September weather forecastGravendal, Sweden
September
Weather in September
September, the first month of the autumn in Gravendal, is also a moderate month, with an average temperature fluctuating between 7.6°C (45.7°F) and 14.6°C (58.3°F).Temperature
Gravendal's weather subtly changes with the onset of September, barely falling from a comfortable 19.4°C (66.9°F) in August to a moderate 14.6°C (58.3°F). During September in Gravendal, the average low-temperature is recorded at a chilly 7.6°C (45.7°F).Humidity
In September, the average relative humidity in Gravendal is 81%.Rainfall
In September, in Gravendal, the rain falls for 14.1 days. Throughout September, 35mm (1.38") of precipitation is accumulated. Throughout the year, there are 147.3 rainfall days, and 507mm (19.96") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Gravendal, Sweden.Daylight
In September, the average length of the day is 12h and 52min.On the first day of the month, sunrise is at 05:58 and sunset at 20:05. On the last day of September, sunrise is at 07:06 and sunset at 18:37 CEST.
Sunshine
In Gravendal, Sweden, the average sunshine in September is 7.1h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: An average UV index of 3 in September transforms into this advice:
Act with care - The need to guard against sun damage is communicated. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gravendal, Sweden
- Average high temperature in September: 14.6°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 (-2.3°C).
- Average low temperature in September: 7.6°C
The month with the highest average low temperature is July (11.5°C).
The coldest month (with the lowest average low temperature) is February (-6.2°C).
Average pressure in September
Gravendal, Sweden
- Average pressure in September: 1013.1mbar
The month with the highest atmospheric pressure is May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1007.6mbar).
Average wind speed in September
Gravendal, Sweden
- Average wind speed in September: 11.3km/h
The windiest month (with the highest average wind speed) is December (12.4km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).
Average humidity in September
Gravendal, Sweden
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (92%).
The months with the lowest relative humidity are May and June (70%).
Average rainfall in September
Gravendal, Sweden
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is July (64mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in September
Gravendal, Sweden
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is August (19.8 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in September
Gravendal, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is March (199mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Gravendal, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Gravendal, Sweden
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in September: 7h and 6min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 1h and 54min).
Average sunshine days in September
Gravendal, Sweden
- Average sunshine days in September: 12.8 days
The month with the most sunshine days is April (15 days).
The month with the least sunshine days is August (9.3 days).
Average UV index in September
Gravendal, 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, February and December (UV index 1).
Average cloud cover in September
Gravendal, Sweden
- Average cloud cover in September: 53
The month with the most cloud cover is February (Cloud cover 73).
The month with the least cloud cover is June (Cloud cover 47).
Average visibility in September
Gravendal, 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 (6km).
