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
September
Weather in September
Temperature
The shift from August to September includes a small decrease in the average high-temperature, from a fresh 10°C (50°F) to a frosty 6.9°C (44.4°F). Húsavík's nighttime temperatures in September reveal a minimal variation from the daytime highs, averaging at an icy 2.3°C (36.1°F).Humidity
In Húsavík, the average relative humidity in September is 85%.Rainfall
In September, the rain falls for 21.7 days. Throughout September, 79mm (3.11") of precipitation is accumulated. Throughout the year, there are 177.8 rainfall days, and 881mm (34.69") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 1.8 snowfall days, it receives 32mm (1.26") of snow. In Húsavík, during the entire year, snow falls for 122.1 days and aggregates up to 2536mm (99.84") of snow.Sea temperature
In September, the average sea temperature is 7.5°C (45.5°F).Note: Swimming at temperatures less than 10°C (50°F) in 7.5°C (45.5°F) is feasible with the right swimsuit; if not, expect cold shock and breathlessness. A quick swim at 13°C (55.4°F) without adequate warmth can be discomforting.
Daylight
In September, the average length of the day is 13h and 6min.On the first day of the month, sunrise is at 05:46 and sunset at 20:31. On the last day of September, sunrise is at 07:18 and sunset at 18:39 GMT.
Sunshine
In September, the average sunshine is 4.8h.UV index
The months with the highest UV index are April through September, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 2 suggests this advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. When the Sun is at its strongest around midday, find shade and limit exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is September?
What is the average humidity in September?
How much does it rain in September?
When does it start to snow?
What is the water temperature in September?
What is the average length of the day in September in Húsavík?
When is the sunrise / sunset in September?
How many hours of sunshine does Húsavík have in September?
When is the highest UV index in Húsavík?
What is the UV index intensity in September?
Average temperature in September
Húsavík, 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 (-3.8°C).
- Average low temperature in September: 2.3°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 (-9.1°C).
Average pressure in September
Húsavík, 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
Húsavík, 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
Húsavík, 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
Húsavík, Iceland
- Average rainfall in September: 79mm
The wettest month (with the highest rainfall) is December (115mm).
The driest month (with the least rainfall) is June (40mm).
Average rainfall days in September
Húsavík, Iceland
- Average rainfall days in September: 21.7 days
The months with the highest number of rainy days are July and August (22.3 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in September
Húsavík, Iceland
- Average snowfall in September: 32mm
The month with the highest snowfall is December (511mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Húsavík, Iceland
- Average snowfall days in September: 1.8 days
The month with the highest number of snowfall days is March (20.9 days).
The months with the least snowfall days are July and August (0 days).
Average sea temperature in September
Húsavík, Iceland
- Average sea temperature in September: 7.5°C
The best month for swimming (with the highest average sea temperature) is August (9.7°C).
The coldest month (with the lowest average sea temperature) is February (2°C).
Average daylight in September /
Average sunshine in September
Húsavík, Iceland
- Average daylight in September: 13h and 1min
The month with the longest days is July (Average daylight: 20h and 54min).
The month with the shortest days is December (Average daylight: 3h and 6min).
- 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
Húsavík, Iceland
- Average sunshine days in September: 5.7 days
The month with the most sunshine days is May (8.9 days).
The month with the least sunshine days is September (5.7 days).
Average UV index in September
Húsavík, Iceland
- Average UV index in September: 2
The months with the highest UV index are April, May, June, July, August and September (UV index 2).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in September
Húsavík, Iceland
- Average cloud cover in September: 65
The month with the most cloud cover is March (Cloud cover 72).
The month with the least cloud cover is June (Cloud cover 62).
Average visibility in September
Húsavík, Iceland
- Average visibility in September: 8km
The month with the highest visibility is June (9km).
The months with the lowest visibility are January, February, March, April, November and December (7km).
