September weather forecastPortør, Norway
September
Weather in September
September, the first month of the autumn in Portør, is also a moderate month, with an average temperature fluctuating between 15.6°C (60.1°F) and 11.3°C (52.3°F).Temperature
September's presence marks an average high-temperature of a still refreshing 15.6°C (60.1°F), subtly varied from August's 18.4°C (65.1°F). September nights anticipate an average temperature of 11.3°C (52.3°F), a modest decline from the daytime.Humidity
The average relative humidity in September is 76%.Rainfall
In September, in Portør, the rain falls for 13.3 days. Throughout September, 70mm (2.76") of precipitation is accumulated. In Portør, Norway, during the entire year, the rain falls for 140.8 days and collects up to 704mm (27.72") of precipitation.Snowfall
In Portør, Norway, snow does not fall in May through October.Daylight
In September, the average length of the day in Portør is 12h and 49min.On the first day of the month, sunrise is at 06:21 and sunset at 20:22. On the last day of September, in Portør, sunrise is at 07:26 and sunset at 18:58 CEST.
Sunshine
The average sunshine in September in Portør, Norway, is 8h.UV index
The average daily maximum UV index in September in Portør is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Portør, Norway
- Average high temperature in September: 15.6°C
The warmest month (with the highest average high temperature) is July (18.9°C).
The month with the lowest average high temperature is February (1°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is February (-1.8°C).
Average pressure in September
Portør, Norway
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is April (1014.5mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).
Average wind speed in September
Portør, Norway
- Average wind speed in September: 19km/h
The windiest months (with the highest average wind speed) are November and December (21.8km/h).
The calmest month (with the lowest average wind speed) is June (15.5km/h).
Average humidity in September
Portør, Norway
- Average humidity in September: 76%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Portør, Norway
- Average rainfall in September: 70mm
The wettest month (with the highest rainfall) is November (83mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in September
Portør, Norway
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is November (14.4 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in September
Portør, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is January (142mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Portør, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (10.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Portør, Norway
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in September: 8h and 0min
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 12min).
Average sunshine days in September
Portør, Norway
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is April (19.2 days).
The month with the least sunshine days is November (11.4 days).
Average UV index in September
Portør, Norway
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Portør, Norway
- Average cloud cover in September: 43
The month with the most cloud cover is November (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in September
Portør, Norway
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).
