Grindavík weather in September (Reykjanes, Iceland)

Thinking of visiting Grindavík in September? Check the weather first! See what weather conditions to anticipate this month with our guide.

Temperatures

In September, Grindavík typically experiences low temperatures and high rainfall. As the day progresses, temperatures can peak at 12°C. Luckily at nightfall, they typically drop to 8°C.

Precipitation

Grindavík in September usually receives high rainfall, averaging around 150 mm for the month. Being the wettest month, having an umbrella on standby can help you avoid getting caught in the rain. Climate statistics over the past 30 years suggest around 18 days of rain.

Average sunshine

The area enjoys a moderate level of sunlight, with around 121 hours. It's a good balance between sunny and cloudy days.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Grindavík. July typically offers the most optimal weather. In contrast, January, February, March, April, May, September, October, November and December tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Grindavík climate page with graphs.

 

Grindavík, monthly averages in September

Min Temperature 8°C  

Max Temperature 12°C  

Chance of Rain 61%  

Precipitation 150 mm  

Rainy days 18 days  

Humidity 79% *  

Sunshine 121 hours *  

Percentage Sunshine 30% *  

Data from: Reykjavík, Iceland (41 KM, 25 Miles).

Where to go in Iceland in September

Find out more about the weather in Iceland and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay.

What To Do

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

Interested in more climate information?

This site provides you with all the information you need about the climate in Grindavík.

Our site offers climate and forecast data for every country in the world. Are you going to Iceland? On this website you can find historical weather averages for many cities in Iceland. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.