September weather forecastLeirvik, Norway
September
Weather in September
September, the first month of the autumn in Leirvik, is also a moderate month, with an average temperature ranging between min 12.2°C (54°F) and max 14.4°C (57.9°F).Temperature
With the onset of September, Leirvik's average high-temperature clocks in at a still refreshing 14.4°C (57.9°F), showing a minor fluctuation from the previous month. In Leirvik, a slight decrease from the daytime peak is noted during the month of September, with an average low-temperature of 12.2°C (54°F).Humidity
In September, the average relative humidity in Leirvik is 79%.Rainfall
In Leirvik, in September, during 20.3 rainfall days, 123mm (4.84") of precipitation is typically accumulated. In Leirvik, Norway, during the entire year, the rain falls for 220.1 days and collects up to 1290mm (50.79") of precipitation.Snowfall
June through September are months without snowfall in Leirvik.Sea temperature
In Leirvik, the average seawater temperature in September is 14.8°C (58.6°F).Note: Navigating the 14.8°C (58.6°F) at 13°C (55.4°F) is no joy, and temperatures less than 10°C (50°F) can threaten breathing and cause a chilling shock, gauging personal stamina.
Daylight
The average length of the day in September in Leirvik is 12h and 51min.On the first day of September in Leirvik, sunrise is at 06:35 and sunset at 20:40. On the last day of the month, sunrise is at 07:42 and sunset at 19:13 CEST.
Sunshine
The average sunshine in September in Leirvik is 5.9h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: A maximum daily UV index of 3 during September morphs into the following directions:
Ensure safety - Recommendations to avert sunburn are presented. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Leirvik, Norway
- Average high temperature in September: 14.4°C
The warmest month (with the highest average high temperature) is August (16.5°C).
The month with the lowest average high temperature is February (4.1°C).
- Average low temperature in September: 12.2°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is February (2.1°C).
Average pressure in September
Leirvik, Norway
- Average pressure in September: 1012.4mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1006.3mbar).
Average wind speed in September
Leirvik, Norway
- Average wind speed in September: 20.2km/h
The windiest month (with the highest average wind speed) is January (26.7km/h).
The calmest months (with the lowest average wind speed) are June and July (17.5km/h).
Average humidity in September
Leirvik, Norway
- Average humidity in September: 79%
The month with the highest relative humidity is July (81%).
The months with the lowest relative humidity are May, October and November (76%).
Average rainfall in September
Leirvik, Norway
- Average rainfall in September: 123mm
The wettest month (with the highest rainfall) is October (158mm).
The driest month (with the least rainfall) is April (58mm).
Average rainfall days in September
Leirvik, Norway
- Average rainfall days in September: 20.3 days
The month with the highest number of rainy days is December (21.8 days).
The month with the least rainy days is June (14.6 days).
Average snowfall in September
Leirvik, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Leirvik, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in September
Leirvik, Norway
- Average sea temperature in September: 14.8°C
The best month for swimming (with the highest average sea temperature) is August (16.1°C).
The coldest month (with the lowest average sea temperature) is March (4.8°C).
Average daylight in September /
Average sunshine in September
Leirvik, Norway
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in September: 5h and 54min
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 12min).
Average sunshine days in September
Leirvik, Norway
- Average sunshine days in September: 8.5 days
The month with the most sunshine days is June (13.7 days).
The month with the least sunshine days is December (6.2 days).
Average UV index in September
Leirvik, Norway
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 4).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Leirvik, Norway
- Average cloud cover in September: 58
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
Leirvik, Norway
- Average visibility in September: 10km
The months with the highest visibility are May, June, August and September (10km).
The months with the lowest visibility are January, February, March, April, July, October, November and December (9km).
