Reykjanes Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Reykjanes, Iceland in September.

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Keflavík Grindavík Vogar Gardur

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

What to Expect in Reykjanes in September

Reykjanes, Iceland is a region in Iceland. September in Reykjanes generally has cold temperatures, with high precipitation.

Temperatures

You can expect cold maximum daytime temperatures of around 12°C (54°F) and nighttime temperatures around 8°C (46°F) in Keflavík.

For a closer look at conditions across Reykjanes, Iceland, refer to the map below.

Precipitation

In September, precipitation varies across different areas. From high rainfall in Vogar with an average of 146 mm (5.7 in) to high rainfall in Sandgerði with 152 mm (6 in). It experiences its highest rainfall in this month of the year. Come prepared by bringing an umbrella.

Average sunshine

Sunshine levels are moderate in most locations. Keflavík typically sees 121 hours of sunlight, creating comfortable conditions that aren't too bright or too dim. Looking for something sunnier? Our weather planner helps you discover destinations with more reliable sunshine.

Explore Reykjanes by month

Pick a month to see the average temperature, rainfall and sunshine in Reykjanes — and find the best time to visit. (based on Keflavík)

January5°C (41°F) February5°C (41°F) March5°C (41°F) April7°C (45°F) May9°C (48°F) June12°C (54°F) This monthJuly14°C (57°F) August13°C (55°F) September12°C (54°F) October8°C (46°F) November6°C (43°F) December5°C (41°F)
Best Time to Visit Reykjanes →

Best Places to Visit in Reykjanes in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Reykjanes.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

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).

Popular Destinations in Reykjanes

What is the weather like in September for some of the most popular destinations in Reykjanes, Iceland?

Temperature range in Reykjanes (September)

Precipitation variation in Reykjanes (September)

Keflavík

In September Keflavík generally has low temperatures with maximum daytime temperatures around 12°C (54°F), minimum nighttime temperatures around 8°C (46°F) and high monthly rainfall. So on average the conditions are poor that month.

« August
September
October »
August
September
October
Max temperature
13°C (55°F)
12°C (54°F)
8°C (46°F)
Min temperature
10°C (50°F)
8°C (46°F)
4°C (39°F)
Monthly sun hours
154 hours
121 hours
92 hours
Monthly rainfall
106 mm (4.2 in)
149 mm (5.9 in)
129 mm (5.1 in)
Monthly rainy days
17 days
18 days
20 days
Weather conditions
poor
poor
poor
Climate in Keflavík →

Grindavík

In September Grindavík generally has low temperatures with maximum daytime temperatures around 12°C (54°F), minimum nighttime temperatures around 8°C (46°F) and high monthly rainfall. So on average the conditions are poor that month.

« August
September
October »
August
September
October
Max temperature
14°C (57°F)
12°C (54°F)
9°C (48°F)
Min temperature
10°C (50°F)
8°C (46°F)
4°C (39°F)
Monthly sun hours
154 hours
121 hours
92 hours
Monthly rainfall
108 mm (4.3 in)
150 mm (5.9 in)
130 mm (5.1 in)
Monthly rainy days
18 days
18 days
21 days
Weather conditions
unpleasant
poor
poor
Climate in Grindavík →

Vogar

In September Vogar generally has low temperatures with maximum daytime temperatures around 12°C (54°F), minimum nighttime temperatures around 7°C (45°F) and high monthly rainfall. So on average the conditions are poor that month.

« August
September
October »
August
September
October
Max temperature
14°C (57°F)
12°C (54°F)
8°C (46°F)
Min temperature
9°C (48°F)
7°C (45°F)
4°C (39°F)
Monthly sun hours
154 hours
121 hours
92 hours
Monthly rainfall
107 mm (4.2 in)
146 mm (5.7 in)
125 mm (4.9 in)
Monthly rainy days
17 days
18 days
20 days
Weather conditions
unpleasant
poor
poor
Climate in Vogar →

Gardur

In September Gardur generally has low temperatures with maximum daytime temperatures around 11°C (52°F), minimum nighttime temperatures around 8°C (46°F) and high monthly rainfall. So on average the conditions are poor that month.

« August
September
October »
August
September
October
Max temperature
13°C (55°F)
11°C (52°F)
8°C (46°F)
Min temperature
10°C (50°F)
8°C (46°F)
5°C (41°F)
Monthly sun hours
154 hours
121 hours
92 hours
Monthly rainfall
107 mm (4.2 in)
152 mm (6 in)
131 mm (5.2 in)
Monthly rainy days
17 days
18 days
20 days
Weather conditions
poor
poor
poor
Climate in Gardur →

Sandgerði

In September Sandgerði generally has low temperatures with maximum daytime temperatures around 11°C (52°F), minimum nighttime temperatures around 8°C (46°F) and high monthly rainfall. So on average the conditions are poor that month.

« August
September
October »
August
September
October
Max temperature
13°C (55°F)
11°C (52°F)
8°C (46°F)
Min temperature
10°C (50°F)
8°C (46°F)
5°C (41°F)
Monthly sun hours
154 hours
121 hours
92 hours
Monthly rainfall
106 mm (4.2 in)
152 mm (6 in)
132 mm (5.2 in)
Monthly rainy days
17 days
18 days
20 days
Weather conditions
poor
poor
poor
Climate in Sandgerði →

Is your destination not in the list? Have a look at all destinations in Reykjanes, in Iceland.

Popular cities in September

Day & night temperatures, rainfall and average weather in Reykjanes in September.

City Weather Day temp Night temp Rainfall
Keflavík 12°C (54°F) 8°C (46°F) 149 mm (5.9 in)
Grindavík 12°C (54°F) 8°C (46°F) 150 mm (5.9 in)
Vogar 12°C (54°F) 7°C (45°F) 146 mm (5.7 in)
Gardur 11°C (52°F) 8°C (46°F) 152 mm (6 in)
Sandgerði 11°C (52°F) 8°C (46°F) 152 mm (6 in)
Blue Lagoon 12°C (54°F) 8°C (46°F) 149 mm (5.9 in)

Reykjanes weather in September: frequently asked questions

What is the weather like in Reykjanes, Iceland in September?

Reykjanes, Iceland typically experiences poor weather in September, part of the season. Daytime highs in Keflavík average around 12°C (54°F), and temperatures drop to about 8°C (46°F) at night.

What is the average temperature in Reykjanes, Iceland in September?

In Keflavík, the average daytime high in September is 12°C (54°F), while nighttime temperatures drop to around 8°C (46°F).

Does Reykjanes, Iceland get a lot of rain in September?

Keflavík typically receives notable rainfall in September, about 149 mm (5.9 in) on average across Reykjanes, Iceland.

Is September a Good Time to Visit Reykjanes, Iceland?

In our view, September might not be the best time to travel to Reykjanes, Iceland with often poor weather in Keflavík.

On average, the best time to visit Reykjanes, Iceland is in July with generally tolerable weather in Keflavík. On the other hand, the weather in January, February, March, April, May, August, September, October, November and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in Reykjanes.

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.

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