September weather forecastSistranda, Norway
September
Weather in September
The first month of the autumn, September, is also a moderate month in Sistranda, Norway, with an average temperature varying between 11.2°C (52.2°F) and 13.3°C (55.9°F).Temperature
September welcomes an average high-temperature of a still mild 13.3°C (55.9°F), not much different from the preceding month. The nighttime temperature in September experiences a minor dip, averaging a cool 11.2°C (52.2°F).Humidity
In Sistranda, the average relative humidity in September is 78%.Rainfall
In Sistranda, Norway, in September, it is raining for 17.3 days, with typically 54mm (2.13") of accumulated precipitation. Throughout the year, there are 184.1 rainfall days, and 671mm (26.42") of precipitation is accumulated.Snowfall
In Sistranda, Norway, snow does not fall in June through September.Sea temperature
In Sistranda, in September, the average water temperature is 12.9°C (55.2°F).Note: Navigating the 12.9°C (55.2°F) at 13°C (55.4°F) is no joy, and temperatures less than 10°C (50°F) can threaten breathing and cause a chilling shock, gauging personal stamina.
Daylight
In Sistranda, the average length of the day in September is 13h and 0min.On the first day of September in Sistranda, Norway, sunrise is at 06:10 and sunset at 20:38. On the last day of the month, sunrise is at 07:31 and sunset at 18:57 CEST.
Sunshine
The average sunshine in September in Sistranda is 7h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sistranda, Norway
- Average high temperature in September: 13.3°C
The warmest month (with the highest average high temperature) is August (14.6°C).
The months with the lowest average high temperature are January and February (4.3°C).
- Average low temperature in September: 11.2°C
The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is February (2°C).
Average pressure in September
Sistranda, Norway
- Average pressure in September: 1009.6mbar
The month with the highest atmospheric pressure is May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1001.7mbar).
Average wind speed in September
Sistranda, Norway
- Average wind speed in September: 24.1km/h
The windiest month (with the highest average wind speed) is December (32.1km/h).
The calmest month (with the lowest average wind speed) is August (19.3km/h).
Average humidity in September
Sistranda, Norway
- Average humidity in September: 78%
The month with the highest relative humidity is July (82%).
The months with the lowest relative humidity are January, March, October, November and December (73%).
Average rainfall in September
Sistranda, Norway
- Average rainfall in September: 54mm
The wettest month (with the highest rainfall) is December (90mm).
The driest month (with the least rainfall) is June (26mm).
Average rainfall days in September
Sistranda, Norway
- Average rainfall days in September: 17.3 days
The month with the highest number of rainy days is December (18.5 days).
The month with the least rainy days is June (11.5 days).
Average snowfall in September
Sistranda, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is March (72mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Sistranda, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in September
Sistranda, Norway
- Average sea temperature in September: 12.9°C
The best month for swimming (with the highest average sea temperature) is August (14°C).
The coldest month (with the lowest average sea temperature) is March (5.8°C).
Average daylight in September /
Average sunshine in September
Sistranda, Norway
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 36min).
The month with the shortest days is December (Average daylight: 4h and 36min).
- Average sunshine in September: 7h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).
Average sunshine days in September
Sistranda, Norway
- Average sunshine days in September: 11.5 days
The month with the most sunshine days is July (16.5 days).
The month with the least sunshine days is March (6.8 days).
Average UV index in September
Sistranda, 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
Sistranda, Norway
- Average cloud cover in September: 53
The month with the most cloud cover is March (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 50).
Average visibility in September
Sistranda, 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).





