September weather forecastAustevoll, Norway
September
Weather in September
September, the first month of the autumn in Austevoll, is also a moderate month, with an average temperature varying between 12.2°C (54°F) and 14.3°C (57.7°F).Temperature
The dawn of September sees an average high-temperature of a mild 14.3°C (57.7°F), subtly contrasting with August's 16.1°C (61°F). Consistently, Austevoll reports average nighttime temperatures of 12.2°C (54°F) during September, a marginal step down from its daytime highs.Humidity
In Austevoll, the average relative humidity in September is 78%.Rainfall
In September, the rain falls for 19.8 days. Throughout September, 123mm (4.84") of precipitation is accumulated. In Austevoll, during the entire year, the rain falls for 208.7 days and collects up to 1212mm (47.72") of precipitation.Snowfall
In Austevoll, snow does not fall in June through October.Daylight
In September, the average length of the day is 12h and 52min.On the first day of the month, sunrise is at 06:35 and sunset at 20:42. On the last day of September, sunrise is at 07:43 and sunset at 19:14 CEST.
Sunshine
The average sunshine in September in Austevoll, Norway, is 5.8h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 3 in September leads to these guidelines:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Austevoll, Norway
- Average high temperature in September: 14.3°C
The warmest month (with the highest average high temperature) is August (16.1°C).
The month with the lowest average high temperature is February (4.4°C).
- Average low temperature in September: 12.2°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (2.5°C).
Average pressure in September
Austevoll, Norway
- Average pressure in September: 1012.1mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1005.9mbar).
Average wind speed in September
Austevoll, Norway
- Average wind speed in September: 21.4km/h
The windiest month (with the highest average wind speed) is January (27.8km/h).
The calmest month (with the lowest average wind speed) is July (17.6km/h).
Average humidity in September
Austevoll, Norway
- Average humidity in September: 78%
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is November (73%).
Average rainfall in September
Austevoll, Norway
- Average rainfall in September: 123mm
The wettest months (with the highest rainfall) are October and December (149mm).
The driest month (with the least rainfall) is April (51mm).
Average rainfall days in September
Austevoll, Norway
- Average rainfall days in September: 19.8 days
The month with the highest number of rainy days is December (21.4 days).
The month with the least rainy days is June (13.6 days).
Average snowfall in September
Austevoll, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is March (36mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Austevoll, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Austevoll, Norway
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in September: 5h and 48min
The month with the most sunshine is June (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 6min).
Average sunshine days in September
Austevoll, Norway
- Average sunshine days in September: 9.4 days
The month with the most sunshine days is June (15.3 days).
The month with the least sunshine days is December (7.1 days).
Average UV index in September
Austevoll, Norway
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Austevoll, Norway
- Average cloud cover in September: 59
The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is May (Cloud cover 47).
Average visibility in September
Austevoll, Norway
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July and August (10km).
The months with the lowest visibility are January, February, March, September, October, November and December (9km).





