September weather forecastBogen, Norway
September
Weather in September
The first month of the autumn, September, is still a cool month in Bogen, Norway, with temperature in the range of an average high of 10.8°C (51.4°F) and an average low of 6.4°C (43.5°F).Temperature
The transition into September involves a small decrease in the average high-temperature, dipping slightly from a moderate 14.3°C (57.7°F) in August to a fresh 10.8°C (51.4°F). September's average low temperature in Bogen is a frosty 6.4°C (43.5°F), displaying a subtle drop from its daily peak.Humidity
In September, the average relative humidity in Bogen, Norway, is 80%.Rainfall
In September, in Bogen, the rain falls for 18.5 days. Throughout September, 71mm (2.8") of precipitation is accumulated. In Bogen, during the entire year, the rain falls for 148.8 days and collects up to 851mm (33.5") of precipitation.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.6 snowfall days, it receives 4mm (0.16") of snow. Throughout the year, in Bogen, there are 92.6 snowfall days, and 2144mm (84.41") of snow is accumulated.Sea temperature
In Bogen, the average seawater temperature in September is 10.7°C (51.3°F).Note: Swimming in 10.7°C (51.3°F) feels unbearing at 13°C (55.4°F) and can be life-risking below 10°C (50°F), causing breathing issues and cold shock, depending on a person's capacity.
Daylight
In September, the average length of the day in Bogen is 13h and 15min.On the first day of the month, sunrise is at 05:17 and sunset at 20:25. On the last day of September, sunrise is at 07:04 and sunset at 18:19 CEST.
Sunshine
In Bogen, the average sunshine in September is 6.3h.UV index
The average daily maximum UV index in September in Bogen is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 2 in September transforms into the following instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bogen, Norway
- Average high temperature in September: 10.8°C
The warmest month (with the highest average high temperature) is July (15.1°C).
The month with the lowest average high temperature is January (-3°C).
- Average low temperature in September: 6.4°C
The month with the highest average low temperature is July (9.2°C).
The coldest month (with the lowest average low temperature) is February (-7.8°C).
Average pressure in September
Bogen, Norway
- Average pressure in September: 1009.1mbar
The month with the highest atmospheric pressure is May (1014mbar).
The month with the lowest atmospheric pressure is December (1001.4mbar).
Average wind speed in September
Bogen, Norway
- Average wind speed in September: 10.8km/h
The windiest month (with the highest average wind speed) is March (14.4km/h).
The calmest months (with the lowest average wind speed) are July and August (9.5km/h).
Average humidity in September
Bogen, Norway
- Average humidity in September: 80%
The month with the highest relative humidity is April (88%).
The month with the lowest relative humidity is July (76%).
Average rainfall in September
Bogen, Norway
- Average rainfall in September: 71mm
The wettest month (with the highest rainfall) is December (91mm).
The driest month (with the least rainfall) is May (51mm).
Average rainfall days in September
Bogen, Norway
- Average rainfall days in September: 18.5 days
The month with the highest number of rainy days is September (18.5 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in September
Bogen, Norway
- Average snowfall in September: 4mm
The month with the highest snowfall is March (508mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Bogen, Norway
- Average snowfall days in September: 0.6 days
The month with the highest number of snowfall days is March (17.5 days).
The months with the least snowfall days are July and August (0 days).
Average sea temperature in September
Bogen, Norway
- Average sea temperature in September: 10.7°C
The best month for swimming (with the highest average sea temperature) is August (12.3°C).
The coldest month (with the lowest average sea temperature) is March (3.8°C).
Average daylight in September /
Average sunshine in September
Bogen, Norway
- Average daylight in September: 13h and 18min
The month with the longest days is August (Average daylight: 17h and 36min).
The month with the shortest days is June (Average daylight: 0h and 0min).
- Average sunshine in September: 6h and 18min
The month with the most sunshine is August (Average sunshine: 8h and 48min).
The month with the least sunshine is December (Average sunshine: 0h and 24min).
Average sunshine days in September
Bogen, Norway
- Average sunshine days in September: 9.6 days
The month with the most sunshine days is January (15.5 days).
The month with the least sunshine days is September (9.6 days).
Average UV index in September
Bogen, Norway
- Average UV index in September: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are February, March and November (UV index 1).
Average cloud cover in September
Bogen, Norway
- Average cloud cover in September: 58
The month with the most cloud cover is March (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 53).
Average visibility in September
Bogen, Norway
- Average visibility in September: 9km
The months with the highest visibility are January, February, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are March, April and May (8km).





