Fjall Weather in September

Fjall in September sees moderate temperatures, with highs around 12°C (54°F) and overnight lows of 6°C (43°F). Rainfall is fairly high at around 180 mm (7.1 in) on average, so pack waterproofs just in case.

Rainfall in Fjall in September

Historically, approximately 17 days this month are expected to have rain, averaging 180 mm (7.1 in). Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Fjall in September

Expect highs of 12°C (54°F) in Fjall in September, with nights dropping to around 6°C (43°F). Conditions are often most pleasant around the middle of the day. Nights fall to 6°C (43°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Fjall in September

The area enjoys a balanced 121 hours of sunlight, ensuring it's neither too overcast nor too sunny.

September in Fjall can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

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For a detailed overview over the year and the best time to visit Iceland, check out our Fjall's climate page.

Fjall Temperature in September

Min Temperature 6°C (43°F)  

Max Temperature 12°C (54°F)  

Chance of Rain 57%  

Precipitation 180 mm (7.1 in)  

Rainy days 17 days  

Humidity 79% *  

Sunshine 121 hours *  

Percentage Sunshine 30% *  

* Data from: Reykjavík, Iceland (64 KM, 40 Miles).

What to Wear in Fjall in September

The weather can swing between comfortable and chilly in September, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. It's going to pour! Pack a good poncho and prepare for very wet conditions. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Fjall in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

5/10

Walking

5/10

Camping

3/10

Outdoor sports

5/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Iceland, check out our Fjall's climate page.

More climate data for Fjall

Temperature Rainfall Sunshine Humidity

See the full Fjall climate overview or explore weather in Iceland.