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IcelandThe weather in September in Seyðisfjörður
It's cool in September in Seyðisfjörður with an average temperature of 13°C. Temperatures this month range from a low of 10°C to a high of 16°C. At night, you can expect temperatures between 3°C and 8°C.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Seyðisfjörður, Iceland. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 24°C in 2017, Seyðisfjörður reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 3°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of -3°C to a highest value of 13°C.
Precipitation and snowfall
In September, there is an average of 99 mm of precipitation, spread over 13 days. Of the total precipitation, about 2,3 cm falls as snow in September. The wind speed is around 5 Bft, mostly coming from the South.
Daily weather in September for Seyðisfjörður
Click on any day in September to get detailed info about the usual weather on that day in Seyðisfjörður. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Seyðisfjörður | New York | |
|---|---|---|
| Average temperature | 13°C | 27°C |
| Max. temperature | 16°C | 31°C |
| Min. temperature | 3°C | -5°C |
| Total precipitation | 99 mm | 57 mm |
| Rainy days | 13 days | 9 days |
| Total snowfall | 2,3 cm | 0 cm |
| Snowy days | 1 day | 0 days |
Start of September
The month of September starts in Seyðisfjörður with cool temps, averaging around 15°C during the day and nights around 7°C.
Mid September
By mid-September, daytime temps drop to around 13°C, with nights around 6°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of September
By the end of September, the average daytime temperature in Seyðisfjörður is around 11°C, while nighttime temps are about 4°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
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UV index
The UV index is a maximum of 4 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Check out the climate of Seyðisfjörður for all months and discover the best travel time
Curious about the weather in other parts of Iceland? Check out the climate and weather for spots like Reykjavík, Vík, or explore other destinations in Iceland.
Temperature charts
These charts show the average temperatures in September in Seyðisfjörður, Iceland. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Seyðisfjörður
Temperature in September in Seyðisfjörður over the years
Precipitation charts
These charts show the average amount of precipitation in September in Seyðisfjörður, Iceland. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Seyðisfjörður
Total precipitation in September in Seyðisfjörður over the years
Daily Snowfall in September in Seyðisfjörður
Snowfall in September in Seyðisfjörður per year
Daily UV index in September in Seyðisfjörður
This chart shows the average daily UV index in September in Seyðisfjörður, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in September in Seyðisfjörður
Have you been to Seyðisfjörður in September?
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Average weather in Seyðisfjörður by month
Click on a month below to see detailed weather info for Seyðisfjörður. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.