September weather forecastHörnefors, Sweden
September
Weather in September
September, the first month of the autumn in Hörnefors, is still a mild month, with temperature in the range of an average high of 13.5°C (56.3°F) and an average low of 8.4°C (47.1°F).Temperature
The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from an enjoyable 17.8°C (64°F) to a mild 13.5°C (56.3°F). Hörnefors, in the month of September, anticipates a consistent average low-temperature of 8.4°C (47.1°F).Humidity
The average relative humidity in September in Hörnefors is 79%.Rainfall
In September, in Hörnefors, the rain falls for 10.9 days. Throughout September, 23mm (0.91") of precipitation is accumulated. In Hörnefors, during the entire year, the rain falls for 106.2 days and collects up to 345mm (13.58") of precipitation.Snowfall
In Hörnefors, snow does not fall in June through September.Sea temperature
In Hörnefors, Sweden, in September, the average water temperature is 13.3°C (55.9°F).Note: Navigating the 13.3°C (55.9°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 September, the average length of the day is 13h and 0min.On the first day of September in Hörnefors, sunrise is at 05:26 and sunset at 19:54. On the last day of the month, sunrise is at 06:47 and sunset at 18:12 CEST.
Sunshine
The average sunshine in September in Hörnefors is 7.9h.UV index
In September, the average daily maximum UV index in Hörnefors is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hörnefors, Sweden
- Average high temperature in September: 13.5°C
The warmest month (with the highest average high temperature) is July (18.5°C).
The month with the lowest average high temperature is February (-3.3°C).
- Average low temperature in September: 8.4°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is February (-7.5°C).
Average pressure in September
Hörnefors, Sweden
- Average pressure in September: 1011.6mbar
The month with the highest atmospheric pressure is May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1005.4mbar).
Average wind speed in September
Hörnefors, Sweden
- Average wind speed in September: 14.1km/h
The windiest month (with the highest average wind speed) is December (17.1km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in September
Hörnefors, Sweden
- Average humidity in September: 79%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is June (69%).
Average rainfall in September
Hörnefors, Sweden
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is December (40mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Hörnefors, Sweden
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in September
Hörnefors, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (171mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Hörnefors, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in September
Hörnefors, Sweden
- Average sea temperature in September: 13.3°C
The best month for swimming (with the highest average sea temperature) is August (16.8°C).
The coldest month (with the lowest average sea temperature) is March (-0.1°C).
Average daylight in September /
Average sunshine in September
Hörnefors, Sweden
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 30min).
The month with the shortest days is December (Average daylight: 4h and 36min).
- Average sunshine in September: 7h and 54min
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 30min).
Average sunshine days in September
Hörnefors, Sweden
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is June (18.7 days).
The month with the least sunshine days is January (11 days).
Average UV index in September
Hörnefors, 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, November and December (UV index 1).
Average cloud cover in September
Hörnefors, Sweden
- Average cloud cover in September: 45
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in September
Hörnefors, Sweden
- Average visibility in September: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February and March (8km).
