September weather forecast
Skaftafell, Iceland

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Weather in September

September ushers in Autumn, with a noticeable decrease in temperatures in Skaftafell. Monthly lows return to a cooler 4.4°C (39.9°F) from the warmer 6.6°C (43.9°F) recorded in August, and highs hover around 7.9°C (46.2°F). Rainfall measures increase, and humidity levels begin to rise, making the air feel cooler. As the leaves change color, the landscapes offer scenic beauty unmatched to any other time of the year.

Temperature

September commences with an average high-temperature of a frosty 7.9°C (46.2°F), showing little deviation from August's 10.4°C (50.7°F). September nights reflect a consistent temperature dip to a cold 4.4°C (39.9°F), a slight descent from daytime peaks.

Humidity

With an average relative humidity of 83%, September is the most humid month.

Rainfall

In Skaftafell, during September, the rain falls for 20.1 days and regularly aggregates up to 102mm (4.02") of precipitation. In Skaftafell, Iceland, during the entire year, the rain falls for 187.1 days and collects up to 1193mm (46.97") of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Skaftafell, the average length of the day in September is 13h and 0min.
On the first day of the month, sunrise is at 05:52 and sunset at 20:22. On the last day of September, sunrise is at 07:15 and sunset at 18:39 GMT.

Sunshine

The average sunshine in September in Skaftafell is 5.4h.

UV index

In Skaftafell, the average daily maximum UV index in September is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.
Note: The daily high UV index of 2 during September translates into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
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Frequently asked questions

What is the temperature in September in Skaftafell?

September temperatures in Skaftafell, Iceland, vary between a high-temperature of 7.9°C (46.2°F) and a low-temperature of 4.4°C (39.9°F).

What is the most humid month in Skaftafell?

September is the most humid month, with an average relative humidity of 83%.

What is the average humidity in September in Skaftafell?

In September, the average relative humidity in Skaftafell is 83%.

How much does it rain in Skaftafell in September?

In Skaftafell, in September, it is raining for 20.1 days, with typically 102mm (4.02") of accumulated precipitation.

When it does not snow in Skaftafell?

June through September are months without snowfall in Skaftafell.

Does it snow in Skaftafell in September?

In Skaftafell, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Skaftafell?

In September, the average day length in Skaftafell, Iceland, is 13h and 0min.

When is the sunrise / sunset in September in Skaftafell?

In September, on the first day of the month, sunrise is at 05:52 and sunset at 20:22. On the last day of the month, in Skaftafell, sunrise is at 07:15 and sunset at 18:39 GMT.

How many hours of sunshine does Skaftafell have in September?

In September, the average sunshine duration in Skaftafell, Iceland, is 5.4h.

What is the UV index intensity in September in Skaftafell?

In Skaftafell, the average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a low health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Skaftafell, Iceland

Average temperature in September - Skaftafell, Iceland
  • Average high temperature in September: 7.9°C

The warmest month (with the highest average high temperature) is July (10.6°C).
The month with the lowest average high temperature is December (0.6°C).

  • Average low temperature in September: 4.4°C

The month with the highest average low temperature is July (7.2°C).
The coldest month (with the lowest average low temperature) is December (-3.6°C).

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Average pressure in September
Skaftafell, Iceland

Average pressure in September - Skaftafell, Iceland
  • Average pressure in September: 1003.5mbar

The month with the highest atmospheric pressure is June (1014mbar).
The month with the lowest atmospheric pressure is January (997.7mbar).

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Average wind speed in September
Skaftafell, Iceland

Average wind speed in September - Skaftafell, Iceland
  • Average wind speed in September: 17.7km/h

The windiest month (with the highest average wind speed) is February (22.2km/h).
The calmest month (with the lowest average wind speed) is July (12.4km/h).

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Average humidity in September
Skaftafell, Iceland

Average humidity in September - Skaftafell, Iceland
  • Average humidity in September: 83%

The month with the highest relative humidity is September (83%).
The months with the lowest relative humidity are May and December (79%).

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Average rainfall in September
Skaftafell, Iceland

Average rainfall in September - Skaftafell, Iceland
  • Average rainfall in September: 102mm

The wettest month (with the highest rainfall) is December (135mm).
The driest month (with the least rainfall) is June (46mm).

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Average rainfall days in September
Skaftafell, Iceland

Average rainfall days in September - Skaftafell, Iceland
  • Average rainfall days in September: 20.1 days

The month with the highest number of rainy days is September (20.1 days).
The month with the least rainy days is February (12.5 days).

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Average snowfall in September
Skaftafell, Iceland

Average snowfall in September - Skaftafell, Iceland
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (209mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in September
Skaftafell, Iceland

Average snowfall days in September - Skaftafell, Iceland
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is March (14.1 days).
The months with the least snowfall days are July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Skaftafell, Iceland

Average daylight in September / Average sunshine in September - Skaftafell, Iceland
  • Average daylight in September: 13h and 0min

The month with the longest days is June (Average daylight: 20h and 48min).
The month with the shortest days is December (Average daylight: 4h and 24min).

  • Average sunshine in September: 5h and 2min

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

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Average sunshine days in September
Skaftafell, Iceland

Average sunshine days in September - Skaftafell, Iceland
  • Average sunshine days in September: 8.5 days

The month with the most sunshine days is August (14.3 days).
The month with the least sunshine days is March (8 days).

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Average UV index in September
Skaftafell, Iceland

Average UV index in September - Skaftafell, Iceland
  • Average UV index in September: 2

The month with the highest UV index is July (UV index 3).
The month with the lowest UV index is November (UV index 1).

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Average cloud cover in September
Skaftafell, Iceland

Average cloud cover in September - Skaftafell, Iceland
  • Average cloud cover in September: 59

The month with the most cloud cover is March (Cloud cover 61).
The months with the least cloud cover are June and August (Cloud cover 54).

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Average visibility in September
Skaftafell, Iceland

Average visibility in September - Skaftafell, Iceland
  • Average visibility in September: 9km

The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).

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Skaftafell, Iceland

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