Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
As Norrfjärden enters September, the average high-temperature decreases from the a comfortable 18.1°C (64.6°F) of August to a moderate 13°C (55.4°F). During September, the temperature is averaged to a low of 7.3°C (45.1°F) at night.Humidity
The average relative humidity in September in Norrfjärden is 79%.Rainfall
In Norrfjärden, in September, during 10.5 rainfall days, 24mm (0.94") of precipitation is typically accumulated. Throughout the year, there are 93.1 rainfall days, and 277mm (10.91") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Norrfjärden is 13h and 5min.On the first day of the month, sunrise is at 05:13 and sunset at 19:54. On the last day of September, sunrise is at 06:42 and sunset at 18:05 CEST.
Sunshine
The average sunshine in September in Norrfjärden is 7.7h.UV index
The average daily maximum UV index in September in Norrfjärden is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Norrfjärden in September?
What is the average humidity in September in Norrfjärden?
How many days does it rain in September in Norrfjärden?
When it does not snow in Norrfjärden?
Does it snow in Norrfjärden in September?
How many hours of daylight does Norrfjärden have in September?
When are sunrise and sunset in September in Norrfjärden?
How many hours of sunshine does Norrfjärden have in September?
How high is the UV index in September in Norrfjärden?
Average temperature in September
Norrfjärden, Sweden
- Average high temperature in September: 13°C
The warmest month (with the highest average high temperature) is July (19°C).
The month with the lowest average high temperature is January (-5.8°C).
- Average low temperature in September: 7.3°C
The month with the highest average low temperature is July (12.1°C).
The coldest month (with the lowest average low temperature) is February (-10.7°C).
Average pressure in September
Norrfjärden, Sweden
- Average pressure in September: 1011mbar
The month with the highest atmospheric pressure is May (1014.1mbar).
The month with the lowest atmospheric pressure is December (1004.9mbar).
Average wind speed in September
Norrfjärden, Sweden
- Average wind speed in September: 12.9km/h
The windiest month (with the highest average wind speed) is December (14.1km/h).
The calmest month (with the lowest average wind speed) is July (11.2km/h).
Average humidity in September
Norrfjärden, Sweden
- Average humidity in September: 79%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is June (66%).
Average rainfall in September
Norrfjärden, Sweden
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is July (28mm).
The driest month (with the least rainfall) is February (18mm).
Average rainfall days in September
Norrfjärden, Sweden
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is August (11.3 days).
The month with the least rainy days is February (2.5 days).
Average snowfall in September
Norrfjärden, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (156mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Norrfjärden, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Norrfjärden, Sweden
- Average daylight in September: 13h and 1min
The month with the longest days is June (Average daylight: 22h and 12min).
The month with the shortest days is December (Average daylight: 3h and 36min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 54min).
The month with the least sunshine is December (Average sunshine: 1h and 24min).
Average sunshine days in September
Norrfjärden, Sweden
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is June (20.1 days).
The month with the least sunshine days is December (14.5 days).
Average UV index in September
Norrfjärden, Sweden
- 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, February, March, November and December (UV index 1).
Average cloud cover in September
Norrfjärden, Sweden
- Average cloud cover in September: 46
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in September
Norrfjärden, Sweden
- Average visibility in September: 9km
The months with the highest visibility are June and July (10km).
The months with the lowest visibility are January, February, March and April (7km).
