September weather forecastFarsta, Sweden
September
Weather in September
The first month of the autumn, September, is also a moderate month in Farsta, Sweden, with an average temperature varying between 10.4°C (50.7°F) and 15.6°C (60.1°F).Temperature
The arrival of September suggests a slight decrease in the average high-temperature, moving from a pleasant 20.2°C (68.4°F) in August to a mild 15.6°C (60.1°F). Farsta temperatures generally rest at a low of 10.4°C (50.7°F) during the September nights.Humidity
The average relative humidity in September in Farsta is 79%.Rainfall
In September, the rain falls for 6.5 days. Throughout September, 5mm (0.2") of precipitation is accumulated. Throughout the year, there are 73.9 rainfall days, and 85mm (3.35") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Farsta, Sweden.Daylight
In Farsta, the average length of the day in September is 12h and 50min.On the first day of September in Farsta, sunrise is at 05:45 and sunset at 19:49. On the last day of the month, sunrise is at 06:51 and sunset at 18:23 CEST.
Sunshine
The average sunshine in September is 8.2h.UV index
In Farsta, 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 rays for the average person.Note: In September, a regular UV index of 3 translates into these guidelines:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Farsta, Sweden
- Average high temperature in September: 15.6°C
The warmest month (with the highest average high temperature) is July (21°C).
The month with the lowest average high temperature is January (-0.2°C).
- Average low temperature in September: 10.4°C
The month with the highest average low temperature is July (13.5°C).
The coldest month (with the lowest average low temperature) is January (-3.3°C).
Average pressure in September
Farsta, Sweden
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).
Average wind speed in September
Farsta, Sweden
- Average wind speed in September: 14.9km/h
The windiest month (with the highest average wind speed) is December (19.5km/h).
The calmest months (with the lowest average wind speed) are July and August (13.1km/h).
Average humidity in September
Farsta, Sweden
- Average humidity in September: 79%
The months with the highest relative humidity are January, February, November and December (87%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Farsta, Sweden
- Average rainfall in September: 5mm
The wettest month (with the highest rainfall) is July (10mm).
The driest month (with the least rainfall) is April (3mm).
Average rainfall days in September
Farsta, Sweden
- Average rainfall days in September: 6.5 days
The month with the highest number of rainy days is July (8.1 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in September
Farsta, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (20mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Farsta, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Farsta, 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 18min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is June (Average sunshine: 12h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in September
Farsta, Sweden
- Average sunshine days in September: 21.8 days
The month with the most sunshine days is March (22.8 days).
The month with the least sunshine days is December (18.1 days).
Average UV index in September
Farsta, 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
Farsta, Sweden
- Average cloud cover in September: 42
The month with the most cloud cover is February (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in September
Farsta, Sweden
- Average visibility in September: 9km
The months with the highest visibility are April, June, July and August (10km).
The months with the lowest visibility are January, February, March, May, September, October, November and December (9km).
