Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
Skálar marks the onset of September with an average high-temperature of a chilly 8.8°C (47.8°F), a subtle shift from August's 10.6°C (51.1°F). Skálar's nights throughout September are marked by an average low temperature of 6.1°C (43°F), a minor drop from the day's high.Humidity
In September, the average relative humidity in Skálar, Iceland, is 82%.Rainfall
In Skálar, during September, the rain falls for 19.3 days and regularly aggregates up to 67mm (2.64") of precipitation. Throughout the year, there are 151 rainfall days, and 635mm (25") of precipitation is accumulated.Snowfall
January through July, September through December are months with snowfall. September is the first month it typically snows in Skálar. Throughout September, in the average 1.3 snowfall days, it receives 7mm (0.28") of snow. In Skálar, during the entire year, snow falls for 79.7 days and aggregates up to 632mm (24.88") of snow.Daylight
In Skálar, the average length of the day in September is 13h and 7min.On the first day of the month, sunrise is at 05:35 and sunset at 20:22. On the last day of September, in Skálar, sunrise is at 07:08 and sunset at 18:28 GMT.
Sunshine
The average sunshine in September in Skálar is 4.8h.UV index
The average daily maximum UV index in September in Skálar is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In September, a daily UV index of 2 turns into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Skálar?
What is the average humidity in September in Skálar?
How much does it rain in Skálar in September?
When does it start snowing in Skálar?
What is the average length of the day in September in Skálar?
When is the sunrise / sunset in September in Skálar?
How long on average sun shines in September in Skálar?
What is the UV index intensity in September in Skálar?
Average temperature in September
Skálar, 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
Skálar, 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
Skálar, 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
Skálar, 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
Skálar, 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
Skálar, 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
Skálar, 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
Skálar, 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
Skálar, 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 54min).
- 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
Skálar, 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
Skálar, 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
Skálar, 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
Skálar, 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).
