September weather forecast
Chongjin, North Korea

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Weather in September

In Chongjin, September acts as a gateway to autumn, distinguished by cooler temperatures and plummeting rainfall. The city undergoes transformation with the sea temperatures also beginning to cool down. The fall colors begin to emerge, providing a picturesque backdrop. Despite being the start of autumn, the daylight hours remain appreciable, allowing a decent time for sightseeing. September retains the warmth and vibrancy of summer but prepares for the incoming autumn chill.

Temperature

Transition into September in Chongjin, North Korea, subtly marks a drop in the average high-temperature, moderately moving from a warm 23.7°C (74.7°F) in August to a comfortable 19.7°C (67.5°F). September nights in Chongjin cool down to an average low-temperature of 14°C (57.2°F).

Humidity

In Chongjin, the average relative humidity in September is 72%.

Rainfall

In Chongjin, North Korea, in September, during 8.2 rainfall days, 30mm (1.18") of precipitation is typically accumulated. In Chongjin, during the entire year, the rain falls for 111.4 days and collects up to 401mm (15.79") of precipitation.

Snowfall

May through September are months without snowfall in Chongjin.

Sea temperature

In Chongjin, in September, the average water temperature is 19.6°C (67.3°F).
Note: The majority of individuals do not enjoy swimming in water that is 19.6°C (67.3°F). Breathing control becomes more challenging as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

In Chongjin, the average length of the day in September is 12h and 29min.
On the first day of September, sunrise is at 05:47 and sunset at 18:54. On the last day of the month, sunrise is at 06:17 and sunset at 18:05 KST.

Sunshine

The average sunshine in September in Chongjin is 9.8h.

UV index

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Act with care - The need to guard against sun damage is communicated. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
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Frequently asked questions

What are September temperatures in Chongjin?

The high-temperature, in September, in Chongjin, is 19.7°C (67.5°F), while the low-temperature averages to 14°C (57.2°F).

What is the average humidity in September in Chongjin?

In Chongjin, North Korea, the average relative humidity in September is 72%.

How many days does it rain in September in Chongjin?

In Chongjin, North Korea, in September, during 8.2 rainfall days, 30mm (1.18") of precipitation is typically accumulated.

When it does not snow in Chongjin?

In Chongjin, snow does not fall in May through September.

Does it snow in Chongjin in September?

In Chongjin, North Korea, in September, it doesn't snow. In October, it regularly snows.

How cold is the water in September in Chongjin?

In September, the average sea temperature is 19.6°C (67.3°F). For most, swimming in 19.6°C (67.3°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

How many hours of daylight does Chongjin have in September?

In Chongjin, North Korea, the average day length in September is 12h and 29min.

When is the sunrise / sunset in September in Chongjin?

In September, on the first day of the month, sunrise is at 05:47 and sunset at 18:54. On the last day of the month, sunrise is at 06:17 and sunset at 18:05 KST.

How long on average sun shines in September in Chongjin?

In Chongjin, the average sunshine duration in September is 9.8h.

What is the UV index reading in September in Chongjin?

The average daily maximum UV index in September in Chongjin, North Korea, is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in September
Chongjin, North Korea

Average temperature in September - Chongjin, North Korea
  • Average high temperature in September: 19.7°C

The warmest month (with the highest average high temperature) is August (23.7°C).
The month with the lowest average high temperature is January (-4.3°C).

  • Average low temperature in September: 14°C

The month with the highest average low temperature is August (18.7°C).
The coldest month (with the lowest average low temperature) is January (-9.6°C).

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Average pressure in September
Chongjin, North Korea

Average pressure in September - Chongjin, North Korea
  • Average pressure in September: 1014.6mbar

The month with the highest atmospheric pressure is January (1023.4mbar).
The month with the lowest atmospheric pressure is July (1007mbar).

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Average wind speed in September
Chongjin, North Korea

Average wind speed in September - Chongjin, North Korea
  • Average wind speed in September: 9.6km/h

The windiest month (with the highest average wind speed) is December (13.6km/h).
The calmest month (with the lowest average wind speed) is July (7.8km/h).

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Average humidity in September
Chongjin, North Korea

Average humidity in September - Chongjin, North Korea
  • Average humidity in September: 72%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is April (59%).

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Average rainfall in September
Chongjin, North Korea

Average rainfall in September - Chongjin, North Korea
  • Average rainfall in September: 30mm

The wettest month (with the highest rainfall) is August (100mm).
The driest month (with the least rainfall) is January (7mm).

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Average rainfall days in September
Chongjin, North Korea

Average rainfall days in September - Chongjin, North Korea
  • Average rainfall days in September: 8.2 days

The months with the highest number of rainy days are July and August (16.8 days).
The month with the least rainy days is December (4.6 days).

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Average snowfall in September
Chongjin, North Korea

Average snowfall in September - Chongjin, North Korea
  • Average snowfall in September: 0mm

The month with the highest snowfall is March (150mm).
The months with the least snowfall are May, June, July, August and September (0mm).

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Average snowfall days in September
Chongjin, North Korea

Average snowfall days in September - Chongjin, North Korea
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average sea temperature in September
Chongjin, North Korea

Average sea temperature in September - Chongjin, North Korea
  • Average sea temperature in September: 19.6°C

The best month for swimming (with the highest average sea temperature) is August (21.6°C).
The coldest month (with the lowest average sea temperature) is March (2.8°C).

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Average daylight in September /
Average sunshine in September
Chongjin, North Korea

Average daylight in September / Average sunshine in September - Chongjin, North Korea
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 9h and 5min

The month with the most sunshine is April (Average sunshine: 10h and 30min).
The month with the least sunshine is November (Average sunshine: 6h and 24min).

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Average sunshine days in September
Chongjin, North Korea

Average sunshine days in September - Chongjin, North Korea
  • Average sunshine days in September: 19.6 days

The month with the most sunshine days is October (24.3 days).
The month with the least sunshine days is July (11.4 days).

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Average UV index in September
Chongjin, North Korea

Average UV index in September - Chongjin, North Korea
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in September
Chongjin, North Korea

Average cloud cover in September - Chongjin, North Korea
  • Average cloud cover in September: 24

The month with the most cloud cover is July (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 19).

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Average visibility in September
Chongjin, North Korea

Average visibility in September - Chongjin, North Korea
  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, September, October, November and December (10km).
The month with the lowest visibility is July (8km).

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Chongjin, North Korea

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