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
With the onset of September, Hopen's average high-temperature clocks in at a still refreshing 13.5°C (56.3°F), showing a minor fluctuation from the previous month. September nights in Hopen experience a minor temperature downturn to a cool 11.4°C (52.5°F).Humidity
The average relative humidity in September in Hopen is 77%.Rainfall
In Hopen, in September, it is raining for 18.7 days, with typically 77mm (3.03") of accumulated precipitation. Throughout the year, there are 206.7 rainfall days, and 787mm (30.98") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Hopen.Sea temperature
In Hopen, Norway, in September, the average water temperature is 13.1°C (55.6°F).Note: Immersing oneself in 13.1°C (55.6°F) at sub-10°C (14°F) temperatures is a recipe for harsh cold shock and quickened breathing unless adequately equipped.
Daylight
The average length of the day in September is 12h and 59min.On the first day of September, sunrise is at 06:14 and sunset at 20:41. On the last day of the month, sunrise is at 07:34 and sunset at 19:00 CEST.
Sunshine
The average sunshine in September is 6.8h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index, 3 during September, leads to the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Frequently asked questions
What is the temperature in September in Hopen?
What is the average humidity in September in Hopen?
How much does it rain in Hopen in September?
When it does not snow in Hopen?
Does it snow in Hopen in September?
What is the sea water temperature in September in Hopen?
How many hours of daylight does Hopen have in September?
What time are sunrise and sunset in September in Hopen?
How many hours of sunshine does Hopen have in September?
What is the UV index reading in September in Hopen?
Average temperature in September
Hopen, Norway
- Average high temperature in September: 13.5°C
The warmest month (with the highest average high temperature) is August (15.1°C).
The month with the lowest average high temperature is February (4.7°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is February (2.4°C).
Average pressure in September
Hopen, Norway
- Average pressure in September: 1009.7mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1002mbar).
Average wind speed in September
Hopen, Norway
- Average wind speed in September: 23.5km/h
The windiest month (with the highest average wind speed) is December (31.1km/h).
The calmest month (with the lowest average wind speed) is July (18.9km/h).
Average humidity in September
Hopen, Norway
- Average humidity in September: 77%
The month with the highest relative humidity is July (82%).
The months with the lowest relative humidity are January and November (71%).
Average rainfall in September
Hopen, Norway
- Average rainfall in September: 77mm
The wettest month (with the highest rainfall) is December (98mm).
The driest month (with the least rainfall) is June (42mm).
Average rainfall days in September
Hopen, Norway
- Average rainfall days in September: 18.7 days
The month with the highest number of rainy days is December (20.5 days).
The month with the least rainy days is June (14.3 days).
Average snowfall in September
Hopen, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is February (67mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Hopen, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in September
Hopen, Norway
- Average sea temperature in September: 13.1°C
The best month for swimming (with the highest average sea temperature) is August (14.1°C).
The coldest month (with the lowest average sea temperature) is March (5.8°C).
Average daylight in September /
Average sunshine in September
Hopen, Norway
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 24min).
The month with the shortest days is December (Average daylight: 4h and 42min).
- Average sunshine in September: 6h and 5min
The months with the most sunshine are June and July (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 24min).
Average sunshine days in September
Hopen, Norway
- Average sunshine days in September: 9.5 days
The month with the most sunshine days is May (12.5 days).
The month with the least sunshine days is December (6.5 days).
Average UV index in September
Hopen, Norway
- Average UV index in September: 3
The months with the highest UV index are 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
Hopen, Norway
- Average cloud cover in September: 55
The month with the most cloud cover is March (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 52).
Average visibility in September
Hopen, Norway
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February, March, April and December (9km).
Hopen, Norway
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