September weather forecastVogar, Iceland
September
Weather in September
September, the first month of the autumn in Vogar, is still a cool month, with an average temperature ranging between min 8.4°C (47.1°F) and max 10.3°C (50.5°F).Temperature
Welcoming September, Vogar notes an average high-temperature of a still cool 10.3°C (50.5°F), nearly consistent with August's 12.2°C (54°F). Maintaining close parity with daytime warmth, the average nocturnal temperature in Vogar during September stays at a frosty 8.4°C (47.1°F).Humidity
In Vogar, the average relative humidity in September is 79%.Rainfall
In Vogar, Iceland, during September, the rain falls for 19.9 days and regularly aggregates up to 86mm (3.39") of precipitation. In Vogar, during the entire year, the rain falls for 193.9 days and collects up to 833mm (32.8") of precipitation.Snowfall
June through September are months without snowfall in Vogar.Daylight
In September, the average length of the day is 13h and 0min.On the first day of the month, sunrise is at 06:14 and sunset at 20:44. On the last day of September, in Vogar, sunrise is at 07:37 and sunset at 19:01 GMT.
Sunshine
The average sunshine in September in Vogar, Iceland, is 4.8h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A typical high UV index of 3 in September suggests the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. When the Sun is at its strongest around midday, find shade and limit exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Vogar, Iceland
- Average high temperature in September: 10.3°C
The warmest months (with the highest average high temperature) are July and August (12.2°C).
The months with the lowest average high temperature are February, March and December (4.2°C).
- Average low temperature in September: 8.4°C
The month with the highest average low temperature is July (9.9°C).
The coldest months (with the lowest average low temperature) are March and December (1.3°C).
Average pressure in September
Vogar, Iceland
- Average pressure in September: 1002.6mbar
The month with the highest atmospheric pressure is June (1013.7mbar).
The month with the lowest atmospheric pressure is January (996.1mbar).
Average wind speed in September
Vogar, Iceland
- Average wind speed in September: 27.9km/h
The windiest month (with the highest average wind speed) is February (35km/h).
The calmest month (with the lowest average wind speed) is June (20.1km/h).
Average humidity in September
Vogar, Iceland
- Average humidity in September: 79%
The months with the highest relative humidity are July and August (81%).
The month with the lowest relative humidity is December (74%).
Average rainfall in September
Vogar, Iceland
- Average rainfall in September: 86mm
The wettest month (with the highest rainfall) is January (99mm).
The driest month (with the least rainfall) is June (35mm).
Average rainfall days in September
Vogar, Iceland
- Average rainfall days in September: 19.9 days
The month with the highest number of rainy days is September (19.9 days).
The month with the least rainy days is June (12.5 days).
Average snowfall in September
Vogar, Iceland
- Average snowfall in September: 0mm
The month with the highest snowfall is March (75mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Vogar, Iceland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Vogar, Iceland
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 42min).
The month with the shortest days is December (Average daylight: 4h and 30min).
- Average sunshine in September: 4h and 48min
The month with the most sunshine is August (Average sunshine: 7h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in September
Vogar, Iceland
- Average sunshine days in September: 8.5 days
The month with the most sunshine days is June (15 days).
The months with the least sunshine days are March and April (7.1 days).
Average UV index in September
Vogar, Iceland
- Average UV index in September: 3
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, April, May, October, November and December (UV index 2).
Average cloud cover in September
Vogar, Iceland
- Average cloud cover in September: 63
The month with the most cloud cover is March (Cloud cover 69).
The months with the least cloud cover are May, July and August (Cloud cover 60).
Average visibility in September
Vogar, Iceland
- Average visibility in September: 9km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February, March, April, May, July, September, October, November and December (9km).





