Oslo

Akershus Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Akershus, Norway in September.

Planning a trip to Akershus, Norway this September? Here's what you need to know about the weather:

What to Expect in Akershus in September

Akershus, Norway is a region in Norway. September in Akershus generally has mild temperatures, with moderate precipitation.

Temperatures

You can expect mild maximum daytime temperatures of around 16°C (61°F) and nighttime temperatures around 7°C (45°F) in Oslo.

To explore the conditions in Akershus, Norway in more detail, check the map below.

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Løken with an average of 81 mm (3.2 in) to moderate rainfall in Asker with 96 mm (3.8 in).

Average sunshine

Sunshine levels are moderate in most locations. Oslo typically sees 146 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 Akershus by month

Best Places to Visit in Akershus in September

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

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 Akershus

What is the weather like in September for some of the most popular destinations in Akershus, Norway?

Temperature range in Akershus (September)

Precipitation variation in Akershus (September)

Oslo

In September Oslo generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 7°C (45°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
21°C (70°F)
16°C (61°F)
9°C (48°F)
Min temperature
11°C (52°F)
7°C (45°F)
2°C (36°F)
Monthly sun hours
209 hours
146 hours
87 hours
Monthly rainfall
112 mm (4.4 in)
89 mm (3.5 in)
91 mm (3.6 in)
Monthly rainy days
16 days
16 days
17 days
Weather conditions

Gardermoen

In September Gardermoen generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 7°C (45°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
21°C (70°F)
16°C (61°F)
9°C (48°F)
Min temperature
11°C (52°F)
7°C (45°F)
2°C (36°F)
Monthly sun hours
209 hours
146 hours
87 hours
Monthly rainfall
112 mm (4.4 in)
88 mm (3.5 in)
91 mm (3.6 in)
Monthly rainy days
16 days
16 days
17 days
Weather conditions

Drøbak

In September Drøbak generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 9°C (48°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
22°C (72°F)
17°C (63°F)
11°C (52°F)
Min temperature
13°C (55°F)
9°C (48°F)
4°C (39°F)
Monthly sun hours
210 hours
149 hours
85 hours
Monthly rainfall
96 mm (3.8 in)
91 mm (3.6 in)
94 mm (3.7 in)
Monthly rainy days
16 days
16 days
17 days
Weather conditions

Fornebu

In September Fornebu generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 8°C (46°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
21°C (70°F)
17°C (63°F)
10°C (50°F)
Min temperature
12°C (54°F)
8°C (46°F)
4°C (39°F)
Monthly sun hours
210 hours
149 hours
85 hours
Monthly rainfall
110 mm (4.3 in)
95 mm (3.7 in)
97 mm (3.8 in)
Monthly rainy days
17 days
16 days
17 days
Weather conditions

Asker

In September Asker generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 9°C (48°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
21°C (70°F)
17°C (63°F)
10°C (50°F)
Min temperature
12°C (54°F)
9°C (48°F)
4°C (39°F)
Monthly sun hours
210 hours
149 hours
85 hours
Monthly rainfall
107 mm (4.2 in)
96 mm (3.8 in)
98 mm (3.9 in)
Monthly rainy days
17 days
16 days
17 days
Weather conditions

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

Popular cities in September

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

City Weather Day temp Night temp Rainfall
Oslo 16°C (61°F) 7°C (45°F) 89 mm (3.5 in)
Gardermoen 16°C (61°F) 7°C (45°F) 88 mm (3.5 in)
Drøbak 17°C (63°F) 9°C (48°F) 91 mm (3.6 in)
Fornebu 17°C (63°F) 8°C (46°F) 95 mm (3.7 in)
Asker 17°C (63°F) 9°C (48°F) 96 mm (3.8 in)
Hurdal 16°C (61°F) 7°C (45°F) 90 mm (3.5 in)

Akershus weather in September: frequently asked questions

What is the weather like in Akershus, Norway in September?

Akershus, Norway typically experiences tolerable weather in September, part of the season. Daytime highs in Oslo average around 16°C (61°F), and temperatures drop to about 7°C (45°F) at night.

What is the average temperature in Akershus, Norway in September?

Oslo averages a daytime maximum of 16°C (61°F) in September, with overnight lows close to 7°C (45°F).

Does Akershus, Norway get a lot of rain in September?

Rain is generally moderate to light in Akershus, Norway during September, with Oslo averaging close to 89 mm (3.5 in).

Is September a Good Time to Visit Akershus, Norway?

In our opinion, September is a good time to visit Akershus, Norway with overall tolerable weather in Oslo. It's worth noting that weather conditions might differ depending on the location you visit.

Generally speaking, the best visiting conditions can be found in June, July and August offering mostly pleasant weather in Oslo. On the other hand, the months of January, February, March, April, October, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Akershus.

Weather and climate has detailed information for every country in the world. Are you going to Norway? Get detailed historical weather averages for many cities in Norway.

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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