Gullfoss rainbow in September 2027
Short answer: On 15 September 2027: Best rainbow from Lower path at the edge of the falls, 10:35–19:25 (strongest around 18:05), if the sun is out. Every day of September is in the table. Water level in September: medium.
Gullfoss drops in two steps into a deep canyon, and its spray rises out of the gorge in front of the viewing paths. Rainbows appear down in the canyon when the sun is behind you.
| Date | Upper viewpoint | Lower path |
|---|---|---|
| Wed 1 Sep | 10:55–20:15 | 10:45–20:15 |
| Thu 2 Sep | 10:55–20:10 | 10:45–20:10 |
| Fri 3 Sep | 10:55–20:10 | 10:45–20:10 |
| Sat 4 Sep | 10:55–20:05 | 10:40–20:05 |
| Sun 5 Sep | 10:55–20:00 | 10:40–20:00 |
| Mon 6 Sep | 10:55–20:00 | 10:40–20:00 |
| Tue 7 Sep | 10:55–19:55 | 10:40–19:55 |
| Wed 8 Sep | 10:55–19:50 | 10:40–19:50 |
| Thu 9 Sep | 10:50–19:45 | 10:40–19:45 |
| Fri 10 Sep | 10:50–19:45 | 10:35–19:45 |
| Sat 11 Sep | 10:50–19:40 | 10:35–19:40 |
| Sun 12 Sep | 10:50–19:35 | 10:35–19:35 |
| Mon 13 Sep | 10:50–19:35 | 10:35–19:35 |
| Tue 14 Sep | 10:50–19:30 | 10:35–19:30 |
| Wed 15 Sep | 10:50–19:25 | 10:35–19:25 |
| Thu 16 Sep | 10:50–19:20 | 10:35–19:20 |
| Fri 17 Sep | 10:50–19:20 | 10:35–19:20 |
| Sat 18 Sep | 10:50–19:15 | 10:30–19:15 |
| Sun 19 Sep | 10:45–19:10 | 10:30–19:10 |
| Mon 20 Sep | 10:45–19:10 | 10:30–19:10 |
| Tue 21 Sep | 10:45–19:05 | 10:30–19:05 |
| Wed 22 Sep | 10:45–19:00 | 10:30–19:00 |
| Thu 23 Sep | 10:45–18:55 | 10:30–18:55 |
| Fri 24 Sep | 10:45–18:55 | 10:30–18:55 |
| Sat 25 Sep | 10:45–18:50 | 10:30–18:50 |
| Sun 26 Sep | 10:45–18:45 | 10:25–18:45 |
| Mon 27 Sep | 10:45–18:45 | 10:25–18:45 |
| Tue 28 Sep | 10:45–18:40 | 10:25–18:40 |
| Wed 29 Sep | 10:45–18:35 | 10:25–18:35 |
| Thu 30 Sep | 10:45–18:30 | 10:25–18:30 |
Hour by hour for your date Gullfoss tours
Questions
What time is the rainbow at Gullfoss in September 2027?
On 15 September 2027: Best rainbow from Lower path at the edge of the falls, 10:35–19:25 (strongest around 18:05), if the sun is out. Every day of September is in the table. Water level in September: medium.