Iceland Airwaves Festival
On its way to its 20th edition in 2019 Iceland Airwaves is a festival you need to visit once in your life. Everything from lagoons and bookstores to bars and concert halls is filled with music.
Holt in September sees low temperatures, with highs around 11°C (52°F) and overnight lows of 6°C (43°F). With the rainy season in full effect, expect around 236 mm (9.3 in) of rainfall and regular showers throughout the month.
If you're interested in exploring other destinations, our weather planner can help you discover additional travel options worldwide.
Pick a month to see the average temperature, rainfall and sunshine in Holt - and find the best time to visit.
Find out more about the weather in Iceland and which places have the best travel conditions in this month. See all of Iceland in September →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
The weather can be unpredictable in September, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Also bring a poncho, it will rain a lot! Waterproof everything you can.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Holt climate overview or explore weather in Iceland.
Where to go in September - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
Iceland Airwaves Festival
On its way to its 20th edition in 2019 Iceland Airwaves is a festival you need to visit once in your life. Everything from lagoons and bookstores to bars and concert halls is filled with music.
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