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Sea Temperature in Grindavik in September
© Aleksander Pianko
Complete information on the sea temperature range in the Atlantic Ocean in Grindavik in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Grindavik. 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 Grindavik in September
7°C
MINIMUN
10°C
AVERAGE
13°C
MAXIMUM
Historical Data of Water Temperature in September in Grindavik
Water Temperature Chart for Atlantic Ocean in Grindavik in September
Sea Temperature Table in Grindavik in September Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Sep 1 | 11°C | 11°C | 8°C | 10.0°C |
| Sep 2 | 12°C | 11°C | 10°C | 10.8°C |
| Sep 3 | 12°C | 11°C | 7°C | 10.0°C |
| Sep 4 | 12°C | 11°C | 11°C | 11.0°C |
| Sep 5 | 12°C | 11°C | 11°C | 11.0°C |
| Sep 6 | 12°C | 11°C | 8°C | 10.3°C |
| Sep 7 | 12°C | 11°C | 8°C | 10.3°C |
| Sep 8 | 12°C | 11°C | 10°C | 10.8°C |
| Sep 9 | 12°C | 10°C | 9°C | 10.3°C |
| Sep 10 | 11°C | 11°C | 8°C | 10.0°C |
| Sep 11 | 11°C | 10°C | 9°C | 10.0°C |
| Sep 12 | 12°C | 10°C | 7°C | 9.8°C |
| Sep 13 | 11°C | 10°C | 11°C | 10.5°C |
| Sep 14 | 11°C | 10°C | 11°C | 10.5°C |
| Sep 15 | 11°C | 11°C | 11°C | 10.5°C |
| Sep 16 | 11°C | 10°C | 11°C | 10.3°C |
| Sep 17 | 11°C | 10°C | 11°C | 10.3°C |
| Sep 18 | 10°C | 10°C | 11°C | 10.0°C |
| Sep 19 | 11°C | 10°C | 11°C | 10.3°C |
| Sep 20 | 10°C | 10°C | 11°C | 10.0°C |
| Sep 21 | 10°C | 10°C | 11°C | 10.0°C |
| Sep 22 | 10°C | 10°C | 11°C | 10.0°C |
| Sep 23 | 9°C | 10°C | 11°C | 9.8°C |
| Sep 24 | 10°C | 9°C | 11°C | 9.8°C |
| Sep 25 | 10°C | 9°C | 11°C | 9.8°C |
| Sep 26 | 10°C | 9°C | 11°C | 9.8°C |
| Sep 27 | 9°C | 9°C | 11°C | 9.5°C |
| Sep 28 | 9°C | 9°C | 11°C | 9.5°C |
| Sep 29 | 9°C | 9°C | 11°C | 9.5°C |
Grindavik Climate and Swimming Opportunities in September
10°C
Average Day Air Temperature
6°C
Average Night Air Temperature
73 mm
Precipitation Amount per Month
11 days
Number of Rainy Days
13 hrs
Daylight
per Day
4 hrs
Sunshine
per Day
24 km/h
Average Wind Speed
81%
Average
humidity
Grindavik lies within in Iceland. The average daytime temperature in Grindavik in September is 10°C (50°F), while the nighttime average is 6°C (42°F). There are typically 11 rainy days during the month, with a total precipitation of 73 mm (2.9 inches). The daylight duration in September in Grindavik is 13 hours, with an average of 4 hours of sunshine per day. The average wind speed in September is 24 km/h (15 mph), and the humidity level is around 81%.
The water temperature in Grindavik in September ranges from 9°C to 11°C (48°F to 52°F). At the beginning of the month, the average temperature is around 11°C (52°F), shifting to 10°C (50°F) by mid-September and reaching 10°C (50°F) in the last ten days. Overall, the average sea temperature in Grindavik for September is 10°C (50°F). The water is frigid, but with warmer air, it might be tolerable for a quick swim. Wetsuits are recommended.
Sea Temperature in September in Nearby Cities
Frequently Asked Questions About Water Temperatures in September in Grindavik
What is the sea temperature in Grindavik in September?
The water temperature in the Atlantic Ocean in Grindavik in September ranges from 9°C to 11°C (48°F to 52°F).
Is it possible to swim in the Atlantic Ocean in Grindavik in September?
The average sea temperature in Grindavik in September is 10°C (50°F), and the air temperature is 10°C (50°F), so the water is frigid, but with warmer air, it might be tolerable for a quick swim. Wetsuits are recommended.