September weather forecastNesna, Norway
September
Weather in September
The first month of the autumn, September, is still a cool month in Nesna, Norway, with an average temperature ranging between min 10.4°C (50.7°F) and max 12.3°C (54.1°F).Temperature
The advent of September brings an average high-temperature of a fresh 12.3°C (54.1°F), exhibiting minor difference from the previous month. Nesna observes a consistent average low-temperature of 10.4°C (50.7°F) throughout September nights.Humidity
The average relative humidity in September is 76%.Rainfall
In September, in Nesna, Norway, the rain falls for 19.2 days. Throughout September, 88mm (3.46") of precipitation is accumulated. In Nesna, during the entire year, the rain falls for 181.1 days and collects up to 939mm (36.97") of precipitation.Snowfall
June through September are months without snowfall in Nesna.Sea temperature
In September, the average sea temperature is 11.9°C (53.4°F).Note: Dipping into 11.9°C (53.4°F) below 10°C (50°F) is possible with the right protection; absent that, anticipate cold shock and hampered breathing. Swimming momentarily at 13°C (55.4°F) can be jarring.
Daylight
In September, the average length of the day is 13h and 7min.On the first day of September in Nesna, sunrise is at 05:44 and sunset at 20:31. On the last day of the month, sunrise is at 07:17 and sunset at 18:38 CEST.
Sunshine
The average sunshine in September is 6.6h.UV index
In Nesna, Norway, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, a regular UV index of 3 translates into these guidelines:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Nesna, Norway
- Average high temperature in September: 12.3°C
The warmest month (with the highest average high temperature) is August (14.3°C).
The month with the lowest average high temperature is February (1.7°C).
- Average low temperature in September: 10.4°C
The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is February (-0.8°C).
Average pressure in September
Nesna, Norway
- Average pressure in September: 1009.5mbar
The month with the highest atmospheric pressure is May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1001.6mbar).
Average wind speed in September
Nesna, Norway
- Average wind speed in September: 21.4km/h
The windiest month (with the highest average wind speed) is January (30.3km/h).
The calmest month (with the lowest average wind speed) is July (17.7km/h).
Average humidity in September
Nesna, Norway
- Average humidity in September: 76%
The month with the highest relative humidity is July (81%).
The months with the lowest relative humidity are October and December (72%).
Average rainfall in September
Nesna, Norway
- Average rainfall in September: 88mm
The wettest month (with the highest rainfall) is October (108mm).
The driest month (with the least rainfall) is June (44mm).
Average rainfall days in September
Nesna, Norway
- Average rainfall days in September: 19.2 days
The month with the highest number of rainy days is September (19.2 days).
The month with the least rainy days is February (8.7 days).
Average snowfall in September
Nesna, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is March (126mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Nesna, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in September
Nesna, Norway
- Average sea temperature in September: 11.9°C
The best month for swimming (with the highest average sea temperature) is July (13.8°C).
The coldest month (with the lowest average sea temperature) is March (4.2°C).
Average daylight in September /
Average sunshine in September
Nesna, Norway
- Average daylight in September: 13h and 6min
The month with the longest days is July (Average daylight: 19h and 36min).
The month with the shortest days is December (Average daylight: 3h and 0min).
- Average sunshine in September: 6h and 36min
The month with the most sunshine is May (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).
Average sunshine days in September
Nesna, Norway
- Average sunshine days in September: 9 days
The month with the most sunshine days is June (13.3 days).
The month with the least sunshine days is September (9 days).
Average UV index in September
Nesna, Norway
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in September
Nesna, Norway
- Average cloud cover in September: 56
The month with the most cloud cover is March (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 49).
Average visibility in September
Nesna, Norway
- Average visibility in September: 10km
The months with the highest visibility are June, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, July, October, November and December (9km).
