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 sea temperature 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
Weather in September
Temperature
The shift from August to September in Akureyri, Iceland, includes a minor decrease in the average high-temperature, lightly dropping from a cool 10°C (50°F) to a chilly 6.9°C (44.4°F). In September, Akureyri's nighttime temperatures demonstrate a slight decrease, stabilizing at an average of 2.2°C (36°F).Humidity
In Akureyri, the average relative humidity in September is 85%.Rainfall
In Akureyri, in September, during 20.5 rainfall days, 72mm (2.83") of precipitation is typically accumulated. In Akureyri, during the entire year, the rain falls for 171.3 days and collects up to 851mm (33.5") of precipitation.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 1.3 snowfall days, it receives 21mm (0.83") of snow. Throughout the year, in Akureyri, there are 122.6 snowfall days, and 2565mm (100.98") of snow is accumulated.Sea temperature
In Akureyri, the average seawater temperature in September is 7.4°C (45.3°F).Note: To swim in 7.4°C (45.3°F) at less than 10°C (50°F), ensure you're well-protected. Without it, be prepared for a sudden jolt of cold and breathing issues. Remember, even 13°C (55.4°F) is not welcoming.
Daylight
The average length of the day in September in Akureyri is 13h and 5min.On the first day of the month, sunrise is at 05:51 and sunset at 20:33. On the last day of September, in Akureyri, Iceland, sunrise is at 07:21 and sunset at 18:42 GMT.
Sunshine
In September, the average sunshine is 4.8h.UV index
The average daily maximum UV index in September in Akureyri is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 2 in September translates into the following instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is September cold in Akureyri?
What is the average humidity in September in Akureyri?
How many days does it rain in September in Akureyri?
When does it start to snow in Akureyri?
What is the sea water temperature in September in Akureyri?
How many hours of daylight does Akureyri have in September?
When are sunrise and sunset in September in Akureyri?
How long on average sun shines in September in Akureyri?
How high is the UV index in September in Akureyri?
Average temperature in September
Akureyri, Iceland
- Average high temperature in September: 6.9°C
The warmest month (with the highest average high temperature) is July (11.1°C).
The month with the lowest average high temperature is December (-3.5°C).
- Average low temperature in September: 2.2°C
The month with the highest average low temperature is July (5.6°C).
The coldest month (with the lowest average low temperature) is December (-9°C).
Average pressure in September
Akureyri, Iceland
- Average pressure in September: 1003.7mbar
The month with the highest atmospheric pressure is June (1014.3mbar).
The month with the lowest atmospheric pressure is January (998.5mbar).
Average wind speed in September
Akureyri, Iceland
- Average wind speed in September: 12.9km/h
The windiest month (with the highest average wind speed) is December (16.3km/h).
The calmest month (with the lowest average wind speed) is July (9.9km/h).
Average humidity in September
Akureyri, Iceland
- Average humidity in September: 85%
The months with the highest relative humidity are January, February, March and December (91%).
The month with the lowest relative humidity is June (77%).
Average rainfall in September
Akureyri, Iceland
- Average rainfall in September: 72mm
The wettest month (with the highest rainfall) is December (115mm).
The driest month (with the least rainfall) is June (30mm).
Average rainfall days in September
Akureyri, Iceland
- Average rainfall days in September: 20.5 days
The month with the highest number of rainy days is August (21.3 days).
The month with the least rainy days is March (8.7 days).
Average snowfall in September
Akureyri, Iceland
- Average snowfall in September: 21mm
The month with the highest snowfall is December (499mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Akureyri, Iceland
- Average snowfall days in September: 1.3 days
The month with the highest number of snowfall days is March (21.2 days).
The months with the least snowfall days are July and August (0 days).
Average sea temperature in September
Akureyri, Iceland
- Average sea temperature in September: 7.4°C
The best month for swimming (with the highest average sea temperature) is August (9.5°C).
The coldest month (with the lowest average sea temperature) is February (2.3°C).
Average daylight in September /
Average sunshine in September
Akureyri, Iceland
- Average daylight in September: 13h and 1min
The month with the longest days is June (Average daylight: 22h and 42min).
The month with the shortest days is December (Average daylight: 3h and 24min).
- Average sunshine in September: 4h and 5min
The month with the most sunshine is May (Average sunshine: 6h and 42min).
The month with the least sunshine is June (Average sunshine: 1h and 6min).
Average sunshine days in September
Akureyri, Iceland
- Average sunshine days in September: 6.5 days
The month with the most sunshine days is June (11.3 days).
The months with the least sunshine days are March and December (5.3 days).
Average UV index in September
Akureyri, Iceland
- Average UV index in September: 2
The month with the highest UV index is June (UV index 3).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in September
Akureyri, Iceland
- Average cloud cover in September: 65
The month with the most cloud cover is March (Cloud cover 73).
The month with the least cloud cover is June (Cloud cover 62).
Average visibility in September
Akureyri, Iceland
- Average visibility in September: 8km
The months with the highest visibility are June, July and August (9km).
The months with the lowest visibility are January, February, March, April, November and December (7km).
Akureyri, Iceland
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