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Sea Temperature in Riwon in September
© Michal Tuleja
Complete information on the sea temperature range in the Sea of Japan in Riwon in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Riwon. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Water Temperature Range in Riwon in September
17°C
MINIMUN
21.5°C
AVERAGE
26°C
MAXIMUM
Historical Data of Water Temperature in September in Riwon
Water Temperature Chart for Sea of Japan in Riwon in September
Sea Temperature Table in Riwon in September Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Sep 1 | 23°C | 22°C | 21°C | 22.8°C |
| Sep 2 | 23°C | 23°C | 22°C | 23.3°C |
| Sep 3 | 23°C | 23°C | 22°C | 23.3°C |
| Sep 4 | 23°C | 22°C | 22°C | 23.0°C |
| Sep 5 | 23°C | 21°C | 22°C | 22.8°C |
| Sep 6 | 23°C | 21°C | 22°C | 22.8°C |
| Sep 7 | 22°C | 21°C | 22°C | 22.3°C |
| Sep 8 | 23°C | 21°C | 23°C | 22.8°C |
| Sep 9 | 23°C | 20°C | 23°C | 22.3°C |
| Sep 10 | 22°C | 21°C | 23°C | 22.5°C |
| Sep 11 | 22°C | 21°C | 23°C | 22.8°C |
| Sep 12 | 22°C | 21°C | 23°C | 22.5°C |
| Sep 13 | 23°C | 21°C | 23°C | 23.0°C |
| Sep 14 | 23°C | 21°C | 23°C | 22.8°C |
| Sep 15 | 21°C | 21°C | 24°C | 22.5°C |
| Sep 16 | 23°C | 20°C | 23°C | 22.5°C |
| Sep 17 | 22°C | 20°C | 23°C | 22.0°C |
| Sep 18 | 22°C | 21°C | 23°C | 22.3°C |
| Sep 19 | 21°C | 21°C | 23°C | 22.0°C |
| Sep 20 | 22°C | 20°C | 22°C | 21.8°C |
| Sep 21 | 22°C | 20°C | 22°C | 21.8°C |
| Sep 22 | 21°C | 20°C | 21°C | 21.3°C |
| Sep 23 | 21°C | 20°C | 22°C | 21.5°C |
| Sep 24 | 22°C | 20°C | 22°C | 21.5°C |
| Sep 25 | 22°C | 19°C | 22°C | 21.3°C |
| Sep 26 | 21°C | 19°C | 22°C | 21.0°C |
| Sep 27 | 21°C | 19°C | 21°C | 21.0°C |
| Sep 28 | 21°C | 20°C | 21°C | 21.0°C |
| Sep 29 | 21°C | 20°C | 19°C | 20.5°C |
Riwon Climate and Swimming Opportunities in September
26°C
Average Day Air Temperature
16°C
Average Night Air Temperature
214 mm
Precipitation Amount per Month
10 days
Number of Rainy Days
12 hrs
Daylight
per Day
6 hrs
Sunshine
per Day
8 km/h
Average Wind Speed
77%
Average
humidity
Riwon lies within in North Korea. The average daytime temperature in Riwon in September is 26°C (79°F), while the nighttime average is 16°C (61°F). There are typically 10 rainy days during the month, with a total precipitation of 214 mm (8.4 inches). The daylight duration in September in Riwon is 12 hours, with an average of 6 hours of sunshine per day. The average wind speed in September is 8 km/h (5 mph), and the humidity level is around 77%.
The water temperature in Riwon in September ranges from 20°C to 23°C (68°F to 73°F). At the beginning of the month, the average temperature is around 23°C (73°F), shifting to 23°C (73°F) by mid-September and reaching 21°C (70°F) in the last ten days. Overall, the average sea temperature in Riwon for September is 22°C (72°F). Perfect swimming weather — warm water and hot air make for an enjoyable and relaxing experience.
Frequently Asked Questions About Water Temperatures in September in Riwon
What is the sea temperature in Riwon in September?
The water temperature in the Sea of Japan in Riwon in September ranges from 20°C to 23°C (68°F to 73°F).
Is it possible to swim in the Sea of Japan in Riwon in September?
The average sea temperature in Riwon in September is 22°C (72°F), and the air temperature is 26°C (79°F), so perfect swimming weather — warm water and hot air make for an enjoyable and relaxing experience.