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
September
Weather in September
Temperature
The onset of September brings a small shift in high-temperatures, falling from a cool 12.8°C (55°F) in August to a frosty 8.8°C (47.8°F). During the month of September, Ortnevik anticipates a mean low-temperature of 3°C (37.4°F).Humidity
In September, the average relative humidity in Ortnevik is 85%.Rainfall
In Ortnevik, during September, the rain falls for 20.5 days and regularly aggregates up to 164mm (6.46") of precipitation. Throughout the year, there are 215.7 rainfall days, and 1598mm (62.91") of precipitation is accumulated.Snowfall
In Ortnevik, Norway, snow does not fall in June through September.Daylight
In September, the average length of the day in Ortnevik is 12h and 54min.On the first day of September, sunrise is at 06:28 and sunset at 20:41. On the last day of the month, sunrise is at 07:40 and sunset at 19:09 CEST.
Sunshine
In Ortnevik, the average sunshine in September is 5.4h.UV index
The average daily maximum UV index in September in Ortnevik is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 2 suggests these recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Ortnevik?
What is the average humidity in September in Ortnevik?
How much does it rain in Ortnevik in September?
When it does not snow in Ortnevik?
Does it snow in Ortnevik in September?
How many hours of daylight does Ortnevik have in September?
When are sunrise and sunset in September in Ortnevik?
How many hours of sunshine does Ortnevik have in September?
What is the UV index intensity in September in Ortnevik?
Average temperature in September
Ortnevik, Norway
- Average high temperature in September: 8.8°C
The warmest month (with the highest average high temperature) is July (14°C).
The month with the lowest average high temperature is January (-4.8°C).
- Average low temperature in September: 3°C
The month with the highest average low temperature is July (6.7°C).
The coldest months (with the lowest average low temperature) are January and February (-11.3°C).
Average pressure in September
Ortnevik, Norway
- Average pressure in September: 1011.7mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1006mbar).
Average wind speed in September
Ortnevik, Norway
- Average wind speed in September: 9.7km/h
The windiest month (with the highest average wind speed) is January (11.3km/h).
The calmest months (with the lowest average wind speed) are July and August (8km/h).
Average humidity in September
Ortnevik, Norway
- Average humidity in September: 85%
The months with the highest relative humidity are February, March and December (93%).
The month with the lowest relative humidity is June (76%).
Average rainfall in September
Ortnevik, Norway
- Average rainfall in September: 164mm
The wettest month (with the highest rainfall) is December (192mm).
The driest month (with the least rainfall) is June (87mm).
Average rainfall days in September
Ortnevik, Norway
- Average rainfall days in September: 20.5 days
The month with the highest number of rainy days is July (23.1 days).
The month with the least rainy days is February (11.3 days).
Average snowfall in September
Ortnevik, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is January (648mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Ortnevik, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ortnevik, Norway
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 12min).
The month with the shortest days is December (Average daylight: 5h and 42min).
- Average sunshine in September: 5h and 2min
The month with the most sunshine is June (Average sunshine: 9h and 24min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days in September
Ortnevik, Norway
- Average sunshine days in September: 8.1 days
The month with the most sunshine days is April (9.8 days).
The month with the least sunshine days is December (6.3 days).
Average UV index in September
Ortnevik, Norway
- Average UV index in September: 2
The months with the highest UV index are May, June, July and August (UV index 3).
The months with the lowest UV index are February, March, October, November and December (UV index 1).
Average cloud cover in September
Ortnevik, Norway
- Average cloud cover in September: 64
The month with the most cloud cover is March (Cloud cover 73).
The month with the least cloud cover is June (Cloud cover 56).
Average visibility in September
Ortnevik, Norway
- Average visibility in September: 8km
The month with the highest visibility is June (9km).
The months with the lowest visibility are January, February, March, April and December (6km).
