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 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 onset of September marks an average high-temperature of a moderate 15.3°C (59.5°F), hardly differing from August's 18.2°C (64.8°F). A mean low-temperature of 11.6°C (52.9°F) is anticipated during the month of September, a slight step down from the daytime high.Humidity
In September, the average relative humidity is 76%.Rainfall
September is the month with the most rainfall in Larvik, Norway. Rain falls for 11.9 days and accumulates 50mm (1.97") of precipitation.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 50min.On the first day of the month, sunrise is at 06:18 and sunset at 20:20. On the last day of September, in Larvik, sunrise is at 07:23 and sunset at 18:55 CEST.
Sunshine
In September, the average sunshine is 7.9h.UV index
In Larvik, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Larvik?
What is the average humidity in September in Larvik?
What is the rainiest month in Larvik?
How many days does it rain in September in Larvik?
When it does not snow in Larvik?
Does it snow in Larvik in September?
How many hours of daylight does Larvik have in September?
When are sunrise and sunset in September in Larvik?
How long on average sun shines in September in Larvik?
What is the UV index intensity in September in Larvik?
Average temperature in September
Larvik, Norway
- Average high temperature in September: 15.3°C
The warmest month (with the highest average high temperature) is July (18.7°C).
The month with the lowest average high temperature is February (0.8°C).
- Average low temperature in September: 11.6°C
The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is February (-1.9°C).
Average pressure in September
Larvik, Norway
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is April (1014.4mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).
Average wind speed in September
Larvik, Norway
- Average wind speed in September: 19.8km/h
The windiest month (with the highest average wind speed) is November (23.2km/h).
The calmest month (with the lowest average wind speed) is July (15.9km/h).
Average humidity in September
Larvik, Norway
- Average humidity in September: 76%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April and May (73%).
Average rainfall in September
Larvik, Norway
- Average rainfall in September: 50mm
The wettest month (with the highest rainfall) is September (50mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in September
Larvik, Norway
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is August (13.3 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in September
Larvik, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is January (73mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Larvik, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Larvik, 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: 7h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in September
Larvik, Norway
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is April (19.7 days).
The month with the least sunshine days is February (12.9 days).
Average UV index in September
Larvik, Norway
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Larvik, Norway
- Average cloud cover in September: 43
The months with the most cloud cover are February and November (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in September
Larvik, Norway
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
Larvik, Norway
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