September weather forecastWonogiri, Indonesia

September

Weather in September

September, the first month of the spring in Wonogiri, is a hot month, with an average temperature ranging between min 21.5°C (70.7°F) and max 30.3°C (86.5°F).

Temperature

The arrival of September marks a slight shift to an average high-temperature of a tropical 30.3°C (86.5°F) from August's 29.3°C (84.7°F). Wonogiri sees an average low-temperature of 21.5°C (70.7°F) during September.

Heat index

Throughout September, the heat index is estimated at a fiery hot 37°C (98.6°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', gives an indication of how one might feel in terms of heat after considering humidity. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.

Humidity

September and October, with an average relative humidity of 75%, are the least humid months.

Rainfall

In September, the rain falls for 13.1 days. Throughout September, 38mm (1.5") of precipitation is accumulated. Throughout the year, there are 247.2 rainfall days, and 1234mm (48.58") of precipitation is accumulated.

Daylight

In September, the average length of the day in Wonogiri is 12h and 4min.
On the first day of September in Wonogiri, sunrise is at 05:37 and sunset at 17:35. On the last day of the month, sunrise is at 05:21 and sunset at 17:31 WIB.

Sunshine

The average sunshine in September in Wonogiri is 9.1h.

UV index

February, September and October, with an average maximum UV index of 7, are months with the highest UV index in Wonogiri. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: During September, 7 as the daily maximum UV index converts into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Updated: Jan 25, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in September, in Wonogiri, is 30.3°C (86.5°F), while the low-temperature averages to 21.5°C (70.7°F). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is estimated at 37°C (98.6°F).

September and October, with an average relative humidity of 75%, are the least humid months in Wonogiri, Indonesia.

The average relative humidity in September is 75%.

In Wonogiri, Indonesia, in September, it is raining for 13.1 days, with typically 38mm (1.5") of accumulated precipitation.

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

In September, on the first day of the month, sunrise is at 05:37 and sunset at 17:35. On the last day of the month, in Wonogiri, Indonesia, sunrise is at 05:21 and sunset at 17:31 WIB.

In September, the average sunshine duration is 9.1h.

February, September and October, with an average maximum UV index of 7, are months with the highest UV index.

In Wonogiri, Indonesia, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

29.3°C

30.3°C

30.9°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

12.5km/h

12.6km/h

12km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

14.3

11.1

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Wonogiri, Indonesia

Average high temperature in September: 30.3°C

The warmest month (with the highest average high temperature) is October (30.9°C).
The month with the lowest average high temperature is July (28.6°C).

Average low temperature in September: 21.5°C

The month with the highest average low temperature is November (23.5°C).
The coldest month (with the lowest average low temperature) is August (20.8°C).

Average pressure in September
Wonogiri, Indonesia

Average pressure in September: 1011.8mbar

The months with the highest atmospheric pressure are August and September (1011.8mbar).
The month with the lowest atmospheric pressure is December (1009mbar).

Average wind speed in September
Wonogiri, Indonesia

Average wind speed in September: 10.8km/h

The windiest month (with the highest average wind speed) is August (11.1km/h).
The calmest month (with the lowest average wind speed) is April (6.2km/h).

Average humidity in September
Wonogiri, Indonesia

Average humidity in September: 75%

The months with the highest relative humidity are February, March and April (85%).
The months with the lowest relative humidity are September and October (75%).

Average rainfall in September
Wonogiri, Indonesia

Average rainfall in September: 38mm

The wettest month (with the highest rainfall) is March (178mm).
The driest month (with the least rainfall) is August (26mm).

Average rainfall days in September
Wonogiri, Indonesia

Average rainfall days in September: 13.1 days

The month with the highest number of rainy days is November (26.5 days).
The month with the least rainy days is August (9.8 days).

Average daylight in September /
Average sunshine in September
Wonogiri, 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: 9h and 6min

The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

Average sunshine days in September
Wonogiri, Indonesia

Average sunshine days in September: 11.1 days

The month with the most sunshine days is August (14.3 days).
The month with the least sunshine days is November (2.1 days).

Average UV index in September
Wonogiri, Indonesia

Average UV index in September: 7

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