September weather forecast
Jekulo, Indonesia

September

Weather in September

September, the first month of the spring in Jekulo, is still a hot month, with an average temperature varying between 23.8°C (74.8°F) and 33°C (91.4°F).

Temperature

Jekulo experiences an average high-temperature of a still hot 33°C (91.4°F) in September, marking an insignificant shift from 32°C (89.6°F) in August. Nighttime temperatures hover around an average low of 23.8°C (74.8°F) in September.

Heat index

September's heat index is appraised at a blisteringly hot 42°C (107.6°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
Heat index specifics point out values are for conditions of shade and a slight breeze. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to 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.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.

Humidity

With an average relative humidity of 66%, September is the least humid month.

Rainfall

In Jekulo, during September, the rain falls for 10.5 days and regularly aggregates up to 25mm (0.98") of precipitation. In Jekulo, Indonesia, during the entire year, the rain falls for 239.6 days and collects up to 1140mm (44.88") of precipitation.

Daylight

The average length of the day in September is 12h and 4min.
On the first day of September, sunrise is at 05:36 and sunset at 17:35. On the last day of the month, sunrise is at 05:21 and sunset at 17:31 WIB.

Sunshine

In September, the average sunshine is 9.7h.

UV index

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. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In September, a regular UV index of 7 translates into these guidelines:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.

Frequently asked questions

How hot is it in September?
In September, in Jekulo, the average high-temperature is 33°C (91.4°F), and the average low-temperature is 23.8°C (74.8°F). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is appraised at 42°C (107.6°F).
What is the least humid month?
With an average relative humidity of 66%, September is the least humid month.
What is the average humidity in September?
In Jekulo, the average relative humidity in September is 66%.
How many days does it rain in September?
In Jekulo, in September, it is raining for 10.5 days, with typically 25mm (0.98") of accumulated precipitation.
What is the average length of the day in September?
In September, the average day length is 12h and 4min.
When is the sunrise / sunset in September?
On the first day of September in Jekulo, Indonesia, sunrise is at 05:36 and sunset at 17:35. On the last day of the month, sunrise is at 05:21 and sunset at 17:31 WIB.
How long on average sun shines in September?
In Jekulo, the average sunshine duration in September is 9.7h.
When is the highest UV index?
The months with the highest UV index are January through December, with an average maximum UV index of 7.
When is the lowest UV index in Jekulo?
The months with the lowest UV index are January through December, with an average maximum UV index of 7.
What is the UV index reading in September in Jekulo?
The average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health threat 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 - Jekulo, Indonesia
Average temperature in September
Jekulo, 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 - Jekulo, Indonesia
Average pressure in September
Jekulo, 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 - Jekulo, Indonesia
Average wind speed in September
Jekulo, 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 - Jekulo, Indonesia
Average humidity in September
Jekulo, 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 - Jekulo, Indonesia
Average rainfall in September
Jekulo, 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 - Jekulo, Indonesia
Average rainfall days in September
Jekulo, 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 - Jekulo, Indonesia
Average daylight in September /
Average sunshine in September
Jekulo, 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 - Jekulo, Indonesia
Average sunshine days in September
Jekulo, 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 - Jekulo, Indonesia
Average UV index in September
Jekulo, 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 - Jekulo, Indonesia
Average cloud cover in September
Jekulo, 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 - Jekulo, Indonesia
Average visibility in September
Jekulo, 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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