September weather forecastNotviken, Sweden
September
Weather in September
The first month of the autumn, September, is still a cool month in Notviken, Sweden, with temperature in the range of an average low of 8.6°C (47.5°F) and an average high of 12.5°C (54.5°F).Temperature
A moderate decline in average high-temperatures is noted in September, moving from a refreshing 16.6°C (61.9°F) in August to a fresh 12.5°C (54.5°F). September nights in Notviken reflect a consistent temperature dip to a chilly 8.6°C (47.5°F), a slight descent from daytime peaks.Humidity
The average relative humidity in September in Notviken is 79%.Rainfall
In Notviken, in September, during 12.5 rainfall days, 36mm (1.42") of precipitation is typically accumulated. Throughout the year, in Notviken, there are 110.8 rainfall days, and 409mm (16.1") of precipitation is accumulated.Snowfall
In Notviken, snow does not fall in June through September.Daylight
In Notviken, the average length of the day in September is 13h and 5min.On the first day of the month, sunrise is at 05:10 and sunset at 19:52. On the last day of September, in Notviken, Sweden, sunrise is at 06:40 and sunset at 18:02 CEST.
Sunshine
The average sunshine in September is 7.3h.UV index
In Notviken, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 3 in September interprets into the following advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Notviken, Sweden
- Average high temperature in September: 12.5°C
The warmest month (with the highest average high temperature) is July (17.3°C).
The month with the lowest average high temperature is January (-5.7°C).
- Average low temperature in September: 8.6°C
The month with the highest average low temperature is July (13°C).
The coldest month (with the lowest average low temperature) is February (-10.6°C).
Average pressure in September
Notviken, Sweden
- Average pressure in September: 1010.9mbar
The month with the highest atmospheric pressure is May (1014mbar).
The month with the lowest atmospheric pressure is December (1004.8mbar).
Average wind speed in September
Notviken, Sweden
- Average wind speed in September: 16.4km/h
The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is April (13km/h).
Average humidity in September
Notviken, 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 (70%).
Average rainfall in September
Notviken, Sweden
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is December (46mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Notviken, Sweden
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is August (13.9 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in September
Notviken, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is December (178mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Notviken, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Notviken, Sweden
- Average daylight in September: 13h and 6min
The month with the longest days is June (Average daylight: 22h and 30min).
The month with the shortest days is December (Average daylight: 3h and 30min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is July (Average sunshine: 12h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).
Average sunshine days in September
Notviken, Sweden
- Average sunshine days in September: 15.1 days
The months with the most sunshine days are June and October (16.5 days).
The month with the least sunshine days is December (11.6 days).
Average UV index in September
Notviken, 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
Notviken, Sweden
- Average cloud cover in September: 47
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in September
Notviken, Sweden
- Average visibility in September: 10km
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March and April (7km).
