September weather forecastKlutuk, Indonesia

September

Weather in September

The first month of the spring, September, is also a hot month in Klutuk, Indonesia, with an average temperature ranging between min 25.3°C (77.5°F) and max 30.9°C (87.6°F).

Temperature

September's onset sees an average high-temperature of a still tropical 30.9°C (87.6°F), exhibiting a slight fluctuation from the previous month. September brings with it a nighttime average temperature of 25.3°C (77.5°F).

Heat index

The heat index value during September is appraised at a sweltering 37°C (98.6°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Be advised, the heat index considers values for conditions in shade and with a light breeze. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is achieved by amalgamating air temperature with the relative humidity readings. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. 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. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.

Humidity

September and October, with an average relative humidity of 69%, are the least humid months.

Rainfall

In Klutuk, during September, the rain falls for 18 days and regularly aggregates up to 60mm (2.36") of precipitation. In Klutuk, during the entire year, the rain falls for 284.6 days and collects up to 1328mm (52.28") of precipitation.

Daylight

In Klutuk, the average length of the day in September is 12h and 4min.
On the first day of September, sunrise is at 05:54 and sunset at 17:54. On the last day of the month, sunrise is at 05:39 and sunset at 17:49 WIB.

Sunshine

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

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Klutuk. A UV Index reading 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 UV index of 7 transforms into the following advice:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

Frequently asked questions

The average high-temperature, in September, in Klutuk, is 30.9°C (87.6°F), while the average low-temperature is 25.3°C (77.5°F). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is appraised at 37°C (98.6°F).

September and October, with an average relative humidity of 69%, are the least humid months.

In September, the average relative humidity is 69%.

In Klutuk, in September, during 18 rainfall days, 60mm (2.36") of precipitation is typically accumulated.

In September, the average day length is 12h and 4min.

In September, on the first day of the month, sunrise is at 05:54 and sunset at 17:54. On the last day of the month, sunrise is at 05:39 and sunset at 17:49 WIB.

The average sunshine duration in September is 9.5h.

The months with the highest UV index are January through December, with an average maximum UV index of 7.

The months with the lowest UV index are January through December, with an average maximum UV index of 7.

In September, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Klutuk, 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
Klutuk, 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
Klutuk, 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
Klutuk, 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
Klutuk, 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
Klutuk, 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
Klutuk, Indonesia

  • Average daylight in September: 12h and 6min

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 30min

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
Klutuk, 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
Klutuk, 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
Klutuk, 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
Klutuk, 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).