September weather forecastCilowong, Indonesia

September

Weather in September

September, the first month of the spring in Cilowong, is still a tropical month, with an average temperature ranging between max 31.2°C (88.2°F) and min 24.9°C (76.8°F).

Temperature

Cilowong, Indonesia, observes an average high-temperature of a still hot 31.2°C (88.2°F) in September, barely different from 30.7°C (87.3°F) in August. An average nighttime temperature of 24.9°C (76.8°F) is recorded in Cilowong during September.

Heat index

In September, the average heat index is evaluated at a fiery hot 38°C (100.4°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

The months with the lowest humidity in Cilowong are September and October, with an average relative humidity of 71%.

Rainfall

September is the month with the least rainfall. Rain falls for 11.9 days and accumulates 27mm (1.06") of precipitation.

Daylight

The average length of the day in September is 12h and 4min.
On the first day of the month, sunrise is at 05:55 and sunset at 17:55. On the last day of September, sunrise is at 05:40 and sunset at 17:50 WIB.

Sunshine

September has the most sunshine of the year in Cilowong, with an average of 9.4h of sunshine.

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. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 7 during September leads to these instructions:
Deter overexposure. Protecting against the sun's effects is essential. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

In September, the average high-temperature and low-temperature in Cilowong, Indonesia, are 31.2°C (88.2°F) and 24.9°C (76.8°F) respectively. In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 38°C (100.4°F).

The months with the lowest humidity in Cilowong, Indonesia, are September and October, with an average relative humidity of 71%.

In September, the average relative humidity in Cilowong, Indonesia, is 71%.

September is the month with the least rainfall in Cilowong. Rain falls for 11.9 days and accumulates 27mm (1.06") of precipitation.

In Cilowong, Indonesia, during September, the rain falls for 11.9 days and regularly aggregates up to 27mm (1.06") of precipitation.

The average day length in September in Cilowong is 12h and 4min.

On the first day of September in Cilowong, Indonesia, sunrise is at 05:55 and sunset at 17:55. On the last day of the month, sunrise is at 05:40 and sunset at 17:50 WIB.

The month with the most sunshine is September, with an average of 9.4h of sunshine.

In September, the average sunshine duration in Cilowong, Indonesia, is 9.4h.

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

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

In Cilowong, Indonesia, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Cilowong, Indonesia

  • Average high temperature in September: 31.2°C

The warmest month (with the highest average high temperature) is October (31.6°C).
The month with the lowest average high temperature is January (29.6°C).

  • Average low temperature in September: 24.9°C

The months with the highest average low temperature are May and November (26°C).
The coldest month (with the lowest average low temperature) is August (24.5°C).

Average pressure in September
Cilowong, Indonesia

  • Average pressure in September: 1011.1mbar

The month with the highest atmospheric pressure is September (1011.1mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).

Average wind speed in September
Cilowong, Indonesia

  • Average wind speed in September: 6.2km/h

The windiest months (with the highest average wind speed) are January and December (11.3km/h).
The calmest month (with the lowest average wind speed) is September (6.2km/h).

Average humidity in September
Cilowong, Indonesia

  • Average humidity in September: 71%

The months with the highest relative humidity are February and March (78%).
The months with the lowest relative humidity are September and October (71%).

Average rainfall in September
Cilowong, Indonesia

  • Average rainfall in September: 27mm

The wettest months (with the highest rainfall) are January and February (180mm).
The driest month (with the least rainfall) is September (27mm).

Average rainfall days in September
Cilowong, Indonesia

  • Average rainfall days in September: 11.9 days

The month with the highest number of rainy days is January (28.8 days).
The month with the least rainy days is August (11.3 days).

Average daylight in September /
Average sunshine in September
Cilowong, 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 24min

The month with the most sunshine is September (Average sunshine: 9h and 24min).
The months with the least sunshine are June and July (Average sunshine: 7h and 12min).

Average sunshine days in September
Cilowong, Indonesia

  • Average sunshine days in September: 16.3 days

The month with the most sunshine days is August (16.9 days).
The month with the least sunshine days is January (0.6 days).

Average UV index in September
Cilowong, 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
Cilowong, Indonesia

  • Average cloud cover in September: 23

The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are August and September (Cloud cover 23).

Average visibility in September
Cilowong, 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).