IcelandCountries Iceland September
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Weather in September
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Weather in September in Iceland

Thinking about venturing to Iceland this September and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What is the weather like in Iceland in September?

September in Iceland generally has temperatures that range from cold to mild, with precipitation levels ranging from moderate to heavy.

Temperatures

During the day the temperature is cold in Jokulsarlon Glacial Lagoon at 8°C and mild in Hella at 13°C. As night falls, temperatures generally drop to 7°C in Hella and 4°C in Jokulsarlon Glacial Lagoon.

To learn more about the conditions in specific areas of Iceland, check out the map below.

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Raufarhöfn with an average of 85 mm to heavy rainfall in Jokulsarlon Glacial Lagoon with 304 mm.

Average sunshine

Reykjavík enjoys a balanced 121 hours of sunlight. Ensuring it's neither too overcast nor too sunny.

For more details on the yearly climate, visit our Iceland climate page.

Where to go in Iceland in September

Find more information for the most popular destinations in the Iceland 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 Iceland's climate page.

Popular destinations

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

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

Akureyri

In September Akureyri generally has low temperatures with maximum daytime temperatures around 9°C, minimum nighttime temperatures around 3°C and high monthly rainfall. So on average the conditions are poor that month.

Akureyri
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
<<  
13°C 
6°C 
136 hours 
96 mm 
15 days 
unpleasant 
September September
9°C 
3°C 
85 hours 
123 mm 
15 days 
poor 
October   >> October
>>  
4°C 
-2°C 
50 hours 
146 mm 
18 days 
poor 
Climate in Akureyri

Keflavík

In September Keflavík generally has low temperatures with maximum daytime temperatures around 12°C, minimum nighttime temperatures around 8°C and high monthly rainfall. So on average the conditions are poor that month.

Keflavík
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
<<  
13°C 
10°C 
154 hours 
106 mm 
17 days 
poor 
September September
12°C 
8°C 
121 hours 
149 mm 
18 days 
poor 
October   >> October
>>  
8°C 
4°C 
92 hours 
129 mm 
20 days 
poor 
Climate in Keflavík

Höfn

In September Höfn generally has low temperatures with maximum daytime temperatures around 10°C, minimum nighttime temperatures around 6°C and heavy monthly rainfall. So on average the conditions are poor that month.

Höfn
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
<<  
12°C 
8°C 
130 hours 
152 mm 
16 days 
poor 
September September
10°C 
6°C 
114 hours 
227 mm 
16 days 
poor 
October   >> October
>>  
7°C 
3°C 
78 hours 
237 mm 
17 days 
poor 
Climate in Höfn

Selfoss

In September Selfoss generally has moderate temperatures with maximum daytime temperatures around 12°C, minimum nighttime temperatures around 7°C and heavy monthly rainfall. So on average the conditions are poor that month.

Selfoss
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 
124 mm 
18 days 
unpleasant 
September September
12°C 
7°C 
121 hours 
177 mm 
18 days 
poor 
October   >> October
>>  
8°C 
3°C 
92 hours 
151 mm 
19 days 
poor 
Climate in Selfoss

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

Is September the best time to visit Iceland?

Given the typically poor weather conditions in Reykjavík, September may not be the ideal time to visit Iceland.

Generally speaking, the best visiting conditions can be found in June and July offering mostly 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 Iceland.

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.