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IcelandIceland Capital Region
Capital Region Iceland
Weather in September
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Weather in September in Capital Region

Are you planning a trip a to Capital Region in September and wondering what kind of weather to expect? This page has all the details you need.

What is the weather like in Capital Region in September?

Capital Region is a region in Iceland. September in Capital Region generally has mild temperatures, with high precipitation.

Temperatures

You can expect mild maximum daytime temperatures of around 12°C and nighttime temperatures around 6°C in Reykjavík. To learn more about the conditions in specific areas of Capital Region in September, check out the map below.

To explore the conditions in Capital Region in more detail, check the map below.

Precipitation

In September, precipitation varies across different areas. From high rainfall in Álftanes with an average of 143 mm to high rainfall in Mosfellsbær with 149 mm.

Average sunshine

Most cities enjoy a balanced amount of sunshine, with around 121 hours of sunlight anticipated in Reykjavík. This ensures the days are neither too dim nor excessively sunny.

For a more detailed look at Capital Region's conditions throughout the year, check out our Capital Region climate page.

Where to go in Capital Region in September

Find more information for the most popular destinations in the Capital Region on the map below. Click on a destination dot for more details.

Weather conditions Weather
Temperatures
Precipitation
Map not visible? Whoops sorry! Please refresh the page.
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).

Select a Month of Interest

Check the conditions for any month of the year.

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

Popular destinations

What is the weather like in September for the 5 most popular destinations in Capital Region?

Reykjavík

In September Reykjavík generally has moderate temperatures with maximum daytime temperatures around 12°C, minimum nighttime temperatures around 6°C and high monthly rainfall. So on average the conditions are poor that month.

Reykjavík
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
15°C 
9°C 
154 hours 
109 mm 
18 days 
unpleasant 
September September
12°C 
6°C 
121 hours 
145 mm 
18 days 
poor 
October   >> October
>>  
8°C 
2°C 
92 hours 
122 mm 
19 days 
poor 
Climate in Reykjavík

Kópavogur

In September Kópavogur generally has moderate temperatures with maximum daytime temperatures around 12°C, minimum nighttime temperatures around 6°C and high monthly rainfall. So on average the conditions are poor that month.

Kópavogur
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
15°C 
9°C 
154 hours 
111 mm 
18 days 
unpleasant 
September September
12°C 
6°C 
121 hours 
146 mm 
18 days 
poor 
October   >> October
>>  
8°C 
2°C 
92 hours 
123 mm 
20 days 
poor 
Climate in Kópavogur

Hafnarfjördur

In September Hafnarfjördur generally has moderate temperatures with maximum daytime temperatures around 12°C, minimum nighttime temperatures around 6°C and high monthly rainfall. So on average the conditions are poor that month.

Hafnarfjördur
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
15°C 
9°C 
154 hours 
111 mm 
18 days 
unpleasant 
September September
12°C 
6°C 
121 hours 
146 mm 
18 days 
poor 
October   >> October
>>  
8°C 
3°C 
92 hours 
123 mm 
20 days 
poor 
Climate in Hafnarfjördur

Mosfellsbær

In September Mosfellsbær generally has moderate temperatures with maximum daytime temperatures around 12°C, minimum nighttime temperatures around 6°C and high monthly rainfall. So on average the conditions are poor that month.

Mosfellsbær
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
15°C 
9°C 
154 hours 
112 mm 
18 days 
unpleasant 
September September
12°C 
6°C 
121 hours 
149 mm 
18 days 
poor 
October   >> October
>>  
8°C 
2°C 
92 hours 
125 mm 
19 days 
poor 
Climate in Mosfellsbær

Garðabær

In September Garðabær generally has moderate temperatures with maximum daytime temperatures around 12°C, minimum nighttime temperatures around 6°C and high monthly rainfall. So on average the conditions are poor that month.

Garðabær
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
15°C 
9°C 
154 hours 
111 mm 
18 days 
unpleasant 
September September
12°C 
6°C 
121 hours 
147 mm 
18 days 
poor 
October   >> October
>>  
8°C 
3°C 
92 hours 
123 mm 
20 days 
poor 
Climate in Garðabær

Is your destination not in the list? Have a look at other destinations in Capital Region, in Iceland.

Is September the best time to visit Capital Region?

In our view, September might not be the best time to travel to Capital Region with often poor weather in Reykjavík.

On average, the best time to visit Capital Region is in June and July with generally tolerable weather in Reykjavík. The weather in January, February, March, April, September, October, November and December, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Capital Region.

Weather and climate has detailed information for every country in the world. Are you going to Iceland? Get detailed 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.