September weather forecast
Gajahmungkur, Indonesia

September

Weather in September

The first month of the spring, September, is still a tropical month in Gajahmungkur, Indonesia, with an average temperature ranging between max 33.2°C (91.8°F) and min 23.8°C (74.8°F).

Temperature

September's onset records an average high-temperature of a still hot 33.2°C (91.8°F), a near match to August's 32.3°C (90.1°F). Gajahmungkur records an average low of 23.8°C (74.8°F) throughout the nights in September.

Heat index

The heat index value during September is calculated to be a scorching 42°C (107.6°F). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. 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 especially vital to children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

The least humid month in Gajahmungkur is September, with an average relative humidity of 66%.

Rainfall

In September, in Gajahmungkur, Indonesia, the rain falls for 10.8 days. Throughout September, 24mm (0.94") of precipitation is accumulated. Throughout the year, in Gajahmungkur, there are 226.7 rainfall days, and 1000mm (39.37") of precipitation is accumulated.

Daylight

In Gajahmungkur, Indonesia, the average length of the day in September is 12h and 4min.
On the first day of September in Gajahmungkur, sunrise is at 05:38 and sunset at 17:37. On the last day of the month, sunrise is at 05:23 and sunset at 17:33 WIB.

Sunshine

In Gajahmungkur, Indonesia, the average sunshine in September is 9.7h.

UV index

February through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In September, the maximum UV index of 7 transforms into these recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

How hot is it in Gajahmungkur in September?
The high-temperature, in September, in Gajahmungkur, is 33.2°C (91.8°F), while the low-temperature averages to 23.8°C (74.8°F). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is calculated to be 42°C (107.6°F).
What is the least humid month in Gajahmungkur?
With an average relative humidity of 66%, September is the least humid month in Gajahmungkur, Indonesia.
What is the average humidity in September in Gajahmungkur?
The average relative humidity in September in Gajahmungkur, Indonesia, is 66%.
How many days does it rain in September in Gajahmungkur?
In September, in Gajahmungkur, the rain falls for 10.8 days. Throughout September, 24mm (0.94") of precipitation is accumulated.
How many hours of daylight does Gajahmungkur have in September?
In Gajahmungkur, the average day length in September is 12h and 4min.
When are sunrise and sunset in September in Gajahmungkur?
On the first day of September in Gajahmungkur, sunrise is at 05:38 and sunset at 17:37. On the last day of the month, sunrise is at 05:23 and sunset at 17:33 WIB.
How many hours of sunshine does Gajahmungkur have in September?
In Gajahmungkur, Indonesia, the average sunshine duration in September is 9.7h.
What is the month with the highest UV index in Gajahmungkur?
February through December, with an average maximum UV index of 7, are months with the highest UV index in Gajahmungkur.
How high is the UV index in September in Gajahmungkur?
In September, the average daily maximum UV index is 7. A UV Index 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
Gajahmungkur, Indonesia
  • Average high temperature in September: 33.2°C

The warmest month (with the highest average high temperature) is October (33.5°C).
The month with the lowest average high temperature is January (29.7°C).

  • Average low temperature in September: 23.8°C

The month with the highest average low temperature is November (25.4°C).
The coldest month (with the lowest average low temperature) is July (23°C).

Average pressure in September
Gajahmungkur, Indonesia
  • Average pressure in September: 1011.4mbar

The month with the highest atmospheric pressure is September (1011.4mbar).
The month with the lowest atmospheric pressure is December (1009mbar).

Average wind speed in September
Gajahmungkur, Indonesia
  • Average wind speed in September: 7.7km/h

The windiest month (with the highest average wind speed) is January (10.1km/h).
The calmest month (with the lowest average wind speed) is April (5.8km/h).

Average humidity in September
Gajahmungkur, Indonesia
  • Average humidity in September: 66%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is September (66%).

Average rainfall in September
Gajahmungkur, Indonesia
  • Average rainfall in September: 24mm

The wettest month (with the highest rainfall) is January (163mm).
The driest month (with the least rainfall) is August (14mm).

Average rainfall days in September
Gajahmungkur, Indonesia
  • Average rainfall days in September: 10.8 days

The month with the highest number of rainy days is January (25.3 days).
The month with the least rainy days is August (8.9 days).

Average daylight in September /
Average sunshine in September
Gajahmungkur, 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 42min).

  • Average sunshine in September: 9h and 4min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 8h and 12min).

Average sunshine days in September
Gajahmungkur, Indonesia
  • Average sunshine days in September: 15.7 days

The month with the most sunshine days is August (19.7 days).
The month with the least sunshine days is November (3 days).

Average UV index in September
Gajahmungkur, Indonesia
  • Average UV index in September: 7

The months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is January (UV index 6).

Average cloud cover in September
Gajahmungkur, Indonesia
  • Average cloud cover in September: 23

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 20).

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

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

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