September weather forecastSrumbung, Indonesia

September

Weather in September

The first month of the spring, September, is still a warm month in Srumbung, Indonesia, with an average temperature ranging between min 22.1°C (71.8°F) and max 28.3°C (82.9°F).

Temperature

September records an average high-temperature of a still moderately hot 28.3°C (82.9°F), indicating a minor variation from the preceding month. In Srumbung, the average low-temperature during the month of September is a pleasant 22.1°C (71.8°F).

Heat index

The heat index for September is computed to be a hot 33°C (91.4°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
In the scope of the heat index, its values resonate with shade and light wind conditions. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', provides an understanding of perceived warmth by combining temperature and relative humidity. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly meaningful for babies and toddlers. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.

Humidity

September and October, with an average relative humidity of 79%, are the least humid months.

Rainfall

In Srumbung, in September, during 13.9 rainfall days, 23mm (0.91") of precipitation is typically accumulated. Throughout the year, there are 245 rainfall days, and 906mm (35.67") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 4min.
On the first day of September, sunrise is at 05:39 and sunset at 17:37. On the last day of the month, sunrise is at 05:23 and sunset at 17:33 WIB.

Sunshine

In September, the average sunshine in Srumbung is 8.8h.

UV index

The months with the highest UV index are February through May, September through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 7 in September transforms into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.

Frequently asked questions

September temperatures in Srumbung vary between a high-temperature of 28.3°C (82.9°F) and a low-temperature of 22.1°C (71.8°F). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is computed to be 33°C (91.4°F).

September and October, with an average relative humidity of 79%, are the least humid months in Srumbung, Indonesia.

In September, the average relative humidity is 79%.

In September, the rain falls for 13.9 days. Throughout September, 23mm (0.91") of precipitation is accumulated.

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

On the first day of September, sunrise is at 05:39 and sunset at 17:37. On the last day of the month, sunrise is at 05:23 and sunset at 17:33 WIB.

In September, the average sunshine duration in Srumbung is 8.8h.

February through May, September through December, with an average maximum UV index of 7, are months with the highest UV index.

In Srumbung, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability 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
Srumbung, Indonesia

  • Average high temperature in September: 28.3°C

The warmest month (with the highest average high temperature) is October (29.4°C).
The month with the lowest average high temperature is July (27.8°C).

  • Average low temperature in September: 22.1°C

The months with the highest average low temperature are January and November (24.3°C).
The coldest month (with the lowest average low temperature) is August (21.9°C).

Average pressure in September
Srumbung, Indonesia

  • Average pressure in September: 1011.9mbar

The months with the highest atmospheric pressure are August and September (1011.9mbar).
The month with the lowest atmospheric pressure is December (1009.1mbar).

Average wind speed in September
Srumbung, Indonesia

  • Average wind speed in September: 13.4km/h

The windiest month (with the highest average wind speed) is August (14.5km/h).
The calmest month (with the lowest average wind speed) is March (8.4km/h).

Average humidity in September
Srumbung, Indonesia

  • Average humidity in September: 79%

The months with the highest relative humidity are May and June (82%).
The months with the lowest relative humidity are September and October (79%).

Average rainfall in September
Srumbung, Indonesia

  • Average rainfall in September: 23mm

The wettest month (with the highest rainfall) is January (126mm).
The driest month (with the least rainfall) is August (14mm).

Average rainfall days in September
Srumbung, Indonesia

  • Average rainfall days in September: 13.9 days

The months with the highest number of rainy days are January, March and November (24.7 days).
The month with the least rainy days is August (11.4 days).

Average daylight in September /
Average sunshine in September
Srumbung, Indonesia

  • Average daylight in September: 12h and 6min

The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 42min).

  • Average sunshine in September: 8h and 48min

The month with the most sunshine is February (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).

Average sunshine days in September
Srumbung, Indonesia

  • Average sunshine days in September: 9.5 days

The month with the most sunshine days is August (11.6 days).
The month with the least sunshine days is November (3.4 days).

Average UV index in September
Srumbung, Indonesia

  • Average UV index in September: 7

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

Average cloud cover in September
Srumbung, Indonesia

  • Average cloud cover in September: 39

The months with the most cloud cover are January and December (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 35).

Average visibility in September
Srumbung, 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).