September weather forecastDrammen, Norway
September
Weather in September
September sets the stage for fall in Drammen, Norway. A significant dip in temperature from August's high of 18.8°C (65.8°F) is observed, paving the way for the crispness of autumn. Fall's elegant charm starts to replace the residual warmth of summer, creating an ideal blend. Exploring city parks filled with vividly colored leaves becomes a popular activity. The month of September, rich in its autumnal treasure trove, offers a distinct glimmer in the city's seasonal cycle.Temperature
During the shift to September, Drammen records a mild decrease in average high-temperature, moving from an enjoyable 18.8°C (65.8°F) in August to a moderate 14.6°C (58.3°F). Drammen, during the month of September, experiences an average low-temperature of 7.2°C (45°F).Humidity
The average relative humidity in September in Drammen is 80%.Rainfall
In September, in Drammen, the rain falls for 10.8 days. Throughout September, 35mm (1.38") of precipitation is accumulated. In Drammen, during the entire year, the rain falls for 123.4 days and collects up to 384mm (15.12") of precipitation.Snowfall
In Drammen, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 51min.On the first day of September in Drammen, sunrise is at 06:16 and sunset at 20:21. On the last day of the month, sunrise is at 07:23 and sunset at 18:54 CEST.
Sunshine
In September, the average sunshine in Drammen is 7.8h.UV index
The average daily maximum UV index in September in Drammen is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Drammen, Norway
- Average high temperature in September: 14.6°C
The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is January (-2.4°C).
- Average low temperature in September: 7.2°C
The month with the highest average low temperature is July (10.6°C).
The coldest months (with the lowest average low temperature) are January and February (-7.2°C).
Average pressure in September
Drammen, Norway
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is April (1014.5mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in September
Drammen, Norway
- Average wind speed in September: 9.6km/h
The windiest months (with the highest average wind speed) are January and December (10.6km/h).
The calmest month (with the lowest average wind speed) is August (8.4km/h).
Average humidity in September
Drammen, Norway
- Average humidity in September: 80%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (70%).
Average rainfall in September
Drammen, Norway
- Average rainfall in September: 35mm
The wettest months (with the highest rainfall) are July and November (42mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Drammen, Norway
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is July (15.2 days).
The months with the least rainy days are January and February (4.8 days).
Average snowfall in September
Drammen, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is March (113mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Drammen, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Drammen, Norway
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The months with the least sunshine are January and December (Average sunshine: 3h and 24min).
Average sunshine days in September
Drammen, Norway
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is April (19.1 days).
The month with the least sunshine days is July (13.5 days).
Average UV index in September
Drammen, 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 and February (UV index 1).
Average cloud cover in September
Drammen, Norway
- Average cloud cover in September: 46
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is June (Cloud cover 43).
Average visibility in September
Drammen, Norway
- Average visibility in September: 8km
The months with the highest visibility are April, May, June and July (9km).
The months with the lowest visibility are January, February and March (7km).





