September weather forecastVivalla, Sweden
September
Weather in September
The first month of the autumn, September, is also a moderate month in Vivalla, Sweden, with an average temperature fluctuating between 15.8°C (60.4°F) and 8.6°C (47.5°F).Temperature
The arrival of September suggests a slight decrease in the average high-temperature, moving from an agreeable 20.4°C (68.7°F) in August to a mild 15.8°C (60.4°F). An average low-temperature of 8.6°C (47.5°F) is expected during September.Humidity
In Vivalla, the average relative humidity in September is 80%.Rainfall
In Vivalla, Sweden, in September, during 9 rainfall days, 13mm (0.51") of precipitation is typically accumulated. Throughout the year, there are 104.5 rainfall days, and 149mm (5.87") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Vivalla is 12h and 50min.On the first day of September, sunrise is at 05:57 and sunset at 20:00. On the last day of the month, sunrise is at 07:03 and sunset at 18:34 CEST.
Sunshine
In September, the average sunshine in Vivalla is 7.6h.UV index
In Vivalla, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 3 in September translates into this advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. 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
Vivalla, Sweden
- Average high temperature in September: 15.8°C
The warmest month (with the highest average high temperature) is July (21.8°C).
The month with the lowest average high temperature is January (-1.1°C).
- Average low temperature in September: 8.6°C
The month with the highest average low temperature is July (12.3°C).
The coldest months (with the lowest average low temperature) are January and February (-4.5°C).
Average pressure in September
Vivalla, Sweden
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1008.1mbar).
Average wind speed in September
Vivalla, Sweden
- Average wind speed in September: 11.8km/h
The windiest month (with the highest average wind speed) is December (12.8km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in September
Vivalla, Sweden
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (69%).
Average rainfall in September
Vivalla, Sweden
- Average rainfall in September: 13mm
The wettest month (with the highest rainfall) is July (20mm).
The driest month (with the least rainfall) is April (6mm).
Average rainfall days in September
Vivalla, Sweden
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is July (13.6 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in September
Vivalla, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is March (39mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Vivalla, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Vivalla, Sweden
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in September: 7h and 36min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).
Average sunshine days in September
Vivalla, Sweden
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is March (19 days).
The months with the least sunshine days are February and December (15.4 days).
Average UV index in September
Vivalla, Sweden
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in September
Vivalla, Sweden
- Average cloud cover in September: 49
The month with the most cloud cover is February (Cloud cover 71).
The month with the least cloud cover is June (Cloud cover 43).
Average visibility in September
Vivalla, Sweden
- Average visibility in September: 8km
The months with the highest visibility are April, May, June, July and August (9km).
The months with the lowest visibility are January and February (7km).
