September weather forecast
Geoje, South Korea

A windmill placed on a high hill in Geoje Island, South Korea
A windmill placed on a high hill in Geoje Island, South Korea

September

Weather in September

September in Geoje showcases the onset of the mild and pleasant autumn season, shedding the intense heat and humidity of August. Complementing the ongoing transformation in climate, rainfall reduces to 201mm (7.91"). The significant reduction in temperature provides a refreshing reprieve from the sweltering summer heat. Correspondingly, humidity descends marginally, averaging at 70.9%. The shrinking daylight hours to 12.4 per day make this month ideal for outdoor leisure activities.

Temperature

September ushers in a minor alteration in Geoje's climate, with the average high-temperature moving from August's 29.4°C (84.9°F) to a still moderately hot 26.4°C (79.5°F). During the month of September, the nighttime temperature falls to an average of 18.1°C (64.6°F).

Humidity

The average relative humidity in September is 70.9%.

Rainfall

In Geoje, in September, it is raining for 9.2 days, with typically 201mm (7.91") of accumulated precipitation. Throughout the year, there are 96.8 rainfall days, and 2007mm (79.02") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 24min.
On the first day of September in Geoje, sunrise is at 05:58 and sunset at 18:52. On the last day of the month, sunrise is at 06:19 and sunset at 18:11 KST.

Sunshine

The average sunshine in September is 5.8h.

Frequently asked questions

What are September temperatures?
In September, the average high-temperature and low-temperature are 26.4°C (79.5°F) and 18.1°C (64.6°F) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in August is computed to be 35°C (95°F).
What is the average humidity in September?
The average relative humidity in September in Geoje is 70.9%.
How much does it rain in September?
In September, in Geoje, the rain falls for 9.2 days. Throughout September, 201mm (7.91") of precipitation is accumulated.
How many hours of daylight does Geoje have in September?
The average day length in September is 12h and 24min.
When is the sunrise / sunset in September?
On the first day of September, sunrise is at 05:58 and sunset at 18:52. On the last day of the month, sunrise is at 06:19 and sunset at 18:11 KST.
How many hours of sunshine does Geoje have in September?
The average sunshine duration in September in Geoje, South Korea, is 5.8h.
Average high temperature
Average low temperature
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average temperature in September
Geoje, South Korea
  • Average high temperature in September: 26.4°C

The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (7.3°C).

  • Average low temperature in September: 18.1°C

The month with the highest average low temperature is August (22.4°C).
The coldest month (with the lowest average low temperature) is January (-1.6°C).

Average humidity in September
Geoje, South Korea
  • Average humidity in September: 70.9%

The month with the highest relative humidity is July (78.1%).
The month with the lowest relative humidity is February (53.4%).

Average rainfall in September
Geoje, South Korea
  • Average rainfall in September: 200.7mm

The wettest month (with the highest rainfall) is July (426.4mm).
The driest month (with the least rainfall) is December (29.7mm).

Average rainfall days in September
Geoje, South Korea
  • Average rainfall days in September: 9.2 days

The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is December (3.8 days).

Average daylight in September /
Average sunshine in September
Geoje, South Korea
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 5h and 5min

The month with the most sunshine is May (Average sunshine: 7h and 30min).
The month with the least sunshine is July (Average sunshine: 4h and 48min).

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