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 weather during September records an average high-temperature of a still refreshing 14.4°C (57.9°F), closely mirroring the preceding month. Stavanger's September nights observe a minor shift from the daytime temperatures, resulting in an average dip to a cool 12.2°C (54°F).Humidity
The average relative humidity in September in Stavanger is 79%.Rainfall
In September, the rain falls for 19.1 days. Throughout September, 101mm (3.98") of precipitation is accumulated. In Stavanger, Norway, during the entire year, the rain falls for 210.4 days and collects up to 1002mm (39.45") of precipitation.Snowfall
May through October are months without snowfall in Stavanger.Sea temperature
In Stavanger, the average seawater temperature in September is 15.2°C (59.4°F).Note: For most, swimming in 15.2°C (59.4°F) is not a pleasant experience. As the temperature falls from 21°C (69.8°F) to 15°C (59°F), controlling one's breathing becomes more difficult.
Daylight
In Stavanger, the average length of the day in September is 12h and 50min.On the first day of the month, sunrise is at 06:36 and sunset at 20:37. On the last day of September, in Stavanger, sunrise is at 07:40 and sunset at 19:12 CEST.
Sunshine
The average sunshine in September in Stavanger is 6.8h.UV index
The average daily maximum UV index in September in Stavanger is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A maximum UV index of 3 in September translates into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Frequently asked questions
What are September temperatures in Stavanger?
What is the average humidity in September in Stavanger?
How much does it rain in Stavanger in September?
When it does not snow in Stavanger?
What is the sea temperature in September in Stavanger?
What is the average length of the day in September in Stavanger?
When are sunrise and sunset in September in Stavanger?
How many hours of sunshine does Stavanger have in September?
What is the UV index intensity in September in Stavanger?
Average temperature in September
Stavanger, Norway
- Average high temperature in September: 14.4°C
The warmest month (with the highest average high temperature) is August (16.3°C).
The month with the lowest average high temperature is February (3.7°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 (1.6°C).
Average pressure in September
Stavanger, Norway
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is May (1015mbar).
The month with the lowest atmospheric pressure is December (1006.7mbar).
Average wind speed in September
Stavanger, Norway
- Average wind speed in September: 20.7km/h
The windiest month (with the highest average wind speed) is January (27.4km/h).
The calmest months (with the lowest average wind speed) are June and July (17.2km/h).
Average humidity in September
Stavanger, Norway
- Average humidity in September: 79%
The month with the highest relative humidity is July (81%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in September
Stavanger, Norway
- Average rainfall in September: 101mm
The wettest month (with the highest rainfall) is December (130mm).
The driest month (with the least rainfall) is June (43mm).
Average rainfall days in September
Stavanger, Norway
- Average rainfall days in September: 19.1 days
The month with the highest number of rainy days is December (21.5 days).
The month with the least rainy days is June (13.3 days).
Average snowfall in September
Stavanger, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is March (30mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Stavanger, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in September
Stavanger, Norway
- Average sea temperature in September: 15.2°C
The best month for swimming (with the highest average sea temperature) is August (16.8°C).
The coldest month (with the lowest average sea temperature) is March (4.6°C).
Average daylight in September /
Average sunshine in September
Stavanger, Norway
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in September: 6h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in September
Stavanger, Norway
- Average sunshine days in September: 9.4 days
The month with the most sunshine days is June (14.4 days).
The month with the least sunshine days is December (5.8 days).
Average UV index in September
Stavanger, 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
Stavanger, Norway
- Average cloud cover in September: 52
The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is May (Cloud cover 44).
Average visibility in September
Stavanger, Norway
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).
Stavanger, Norway
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