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 shift from August to September coincides with a small decrease in the average high-temperature, down to a fresh 12.2°C (54°F) from a refreshing 15.2°C (59.4°F). Ulsteinvik's September nights demonstrate minimal variation from the daytime temperatures, with an average of 7.8°C (46°F).Humidity
In September, the average relative humidity is 81%.Rainfall
In Ulsteinvik, in September, during 19.7 rainfall days, 95mm (3.74") of precipitation is typically accumulated. Throughout the year, there are 199.5 rainfall days, and 1157mm (45.55") of precipitation is accumulated.Snowfall
In Ulsteinvik, Norway, snow does not fall in June through September.Sea temperature
In Ulsteinvik, Norway, in September, the average water temperature is 13.7°C (56.7°F).Note: It is risky to swim in 13.7°C (56.7°F). Temperatures beneath 10°C (50°F) induce rapid cold shock and hyperventilation.
Daylight
In Ulsteinvik, the average length of the day in September is 12h and 56min.On the first day of the month, sunrise is at 06:26 and sunset at 20:46. On the last day of September, in Ulsteinvik, sunrise is at 07:42 and sunset at 19:10 CEST.
Sunshine
In September, the average sunshine in Ulsteinvik, Norway, is 6.1h.UV index
In September, the average daily maximum UV index in Ulsteinvik, Norway, is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 2 in September translates into the following instructions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. It's recommended to limit sun exposure when its radiation is at its peak during midday. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Frequently asked questions
What are September temperatures in Ulsteinvik?
What is the average humidity in September in Ulsteinvik?
How many days does it rain in September in Ulsteinvik?
When it does not snow in Ulsteinvik?
Does it snow in Ulsteinvik in September?
What is the sea water temperature in September in Ulsteinvik?
How many hours of daylight does Ulsteinvik have in September?
When are sunrise and sunset in September in Ulsteinvik?
How many hours of sunshine does Ulsteinvik have in September?
What is the UV index reading in September in Ulsteinvik?
Average temperature in September
Ulsteinvik, Norway
- Average high temperature in September: 12.2°C
The warmest month (with the highest average high temperature) is July (15.3°C).
The month with the lowest average high temperature is January (-0.5°C).
- Average low temperature in September: 7.8°C
The month with the highest average low temperature is August (9.7°C).
The coldest month (with the lowest average low temperature) is February (-3.8°C).
Average pressure in September
Ulsteinvik, Norway
- Average pressure in September: 1010.7mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1003.7mbar).
Average wind speed in September
Ulsteinvik, Norway
- Average wind speed in September: 12.6km/h
The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is August (9.2km/h).
Average humidity in September
Ulsteinvik, Norway
- Average humidity in September: 81%
The month with the highest relative humidity is March (85%).
The month with the lowest relative humidity is May (77%).
Average rainfall in September
Ulsteinvik, Norway
- Average rainfall in September: 95mm
The wettest month (with the highest rainfall) is December (141mm).
The driest month (with the least rainfall) is June (63mm).
Average rainfall days in September
Ulsteinvik, Norway
- Average rainfall days in September: 19.7 days
The month with the highest number of rainy days is August (21.8 days).
The month with the least rainy days is February (11.9 days).
Average snowfall in September
Ulsteinvik, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is February (410mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Ulsteinvik, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are July, August and September (0 days).
Average sea temperature in September
Ulsteinvik, Norway
- Average sea temperature in September: 13.7°C
The best month for swimming (with the highest average sea temperature) is August (14.3°C).
The coldest month (with the lowest average sea temperature) is March (5.3°C).
Average daylight in September /
Average sunshine in September
Ulsteinvik, Norway
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 42min).
The month with the shortest days is December (Average daylight: 5h and 12min).
- Average sunshine in September: 6h and 1min
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 18min).
Average sunshine days in September
Ulsteinvik, Norway
- Average sunshine days in September: 9.1 days
The month with the most sunshine days is April (11.4 days).
The month with the least sunshine days is December (7.2 days).
Average UV index in September
Ulsteinvik, Norway
- Average UV index in September: 2
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are February, March, November and December (UV index 1).
Average cloud cover in September
Ulsteinvik, Norway
- Average cloud cover in September: 58
The month with the most cloud cover is March (Cloud cover 67).
The month with the least cloud cover is May (Cloud cover 54).
Average visibility in September
Ulsteinvik, Norway
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Ulsteinvik, Norway
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