September weather forecast
Raufarhöfn, Iceland

englishespañol中文
Share

Weather in September

Welcome to autumn in Raufarhöfn, Iceland, marked by gradually decreasing temperatures and increasing rainfall. An essential characteristic of this month is the rise in both rainfall and snowfall, recording an average of 67mm (2.64") and 7mm (0.28") respectively. These alterations shape the environment, transitioning the landscape into a beautiful autumn scene. October, however, brings more cold and rainfall, making September the softer introduction to autumn. The fewer hours of sunlight and an explosion of fall colors make for incredibly scenic views throughout the month.

Temperature

September brings an average high-temperature of a chilly 8.8°C (47.8°F), showing a slight difference from August's 10.6°C (51.1°F). The nights of September in Raufarhöfn, Iceland, anticipate a slight dip from daytime high temperatures, settling to an average low-temperature of 6.1°C (43°F).

Humidity

In September, the average relative humidity is 82%.

Rainfall

In Raufarhöfn, Iceland, in September, during 19.3 rainfall days, 67mm (2.64") of precipitation is typically accumulated. Throughout the year, there are 151 rainfall days, and 635mm (25") of precipitation is accumulated.

Snowfall

Months with snowfall are January through July, September through December. September is the first month it typically snows in Raufarhöfn. Throughout September, in the average 1.3 snowfall days, it receives 7mm (0.28") of snow. Throughout the year, in Raufarhöfn, there are 79.7 snowfall days, and 632mm (24.88") of snow is accumulated.

Daylight

In Raufarhöfn, the average length of the day in September is 13h and 7min.
On the first day of September in Raufarhöfn, sunrise is at 05:39 and sunset at 20:27. On the last day of the month, sunrise is at 07:13 and sunset at 18:33 GMT.

Sunshine

In September, the average sunshine is 4.8h.

UV index

The average daily maximum UV index in September is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 2 in September translates into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Updated: Feb 10, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What are September temperatures in Raufarhöfn?

The high-temperature, in September, in Raufarhöfn, is 8.8°C (47.8°F), while the low-temperature averages to 6.1°C (43°F).

What is the average humidity in September in Raufarhöfn?

In Raufarhöfn, Iceland, the average relative humidity in September is 82%.

How many days does it rain in September in Raufarhöfn?

In Raufarhöfn, Iceland, in September, during 19.3 rainfall days, 67mm (2.64") of precipitation is typically accumulated.

When does it start to snow in Raufarhöfn?

September is the first month it typically snows in Raufarhöfn. Throughout September, in the average 1.3 snowfall days, it receives 7mm (0.28") of snow.

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

In September, the average day length in Raufarhöfn is 13h and 7min.

When is the sunrise / sunset in September in Raufarhöfn?

On the first day of September in Raufarhöfn, Iceland, sunrise is at 05:39 and sunset at 20:27. On the last day of the month, sunrise is at 07:13 and sunset at 18:33 GMT.

How many hours of sunshine does Raufarhöfn have in September?

The average sunshine duration in September in Raufarhöfn, Iceland, is 4.8h.

What is the UV index reading in September in Raufarhöfn?

The average daily maximum UV index in September in Raufarhöfn, Iceland, is 2. A UV Index estimate of 2, and below, represents a low health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Raufarhöfn, Iceland

Average temperature in September - Raufarhöfn, Iceland
  • Average high temperature in September: 8.8°C

The warmest month (with the highest average high temperature) is August (10.6°C).
The month with the lowest average high temperature is March (1.1°C).

  • Average low temperature in September: 6.1°C

The month with the highest average low temperature is August (8.2°C).
The coldest month (with the lowest average low temperature) is March (-1.9°C).

Average pressure in September
Raufarhöfn, Iceland

Average pressure in September - Raufarhöfn, Iceland
  • Average pressure in September: 1003.4mbar

The month with the highest atmospheric pressure is June (1014.7mbar).
The month with the lowest atmospheric pressure is January (998.7mbar).

Average wind speed in September
Raufarhöfn, Iceland

Average wind speed in September - Raufarhöfn, Iceland
  • Average wind speed in September: 23.7km/h

The windiest month (with the highest average wind speed) is December (31.4km/h).
The calmest month (with the lowest average wind speed) is June (17.9km/h).

Average humidity in September
Raufarhöfn, Iceland

Average humidity in September - Raufarhöfn, Iceland
  • Average humidity in September: 82%

The month with the highest relative humidity is July (84%).
The months with the lowest relative humidity are May and December (80%).

Average rainfall in September
Raufarhöfn, Iceland

Average rainfall in September - Raufarhöfn, Iceland
  • Average rainfall in September: 67mm

The wettest month (with the highest rainfall) is December (77mm).
The driest month (with the least rainfall) is June (24mm).

Average rainfall days in September
Raufarhöfn, Iceland

Average rainfall days in September - Raufarhöfn, Iceland
  • Average rainfall days in September: 19.3 days

The month with the highest number of rainy days is September (19.3 days).
The month with the least rainy days is March (8.2 days).

Average snowfall in September
Raufarhöfn, Iceland

Average snowfall in September - Raufarhöfn, Iceland
  • Average snowfall in September: 7mm

The month with the highest snowfall is March (113mm).
The month with the least snowfall is August (0mm).

Average snowfall days in September
Raufarhöfn, Iceland

Average snowfall days in September - Raufarhöfn, Iceland
  • Average snowfall days in September: 1.3 days

The month with the highest number of snowfall days is March (13.3 days).
The month with the least snowfall days is August (0 days).

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

Average daylight in September / Average sunshine in September - Raufarhöfn, Iceland
  • Average daylight in September: 13h and 1min

The month with the longest days is May (Average daylight: 19h and 36min).
The month with the shortest days is December (Average daylight: 2h and 48min).

  • Average sunshine in September: 4h and 5min

The month with the most sunshine is May (Average sunshine: 6h and 48min).
The month with the least sunshine is June (Average sunshine: 0h and 24min).

Average sunshine days in September
Raufarhöfn, Iceland

Average sunshine days in September - Raufarhöfn, Iceland
  • Average sunshine days in September: 7.8 days

The month with the most sunshine days is June (14.6 days).
The month with the least sunshine days is February (5.8 days).

Average UV index in September
Raufarhöfn, Iceland

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

The months with the highest UV index are July and August (UV index 3).
The months with the lowest UV index are January, February, March, October and December (UV index 1).

Average cloud cover in September
Raufarhöfn, Iceland

Average cloud cover in September - Raufarhöfn, Iceland
  • Average cloud cover in September: 66

The month with the most cloud cover is March (Cloud cover 74).
The month with the least cloud cover is June (Cloud cover 60).

Average visibility in September
Raufarhöfn, Iceland

Average visibility in September - Raufarhöfn, 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, November and December (8km).

Raufarhöfn, Iceland

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location