Tingvellir Weather: September
 |
Average Day Temperature: | 49.5°F |
|
Average Night Temperature: | 43.9°F |
|
Sea Water Temperature: | 50.0°F |
|
Number of Sunny Days: | 4 days |
| Sunshine Hours: | 11.4 - 14.6 hours | |
|
Number of Rainy Days: | 9 days |
| Precipitation Totals: | 4.5 in | |
| detailed information | ||
forecast
| Tingvellir |
Temperature
| Tingvellir |
Air Temperature in September, °F
The highest day temperature in September 2025 was 60°F. The lowest night temperature was 27°F. The average values for day and night temperatures during September were 49.2°F и 41.0°F respectivly.
Tingvellir Water Sea Temperature in September, °F
The average sea surface temperature in September 2025 for Tingvellir was 51.8°F. The maximum and minimum values were 49.2°F and 55.6°F respectively.
Most of the days in September are gloomy but you can also expect sunny days.
Precipitation Totals in September, in
Precipitation total in September for Tingvellir is 4.5 in. It makes september one of the most rainy months of the year.
The average wind speed in September is 12.6 mph.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Tingvellir in September is 4.6 hours.
Tingvellir on the Weather Map
| 0900 |  |
28°F | SW 9 mph |
| 1200 | |
28°F | SW 8 mph |
| 1500 |  |
26°F | SW 9 mph |
| 1800 |  |
22°F | SW 10 mph |
| 2100 | |
22°F | SW 9 mph |
| 0000 | |
20°F | SW 8 mph |
| 0300 | |
24°F | SW 10 mph |
| 0600 |  |
22°F | SW 9 mph |