Østfold Weather in September

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

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

What to Expect in Østfold in September

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

Temperatures

You can expect mild maximum daytime temperatures of around 18°C (64°F) and nighttime temperatures around 9°C (48°F) in Moss.

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

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Vortungen with an average of 79 mm (3.1 in) to moderate rainfall in Lervik with 97 mm (3.8 in).

Average sunshine

Sunshine is moderately available across various locations. In Moss, you can expect around 149 hours of sunlight in September, which gives a pleasant combination of sun and shade. For those who want maximum sunshine, our weather planner can point you toward the sunniest places on Earth.

Explore Østfold by month

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

Best Places to Visit in Østfold in September

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

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 Østfold

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

Temperature range in Østfold (September)

Precipitation variation in Østfold (September)

Moss

In September Moss generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 9°C (48°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
22°C (72°F)
18°C (64°F)
12°C (54°F)
Min temperature
13°C (55°F)
9°C (48°F)
5°C (41°F)
Monthly sun hours
210 hours
149 hours
85 hours
Monthly rainfall
89 mm (3.5 in)
93 mm (3.7 in)
97 mm (3.8 in)
Monthly rainy days
16 days
16 days
17 days
Weather conditions

Halden

In September Halden 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)
11°C (52°F)
Min temperature
12°C (54°F)
9°C (48°F)
4°C (39°F)
Monthly rainfall
99 mm (3.9 in)
87 mm (3.4 in)
88 mm (3.5 in)
Monthly rainy days
16 days
16 days
18 days
Weather conditions

Fredrikstad

In September Fredrikstad generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
22°C (72°F)
18°C (64°F)
12°C (54°F)
Min temperature
13°C (55°F)
10°C (50°F)
5°C (41°F)
Monthly sun hours
210 hours
149 hours
85 hours
Monthly rainfall
91 mm (3.6 in)
93 mm (3.7 in)
97 mm (3.8 in)
Monthly rainy days
15 days
16 days
17 days
Weather conditions

Vortungen

In September Vortungen 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
11°C (52°F)
8°C (46°F)
3°C (37°F)
Monthly sun hours
209 hours
146 hours
87 hours
Monthly rainfall
102 mm (4 in)
79 mm (3.1 in)
79 mm (3.1 in)
Monthly rainy days
17 days
17 days
17 days
Weather conditions

Gressvik

In September Gressvik generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
21°C (70°F)
18°C (64°F)
12°C (54°F)
Min temperature
14°C (57°F)
10°C (50°F)
5°C (41°F)
Monthly sun hours
210 hours
149 hours
85 hours
Monthly rainfall
91 mm (3.6 in)
94 mm (3.7 in)
99 mm (3.9 in)
Monthly rainy days
15 days
16 days
17 days
Weather conditions

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

Popular cities in September

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

City Weather Day temp Night temp Rainfall
Moss 18°C (64°F) 9°C (48°F) 93 mm (3.7 in)
Halden 17°C (63°F) 9°C (48°F) 87 mm (3.4 in)
Fredrikstad 18°C (64°F) 10°C (50°F) 93 mm (3.7 in)
Vortungen 17°C (63°F) 8°C (46°F) 79 mm (3.1 in)
Gressvik 18°C (64°F) 10°C (50°F) 94 mm (3.7 in)
Sarpsborg 18°C (64°F) 9°C (48°F) 88 mm (3.5 in)

Østfold weather in September: frequently asked questions

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

September in Østfold, Norway brings pleasant weather. In Moss, daytime temperatures are typically around 18°C (64°F) and nighttime lows hover near 9°C (48°F).

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

Average temperatures in Østfold, Norway during September range from a nighttime low near 9°C (48°F) to a daytime high around 18°C (64°F) in Moss.

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

Not particularly. Moss averages just 93 mm (3.7 in) of rain in September, making it a mostly dry month for Østfold, Norway.

Is September a Good Time to Visit Østfold, Norway?

Given the typically pleasant weather conditions in Moss, September might be a good time to visit Østfold, Norway. However, the weather conditions may vary depending on your destination.

On average, the best time to visit Østfold, Norway is in June, July and August with generally perfect weather in Moss. The weather in January, February, March, 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 Østfold.

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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.