September weather forecast
Tumpangkrasak, Indonesia

September

Weather in September

September, the first month of the spring in Tumpangkrasak, is still a tropical month, with an average temperature ranging between max 33°C (91.4°F) and min 23.8°C (74.8°F).

Temperature

In September, Tumpangkrasak experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 32°C (89.6°F) in August to a still hot 33°C (91.4°F). An average low-temperature of 23.8°C (74.8°F) is observed during the September nights.

Heat index

September's average heat index is computed to be a blistering 42°C (107.6°F). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild 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. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.

Humidity

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

Rainfall

In September, the rain falls for 10.5 days. Throughout September, 25mm (0.98") of precipitation is accumulated. Throughout the year, there are 239.6 rainfall days, and 1140mm (44.88") of precipitation is accumulated.

Daylight

In Tumpangkrasak, the average length of the day in September is 12h and 4min.
On the first day of the month, sunrise is at 05:36 and sunset at 17:36. On the last day of September, sunrise is at 05:21 and sunset at 17:31 WIB.

Sunshine

In September, the average sunshine is 9.7h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In September, the UV index of 7 transforms into the following advice:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.

Frequently asked questions

How hot is it in September?
Tumpangkrasak in September has an average high-temperature of 33°C (91.4°F) and an average low-temperature of 23.8°C (74.8°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in September is computed to be 42°C (107.6°F).
What is the least humid month?
September is the least humid month, with an average relative humidity of 66%.
What is the average humidity in September?
In Tumpangkrasak, the average relative humidity in September is 66%.
How much does it rain in September?
In September, the rain falls for 10.5 days. Throughout September, 25mm (0.98") of precipitation is accumulated.
What is the average length of the day in September?
The average day length in September is 12h and 4min.
When is the sunrise / sunset in September?
In September, on the first day of the month, sunrise is at 05:36 and sunset at 17:36. On the last day of the month, sunrise is at 05:21 and sunset at 17:31 WIB.
How many hours of sunshine does Tumpangkrasak have in September?
In September, the average sunshine duration is 9.7h.
What is the month with the highest UV index?
The months with the highest UV index are January through December, with an average maximum UV index of 7.
What are the months with the lowest UV index?
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?
The average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high hazard to health 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
Tumpangkrasak, Indonesia
  • Average high temperature in September: 33°C

The warmest month (with the highest average high temperature) is October (33.5°C).
The months with the lowest average high temperature are January and February (29.8°C).

  • Average low temperature in September: 23.8°C

The month with the highest average low temperature is November (25.3°C).
The coldest months (with the lowest average low temperature) are July and August (23.3°C).

Average pressure in September
Tumpangkrasak, Indonesia
  • Average pressure in September: 1011.2mbar

The month with the highest atmospheric pressure is September (1011.2mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).

Average wind speed in September
Tumpangkrasak, Indonesia
  • Average wind speed in September: 8.5km/h

The windiest month (with the highest average wind speed) is January (10.5km/h).
The calmest month (with the lowest average wind speed) is April (5.9km/h).

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

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is September (66%).

Average rainfall in September
Tumpangkrasak, Indonesia
  • Average rainfall in September: 25mm

The wettest month (with the highest rainfall) is January (192mm).
The driest month (with the least rainfall) is August (16mm).

Average rainfall days in September
Tumpangkrasak, Indonesia
  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is January (27.7 days).
The month with the least rainy days is August (9.5 days).

Average daylight in September /
Average sunshine in September
Tumpangkrasak, 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: 7h and 48min).

Average sunshine days in September
Tumpangkrasak, Indonesia
  • Average sunshine days in September: 17 days

The month with the most sunshine days is August (19.6 days).
The month with the least sunshine days is January (2.1 days).

Average UV index in September
Tumpangkrasak, 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
Tumpangkrasak, Indonesia
  • Average cloud cover in September: 24

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 23).

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

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

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