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
The arrival of September suggests a slight decrease in the average high-temperature, moving from an agreeable 20.7°C (69.3°F) in August to an enjoyable 16.1°C (61°F). Throughout September, an average low-temperature of 8.9°C (48°F) is experienced in Tortuna, Sweden.Humidity
In Tortuna, the average relative humidity in September is 79%.Rainfall
In Tortuna, in September, it is raining for 8.1 days, with typically 15mm (0.59") of accumulated precipitation. In Tortuna, during the entire year, the rain falls for 105.3 days and collects up to 174mm (6.85") of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 51min.On the first day of the month, sunrise is at 05:50 and sunset at 19:55. On the last day of September, sunrise is at 06:57 and sunset at 18:28 CEST.
Sunshine
The average sunshine in September is 8h.UV index
In Tortuna, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Frequently asked questions
What is the usual temperature for Tortuna in September?
What is the average humidity in September in Tortuna?
How many days does it rain in September in Tortuna?
When it does not snow in Tortuna?
Does it snow in Tortuna in September?
How many hours of daylight does Tortuna have in September?
When is the sunrise / sunset in September in Tortuna?
How long on average sun shines in September in Tortuna?
What is the UV index intensity in September in Tortuna?
Average temperature in September
Tortuna, Sweden
- Average high temperature in September: 16.1°C
The warmest month (with the highest average high temperature) is July (21.5°C).
The month with the lowest average high temperature is January (-1.2°C).
- Average low temperature in September: 8.9°C
The month with the highest average low temperature is July (12.5°C).
The coldest months (with the lowest average low temperature) are January and February (-4.9°C).
Average pressure in September
Tortuna, Sweden
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1007.7mbar).
Average wind speed in September
Tortuna, Sweden
- Average wind speed in September: 12.5km/h
The windiest month (with the highest average wind speed) is December (15.2km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in September
Tortuna, Sweden
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Tortuna, Sweden
- Average rainfall in September: 15mm
The wettest month (with the highest rainfall) is July (25mm).
The driest months (with the least rainfall) are February and April (9mm).
Average rainfall days in September
Tortuna, Sweden
- Average rainfall days in September: 8.1 days
The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is January (4 days).
Average snowfall in September
Tortuna, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (39mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Tortuna, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (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
Tortuna, Sweden
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in September: 8h and 0min
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
Tortuna, Sweden
- Average sunshine days in September: 19.2 days
The month with the most sunshine days is September (19.2 days).
The month with the least sunshine days is July (14.4 days).
Average UV index in September
Tortuna, 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
Tortuna, Sweden
- Average cloud cover in September: 46
The month with the most cloud cover is February (Cloud cover 67).
The months with the least cloud cover are June and July (Cloud cover 42).
Average visibility in September
Tortuna, 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).
Tortuna, Sweden
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