September weather forecast
Kecandran, Indonesia

September

Weather in September

The first month of the spring, September, is a tropical month in Kecandran, Indonesia, with an average temperature fluctuating between 30.5°C (86.9°F) and 21°C (69.8°F).

Temperature

Kecandran observes a minor difference in average high-temperatures between August's 29.3°C (84.7°F) and September's 30.5°C (86.9°F). An average temperature of 21°C (69.8°F) marks the nights in September.

Heat index

During September, the heat index is evaluated at a very hot 37°C (98.6°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
Heat index values are typically calculated for conditions of shade and a light breeze. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a value derived by merging air temperature with the humidity to convey how the climate feels. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.

Humidity

The least humid month is September, with an average relative humidity of 74%.

Rainfall

In Kecandran, during September, the rain falls for 15.8 days and regularly aggregates up to 60mm (2.36") of precipitation. Throughout the year, there are 290.2 rainfall days, and 2595mm (102.17") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 4min.
On the first day of the month, sunrise is at 05:38 and sunset at 17:37. On the last day of September, sunrise is at 05:23 and sunset at 17:32 WIB.

Sunshine

In September, the average sunshine is 9.1h.

UV index

The month with the highest UV index is September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 7 in September translates into these instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.

Frequently asked questions

How hot is September?
The average high-temperature, in September, in Kecandran, is 30.5°C (86.9°F), while the average low-temperature is 21°C (69.8°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in September is evaluated at 37°C (98.6°F).
What is the least humid month?
With an average relative humidity of 74%, September is the least humid month.
What is the average humidity in September in Kecandran?
In Kecandran, the average relative humidity in September is 74%.
How much does it rain in September?
In Kecandran, during September, the rain falls for 15.8 days and regularly aggregates up to 60mm (2.36") of precipitation.
What is the average length of the day in September?
In Kecandran, 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 05:38 and sunset at 17:37. On the last day of the month, sunrise is at 05:23 and sunset at 17:32 WIB.
How long on average sun shines in September?
In Kecandran, the average sunshine duration in September is 9.1h.
When is the highest UV index?
With an average maximum UV index of 7, September is the month with the highest UV index.
What is the UV index intensity in September?
The average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health risk 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
Kecandran, Indonesia
  • Average high temperature in September: 30.5°C

The warmest month (with the highest average high temperature) is October (31°C).
The month with the lowest average high temperature is January (27.7°C).

  • Average low temperature in September: 21°C

The month with the highest average low temperature is November (22.4°C).
The coldest month (with the lowest average low temperature) is July (20.3°C).

Average pressure in September
Kecandran, Indonesia
  • Average pressure in September: 1011.5mbar

The months with the highest atmospheric pressure are August and September (1011.5mbar).
The month with the lowest atmospheric pressure is December (1009mbar).

Average wind speed in September
Kecandran, Indonesia
  • Average wind speed in September: 7.1km/h

The windiest month (with the highest average wind speed) is September (7.1km/h).
The calmest month (with the lowest average wind speed) is April (4.6km/h).

Average humidity in September
Kecandran, Indonesia
  • Average humidity in September: 74%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is September (74%).

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

The wettest month (with the highest rainfall) is February (379mm).
The driest month (with the least rainfall) is August (34mm).

Average rainfall days in September
Kecandran, Indonesia
  • Average rainfall days in September: 15.8 days

The month with the highest number of rainy days is January (30.4 days).
The month with the least rainy days is August (11.8 days).

Average daylight in September /
Average sunshine in September
Kecandran, 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 1min

The month with the most sunshine is August (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).

Average sunshine days in September
Kecandran, Indonesia
  • Average sunshine days in September: 10.6 days

The month with the most sunshine days is August (14.8 days).
The months with the least sunshine days are January and March (0.2 days).

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

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

Average cloud cover in September
Kecandran, Indonesia
  • Average cloud cover in September: 33

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 33).

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

The month with the highest visibility is September (10km).
The months with the lowest visibility are January, February, March, April, May and November (8km).

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