September weather forecastGråbo, Sweden
September
Weather in September
September, the first month of the autumn in Gråbo, is still a refreshing month, with an average temperature varying between 16°C (60.8°F) and 9.8°C (49.6°F).Temperature
September's onset introduces a mild reduction in the average high-temperature, from 19.6°C (67.3°F) in August to a still comfortable 16°C (60.8°F). During September, Gråbo experiences a consistent low-temperature average of 9.8°C (49.6°F).Humidity
The average relative humidity in September in Gråbo, Sweden, is 81%.Rainfall
In Gråbo, in September, it is raining for 16.4 days, with typically 47mm (1.85") of accumulated precipitation. Throughout the year, there are 172.1 rainfall days, and 500mm (19.69") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Gråbo, the average length of the day in September is 12h and 47min.On the first day of September in Gråbo, sunrise is at 06:12 and sunset at 20:08. On the last day of the month, sunrise is at 07:13 and sunset at 18:47 CEST.
Sunshine
In September, the average sunshine in Gråbo is 7.4h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gråbo, Sweden
- Average high temperature in September: 16°C
The warmest month (with the highest average high temperature) is July (20.6°C).
The month with the lowest average high temperature is January (0.8°C).
- Average low temperature in September: 9.8°C
The months with the highest average low temperature are July and August (12.3°C).
The coldest month (with the lowest average low temperature) is February (-2.7°C).
Average pressure in September
Gråbo, Sweden
- Average pressure in September: 1013.8mbar
The month with the highest atmospheric pressure is April (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.8mbar).
Average wind speed in September
Gråbo, Sweden
- Average wind speed in September: 14km/h
The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is August (12.4km/h).
Average humidity in September
Gråbo, Sweden
- Average humidity in September: 81%
The months with the highest relative humidity are January, February and December (89%).
The months with the lowest relative humidity are April and May (73%).
Average rainfall in September
Gråbo, Sweden
- Average rainfall in September: 47mm
The wettest month (with the highest rainfall) is August (57mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Gråbo, Sweden
- Average rainfall days in September: 16.4 days
The month with the highest number of rainy days is August (19.6 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in September
Gråbo, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (77mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Gråbo, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Gråbo, Sweden
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 0min).
The month with the shortest days is December (Average daylight: 6h and 36min).
- Average sunshine in September: 7h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in September
Gråbo, Sweden
- Average sunshine days in September: 10.5 days
The month with the most sunshine days is April (15.4 days).
The month with the least sunshine days is August (9.2 days).
Average UV index in September
Gråbo, Sweden
- Average UV index in September: 3
The months with the highest UV index are May, June and July (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Gråbo, Sweden
- Average cloud cover in September: 49
The months with the most cloud cover are February, November and December (Cloud cover 66).
The month with the least cloud cover is June (Cloud cover 41).
Average visibility in September
Gråbo, Sweden
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January and February (8km).
