Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Stora Mellby's September weather shows a modest shift in high-temperatures, falling from August's enjoyable 19.8°C (67.6°F) to a still refreshing 15.7°C (60.3°F). Throughout the month of September, Stora Mellby reports a steady low-temperature average of 9.2°C (48.6°F).Humidity
In Stora Mellby, the average relative humidity in September is 81%.Rainfall
In September, the rain falls for 14.7 days. Throughout September, 38mm (1.5") of precipitation is accumulated. In Stora Mellby, during the entire year, the rain falls for 165.8 days and collects up to 487mm (19.17") of precipitation.Snowfall
In Stora Mellby, snow does not fall in June through September.Daylight
In Stora Mellby, Sweden, the average length of the day in September is 12h and 48min.On the first day of the month, sunrise is at 06:10 and sunset at 20:08. On the last day of September, in Stora Mellby, sunrise is at 07:12 and sunset at 18:46 CEST.
Sunshine
In September, the average sunshine is 7.5h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Put precautions into practice - Guidance to elude sunburn is provided. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
What are the temperatures in Stora Mellby in September?
What is the average humidity in September in Stora Mellby?
How many days does it rain in September in Stora Mellby?
When it does not snow in Stora Mellby?
Does it snow in Stora Mellby in September?
How many hours of daylight does Stora Mellby have in September?
When is the sunrise / sunset in September in Stora Mellby?
How many hours of sunshine does Stora Mellby have in September?
What is the UV index intensity in September in Stora Mellby?
Average temperature in September
Stora Mellby, Sweden
- Average high temperature in September: 15.7°C
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in September: 9.2°C
The month with the highest average low temperature is July (12°C).
The coldest month (with the lowest average low temperature) is February (-3.3°C).
Average pressure in September
Stora Mellby, Sweden
- Average pressure in September: 1013.7mbar
The months with the highest atmospheric pressure are April and May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1008.6mbar).
Average wind speed in September
Stora Mellby, Sweden
- Average wind speed in September: 13.5km/h
The windiest month (with the highest average wind speed) is December (15.6km/h).
The calmest month (with the lowest average wind speed) is July (11.9km/h).
Average humidity in September
Stora Mellby, Sweden
- Average humidity in September: 81%
The months with the highest relative humidity are January, February, November and December (89%).
The months with the lowest relative humidity are April and May (72%).
Average rainfall in September
Stora Mellby, Sweden
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Stora Mellby, Sweden
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is August (18 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in September
Stora Mellby, Sweden
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (98mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Stora Mellby, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Stora Mellby, Sweden
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 6min).
The month with the shortest days is December (Average daylight: 6h and 36min).
- Average sunshine in September: 7h and 3min
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 18min).
Average sunshine days in September
Stora Mellby, Sweden
- Average sunshine days in September: 12 days
The month with the most sunshine days is April (15 days).
The month with the least sunshine days is December (9.8 days).
Average UV index in September
Stora Mellby, Sweden
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Stora Mellby, Sweden
- Average cloud cover in September: 49
The month with the most cloud cover is December (Cloud cover 67).
The months with the least cloud cover are April, May, June and July (Cloud cover 43).
Average visibility in September
Stora Mellby, 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).
Stora Mellby, Sweden
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