfall days, 60mm (2.36") of precipitation is typically accumulated. In Jatiuwung, during the entire year, the rain falls for 284.6 days and collects up to 1327mm (52.24") of precipitation.

Daylight

In Jatiuwung, the average length of the day in September is 12h and 4min.
On the first day of the month, sunrise is at 05:53 and sunset at 17:53. On the last day of September, in Jatiuwung, sunrise is at 05:38 and sunset at 17:48 WIB.

Sunshine

In September, the average sunshine in Jatiuwung is 9.5h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Jatiuwung. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Jatiuwung. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, a daily maximum UV index of 7 leads to the following instructions:
Deter overexposure. Protecting against the sun's effects is essential. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

Is it hot in Jatiuwung during September?
The high-temperature, in September, in Jatiuwung, records 30.9°C (87.6°F), while the low-temperature is 25.3°C (77.5°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in September is computed to be 37°C (98.6°F).
What are the least humid months in Jatiuwung?
September and October, with an average relative humidity of 69%, are the least humid months in Jatiuwung.
What is the average humidity in September in Jatiuwung?
The average relative humidity in September in Jatiuwung is 69%.
How much does it rain in Jatiuwung in September?
In Jatiuwung, in September, it is raining for 18 days, with typically 60mm (2.36") of accumulated precipitation.
How many hours of daylight does Jatiuwung have in September?
The average day length in September in Jatiuwung, Indonesia, is 12h and 4min.
What time are sunrise and sunset in September in Jatiuwung?
In September, on the first day of the month, sunrise is at 05:53 and sunset at 17:53. On the last day of the month, sunrise is at 05:38 and sunset at 17:48 WIB.
How many hours of sunshine does Jatiuwung have in September?
The average sunshine duration in September in Jatiuwung is 9.5h.
What is the month with the highest UV index in Jatiuwung?
January through December, with an average maximum UV index of 7, are months with the highest UV index in Jatiuwung, Indonesia.
What are the months with the lowest UV index in Jatiuwung?
January through December, with an average maximum UV index of 7, are months with the lowest UV index.
How high is the UV index in September in Jatiuwung?
In September, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health vulnerability 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
Jatiuwung, Indonesia
  • Average high temperature in September: 30.9°C

The warmest month (with the highest average high temperature) is October (31.3°C).
The month with the lowest average high temperature is January (29.6°C).

  • Average low temperature in September: 25.3°C

The months with the highest average low temperature are October and November (26.5°C).
The coldest month (with the lowest average low temperature) is July (24.9°C).

Average pressure in September
Jatiuwung, 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
Jatiuwung, Indonesia
  • Average wind speed in September: 8.7km/h

The windiest month (with the highest average wind speed) is January (12.6km/h).
The calmest months (with the lowest average wind speed) are September and November (8.7km/h).

Average humidity in September
Jatiuwung, Indonesia
  • Average humidity in September: 69%

The months with the highest relative humidity are February and March (76%).
The months with the lowest relative humidity are September and October (69%).

Average rainfall in September
Jatiuwung, Indonesia
  • Average rainfall in September: 60mm

The wettest month (with the highest rainfall) is February (162mm).
The driest month (with the least rainfall) is August (49mm).

Average rainfall days in September
Jatiuwung, Indonesia
  • Average rainfall days in September: 18 days

The month with the highest number of rainy days is March (28.1 days).
The month with the least rainy days is August (15.3 days).

Average daylight in September /
Average sunshine in September
Jatiuwung, 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 3min

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

Average sunshine days in September
Jatiuwung, Indonesia
  • Average sunshine days in September: 8 days

The month with the most sunshine days is August (10.5 days).
The month with the least sunshine days is March (1.8 days).

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

The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in September
Jatiuwung, 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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