Suwon
South Korea
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Suwon, South Korea

The first month of the autumn, September, is also a moderately hot month in Suwon, South Korea, with average temperature varying between 16.4°C (61.5°F) and 25.9°C (78.6°F).

Temperature

In Suwon, the average high-temperature slightly decreases, from a moderately hot 29.8°C (85.6°F) in August, to a still warm 25.9°C (78.6°F). In September, the average low-temperature is 16.4°C (61.5°F).

Humidity

The average relative humidity in Suwon is 74.5%.

Rainfall

In Suwon, during September, the rain falls for 8.7 days and regularly aggregates up to 153.9mm (6.1") of precipitation. In Suwon, during the entire year, the rain falls for 108.2 days and collects up to 1312.2mm (51.7") of precipitation.

Daylight

In Suwon, the average length of the day in September is 12.4h.

Sunshine

The average sunshine in September is 6.1h.

What is the temperature in September in Suwon?

In September, in Suwon, South Korea, the average high-temperature is 25.9°C (78.6°F), and the average low-temperature is 16.4°C (61.5°F).

What is the average humidity in September in Suwon?

In Suwon, the average relative humidity in September is 74.5%.

How many days does it rain in September in Suwon?

In September, in Suwon, the rain falls for 8.7 days. Throughout September, 153.9mm (6.1") of precipitation is accumulated.

How many hours of daylight does Suwon have in September?

In Suwon, South Korea, the average length of the day in September is 12.4h.

How many hours of sunshine does Suwon have in September?

In Suwon, South Korea, the average sunshine in September is 6.1h.
Average temperature in September - Suwon, South Korea
  • Average high temperature in September: 25.9°C

The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (2.1°C).

  • Average low temperature in September: 16.4°C

The month with the highest average low temperature is August (22.1°C).
The coldest month (with the lowest average low temperature) is January (-7.4°C).

Average humidity in September - Suwon, South Korea
  • Average humidity in September: 74.5%

The month with the highest relative humidity is July (80.1%).
The month with the lowest relative humidity is April (62.5%).

Average rainfall in September - Suwon, South Korea
  • Average rainfall in September: 153.9mm

The wettest month (with the highest rainfall) is July (351.1mm).
The driest month (with the lowest rainfall) is December (21.8mm).

Average rainfall days in September - Suwon, South Korea
  • Average rainfall days in September: 8.7 days

The month with the highest number of rainy days is July (15.4 days).
Months with the lowest number of rainy days are February and October (6.2 days).

Average daylight in September / Average sunshine in September - Suwon, South Korea
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.7h).
The month with shortest days is December (Average daylight: 9.6h).

  • Average sunshine in September: 6.1h

The month with most sunshine is April (Average sunshine: 7.2h).
The month with least sunshine is July (Average sunshine: 4.4h).