Weather in September in Reykjavík
| < September > | ||
|---|---|---|
| Normal Max/ High Temperature | 11°C (52°F) | |
| Average Temperature | 7°C (45°F) | |
| Min/ Low Temperature | 6°C (43°F) | |
| Average Sea or Water Temp | 10°C(50°F) | |
| Normal Precipitation | 67mm (2.6in) | |
| Number of Wet Days (probability of rain on a day) | 19 (63%) | |
| Average Sunlight per day | 03h 25' | |
| Average Daylight per day | 13h 16' | |
| Sunny (Cloudy) Daylight Hours | 27% (73%) | |
| Sun altitude at solar noon on the 21st day. | 26.5° | |
- The average sea tempeature is 10 °C (50 °F).
- The average temperature in Reykjavík in September is a little cool at 7.4 °C (45.32 °F).
- Afternoons can be quite mild with average high temperatures reaching 11 °C (51.8 °F).
- Overnight temperatures are generally cool with an average low of 6 °C (42.8 °F).
- In September the variation/ range of daily average temperatures is 5 °C (9 °F).
- Precipitation averages for September are moderate with 66.5mm (2.6 in) recorded across 19 days.
- The blue above Reykjavík is dull having on average merely 3h 25' of brilliant solar radiation per day.
- The shortest day is 11h 39' long and the longest day is 14h 52' long with an average length of 13h 16'.
- There are approximately 9h 11' per day when the sun is occluded by cloud, haze, fog etc.
- It is sunny approximately 27.1% of daylight hours and cloudy 72.9% of daylight hours.
Weather Trend Graph for September in Reykjavík, Iceland
