28.09
mon
mon
Day

45°F
SW 7 mph
Precip.
15%
15%
Night

41°F
SW 12 mph
Precip.
27%
27%
29.09
tue
tue
Day

50°F
NW 32 mph
Precip.
82%
82%
Night

48°F
W 23 mph
Precip.
29%
29%
30.09
wed
wed
Day

48°F
W 16 mph
Precip.
15%
15%
Night

48°F
SW 12 mph
Precip.
21%
21%
01.10
thu
thu
Day

46°F
S 16 mph
Precip.
57%
57%
Night

45°F
N 11 mph
Precip.
48%
48%
02.10
fri
fri
Day

43°F
N 13 mph
Precip.
41%
41%
Night

39°F
S 6 mph
Precip.
30%
30%
03.10
sat
sat
Day

43°F
SE 2 mph
Precip.
6%
6%
Night

36°F
NW 2 mph
Precip.
23%
23%
04.10
sun
sun
Day

45°F
N 7 mph
Precip.
26%
26%
Night

48°F
N 21 mph
Precip.
78%
78%
05.10
mon
mon
Day

46°F
N 12 mph
Precip.
44%
44%
Night

39°F
NE 7 mph
Precip.
43%
43%
06.10
tue
tue
Day

41°F
NE 11 mph
Precip.
55%
55%
Night

36°F
N 3 mph
Precip.
30%
30%
07.10
wed
wed
Day

41°F
W 2 mph
Precip.
6%
6%
Night

36°F
NW 2 mph
Precip.
64%
64%
08.10
thu
thu
Day

37°F
SW 7 mph
Precip.
77%
77%
Night

37°F
SE 4 mph
Precip.
42%
42%
09.10
fri
fri
Day

37°F
E 4 mph
Precip.
18%
18%
Night

30°F
SW 8 mph
Precip.
19%
19%
10.10
sat
sat
Day

36°F
S 7 mph
Precip.
26%
26%
Night

32°F
S 8 mph
Precip.
24%
24%
11.10
sun
sun
Day

30°F
S 9 mph
Precip.
14%
14%
Night

27°F
S 6 mph
Precip.
20%
20%
sea water
temperature
temperature
| Tingvellir |
monthly
weather
weather
| Tingvellir |
current
weather
weather
| Tingvellir |
7 days
forecast
forecast
| Tingvellir |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 51.0°F. The highest and lowest sea temperatures during the month were 52.7°F and 49.3°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 46.7°F. The highest and lowest sea temperatures during the month were 49.1°F and 45.0°F.
Air temperature in Tingvellir, °F
Precipitation total in Tingvellir, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Tingvellir
Tingvellir on a weather map
24 Hours Forecast
Tingvellir
Local time: 17:34
September 28, monday
1800

45°F
NE
1 mph
1 mph
2100

43°F
SW
9 mph
9 mph
September 29, tuesday
0000

41°F
SW
12 mph
12 mph
0300

43°F
W
16 mph
16 mph
0600

43°F
W
20 mph
20 mph
0900

45°F
W
26 mph
26 mph
1200

50°F
NW
32 mph
32 mph
1500

50°F
NW
9 mph
9 mph

























