September weather forecastRåcksta, Sweden
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Råcksta, Sweden, with an average temperature varying between 16°C (60.8°F) and 9.7°C (49.5°F).Temperature
With the beginning of September, the average high-temperature shows a small decrease, transitioning from an agreeable 20.6°C (69.1°F) in August to a refreshing 16°C (60.8°F). In Råcksta, the expected average low-temperature for September is a frosty 9.7°C (49.5°F).Humidity
In September, the average relative humidity is 80%.Rainfall
In September, the rain falls for 12 days. Throughout September, 20mm (0.79") of precipitation is accumulated. Throughout the year, there are 133 rainfall days, and 295mm (11.61") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Råcksta, the average length of the day in September is 12h and 50min.On the first day of September, sunrise is at 05:46 and sunset at 19:50. On the last day of the month, sunrise is at 06:52 and sunset at 18:24 CEST.
Sunshine
In Råcksta, the average sunshine in September is 8.2h.UV index
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 ordinary individuals.Note: A daily high UV index of 3 in September leads to these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Råcksta, Sweden
- Average high temperature in September: 16°C
The warmest month (with the highest average high temperature) is July (21.4°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in September: 9.7°C
The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-3.5°C).
Average pressure in September
Råcksta, Sweden
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in September
Råcksta, Sweden
- Average wind speed in September: 14.1km/h
The windiest month (with the highest average wind speed) is December (18.4km/h).
The calmest months (with the lowest average wind speed) are July and August (12.5km/h).
Average humidity in September
Råcksta, Sweden
- Average humidity in September: 80%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Råcksta, Sweden
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is July (36mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in September
Råcksta, Sweden
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in September
Råcksta, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (76mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Råcksta, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Råcksta, 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: 8h and 12min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in September
Råcksta, Sweden
- Average sunshine days in September: 15 days
The month with the most sunshine days is May (15.8 days).
The months with the least sunshine days are February and August (12.8 days).
Average UV index in September
Råcksta, 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
Råcksta, Sweden
- Average cloud cover in September: 42
The months with the most cloud cover are January, February and December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Råcksta, Sweden
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
