September weather forecastMelsomvik, Norway
September
Weather in September
September, the first month of the autumn in Melsomvik, is still a mild month, with an average temperature ranging between min 10.8°C (51.4°F) and max 15.3°C (59.5°F).Temperature
The arrival of September correlates with a minor temperature reduction, down from August's comfortable 18.4°C (65.1°F) to a moderate 15.3°C (59.5°F). The temperature in Melsomvik during September sees a subtle transition from day to night, averaging a low of 10.8°C (51.4°F).Humidity
The average relative humidity in September in Melsomvik is 77%.Rainfall
In Melsomvik, in September, it is raining for 11.1 days, with typically 55mm (2.17") of accumulated precipitation. Throughout the year, in Melsomvik, there are 130.2 rainfall days, and 549mm (21.61") of precipitation is accumulated.Snowfall
May through September are months without snowfall in Melsomvik.Sea temperature
In Melsomvik, in September, the average water temperature is 15.8°C (60.4°F).Note: A surface water temperature of 15.8°C (60.4°F) does not provide an enjoyable swimming experience for most. Breathing control becomes more challenging as the water temperature drops below 21°C (69.8°F).
Daylight
In September, the average length of the day is 12h and 50min.On the first day of the month, sunrise is at 06:17 and sunset at 20:19. On the last day of September, in Melsomvik, sunrise is at 07:22 and sunset at 18:54 CEST.
Sunshine
In September, the average sunshine in Melsomvik is 8.3h.UV index
In Melsomvik, Norway, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 3 in September leads to these recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. 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
Melsomvik, Norway
- Average high temperature in September: 15.3°C
The warmest month (with the highest average high temperature) is July (19.1°C).
The month with the lowest average high temperature is February (0.3°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is February (-3°C).
Average pressure in September
Melsomvik, Norway
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is April (1014.4mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in September
Melsomvik, Norway
- Average wind speed in September: 16.7km/h
The windiest months (with the highest average wind speed) are November and December (19.7km/h).
The calmest month (with the lowest average wind speed) is July (13.9km/h).
Average humidity in September
Melsomvik, Norway
- Average humidity in September: 77%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April and May (72%).
Average rainfall in September
Melsomvik, Norway
- Average rainfall in September: 55mm
The wettest month (with the highest rainfall) is November (65mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Melsomvik, Norway
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in September
Melsomvik, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is January (111mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Melsomvik, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in September
Melsomvik, Norway
- Average sea temperature in September: 15.8°C
The best month for swimming (with the highest average sea temperature) is August (18.4°C).
The coldest month (with the lowest average sea temperature) is March (2.8°C).
Average daylight in September /
Average sunshine in September
Melsomvik, Norway
- Average daylight in September: 12h and 48min
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: 8h and 18min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Melsomvik, Norway
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is April (19.9 days).
The months with the least sunshine days are June and July (13.4 days).
Average UV index in September
Melsomvik, Norway
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Melsomvik, Norway
- Average cloud cover in September: 41
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are June, July and August (Cloud cover 36).
Average visibility in September
Melsomvik, 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).





