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
Start of September brings a slight shift in the average high-temperature, dipping a bit from August's agreeable 21.1°C (70°F) to a refreshing 16.3°C (61.3°F). Flottsund's average low-temperature is measured at a chilly 8.7°C (47.7°F) during September.Humidity
In September, the average relative humidity in Flottsund is 80%.Rainfall
In Flottsund, during September, the rain falls for 11.7 days and regularly aggregates up to 21mm (0.83") of precipitation. Throughout the year, in Flottsund, there are 133.9 rainfall days, and 332mm (13.07") of precipitation is accumulated.Snowfall
In Flottsund, snow does not fall in June through September.Daylight
The average length of the day in September in Flottsund is 12h and 52min.On the first day of September in Flottsund, sunrise is at 05:46 and sunset at 19:52. On the last day of the month, sunrise is at 06:53 and sunset at 18:24 CEST.
Sunshine
The average sunshine in September is 7.9h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In September, a regular UV index of 3 translates into these guidelines:
Ensure safety - Imperative it is to shield skin and eyes from damage. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Enhance your sun protection with tightly woven, yet airy clothing.
Frequently asked questions
What is the average September temperature in Flottsund?
What is the average humidity in September in Flottsund?
How many days does it rain in September in Flottsund?
When it does not snow in Flottsund?
Does it snow in Flottsund in September?
What is the average length of the day in September in Flottsund?
When are sunrise and sunset in September in Flottsund?
How long on average sun shines in September in Flottsund?
What is the UV index reading in September in Flottsund?
Average temperature in September
Flottsund, Sweden
- Average high temperature in September: 16.3°C
The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (-1°C).
- Average low temperature in September: 8.7°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is January (-4.9°C).
Average pressure in September
Flottsund, Sweden
- Average pressure in September: 1013.1mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1007.4mbar).
Average wind speed in September
Flottsund, Sweden
- Average wind speed in September: 11.1km/h
The windiest month (with the highest average wind speed) is December (13.3km/h).
The calmest months (with the lowest average wind speed) are July and August (10.3km/h).
Average humidity in September
Flottsund, Sweden
- Average humidity in September: 80%
The months with the highest relative humidity are January, February and December (90%).
The month with the lowest relative humidity is May (70%).
Average rainfall in September
Flottsund, Sweden
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is July (50mm).
The driest month (with the least rainfall) is February (15mm).
Average rainfall days in September
Flottsund, Sweden
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in September
Flottsund, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (90mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Flottsund, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Flottsund, 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: 7h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in September
Flottsund, Sweden
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is October (16.2 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in September
Flottsund, 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 March (UV index 1).
Average cloud cover in September
Flottsund, Sweden
- Average cloud cover in September: 48
The month with the most cloud cover is February (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 42).
Average visibility in September
Flottsund, Sweden
- Average visibility in September: 8km
The months with the highest visibility are April, May, June, July, August and October (9km).
The month with the lowest visibility is February (7km).
Flottsund, Sweden
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