September weather forecastAlvas, Sweden
September
Weather in September
September, the first month of the autumn in Alvas, is still a refreshing month, with an average temperature ranging between min 9.7°C (49.5°F) and max 15.9°C (60.6°F).Temperature
As September begins, there is a minor decrease in the average high-temperature, softly falling from an enjoyable 19.7°C (67.5°F) in August to a mild 15.9°C (60.6°F). Alvas observes an average low-temperature of 9.7°C (49.5°F) during September.Humidity
The average relative humidity in September in Alvas is 80%.Rainfall
In September, the rain falls for 14.8 days. Throughout September, 37mm (1.46") of precipitation is accumulated. In Alvas, during the entire year, the rain falls for 170 days and collects up to 502mm (19.76") of precipitation.Snowfall
In Alvas, Sweden, snow does not fall in June through September.Daylight
In Alvas, the average length of the day in September is 12h and 49min.On the first day of the month, sunrise is at 06:11 and sunset at 20:10. On the last day of September, sunrise is at 07:14 and sunset at 18:47 CEST.
Sunshine
In September, the average sunshine in Alvas is 7.7h.UV index
The average daily maximum UV index in September in Alvas is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Alvas, Sweden
- Average high temperature in September: 15.9°C
The warmest month (with the highest average high temperature) is July (20.8°C).
The month with the lowest average high temperature is January (0.6°C).
- Average low temperature in September: 9.7°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 (-2.9°C).
Average pressure in September
Alvas, Sweden
- Average pressure in September: 1013.5mbar
The months with the highest atmospheric pressure are April and May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1008.4mbar).
Average wind speed in September
Alvas, Sweden
- Average wind speed in September: 13.5km/h
The windiest month (with the highest average wind speed) is December (14.9km/h).
The calmest months (with the lowest average wind speed) are June and July (12km/h).
Average humidity in September
Alvas, Sweden
- Average humidity in September: 80%
The months with the highest relative humidity are January, February, November and December (88%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Alvas, Sweden
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is August (55mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Alvas, Sweden
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is August (18.9 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in September
Alvas, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (80mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Alvas, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Alvas, Sweden
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in September
Alvas, Sweden
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is April (15.6 days).
The month with the least sunshine days is December (9.5 days).
Average UV index in September
Alvas, Sweden
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Alvas, Sweden
- Average cloud cover in September: 47
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in September
Alvas, Sweden
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, November and December (8km).





