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
September heralds a minor drop in average high-temperature, sliding from August's comfortable 18.7°C (65.7°F) to a moderate 14°C (57.2°F). An average low-temperature of 7.3°C (45.1°F) marks the month of September.Humidity
The average relative humidity in September is 79%.Rainfall
In Vattjom, during September, the rain falls for 11.7 days and regularly aggregates up to 32mm (1.26") of precipitation. Throughout the year, there are 117.2 rainfall days, and 384mm (15.12") of precipitation is accumulated.Snowfall
In Vattjom, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 57min.On the first day of September, sunrise is at 05:41 and sunset at 20:01. On the last day of the month, sunrise is at 06:57 and sunset at 18:25 CEST.
Sunshine
The average sunshine in September in Vattjom, Sweden, is 7.6h.UV index
In Vattjom, Sweden, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The UV index of 3 during September translates into the following guidance:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Vattjom in September?
What is the average humidity in September in Vattjom?
How much does it rain in Vattjom in September?
When it does not snow in Vattjom?
Does it snow in Vattjom in September?
What is the average length of the day in September in Vattjom?
When are sunrise and sunset in September in Vattjom?
How many hours of sunshine does Vattjom have in September?
What is the UV index reading in September in Vattjom?
Average temperature in September
Vattjom, Sweden
- Average high temperature in September: 14°C
The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is January (-3°C).
- Average low temperature in September: 7.3°C
The month with the highest average low temperature is July (11.4°C).
The coldest month (with the lowest average low temperature) is February (-6.9°C).
Average pressure in September
Vattjom, Sweden
- Average pressure in September: 1011.9mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1005.9mbar).
Average wind speed in September
Vattjom, Sweden
- Average wind speed in September: 10.5km/h
The windiest month (with the highest average wind speed) is January (11.9km/h).
The calmest month (with the lowest average wind speed) is August (9.5km/h).
Average humidity in September
Vattjom, Sweden
- Average humidity in September: 79%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is June (66%).
Average rainfall in September
Vattjom, Sweden
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is July (45mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Vattjom, Sweden
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in September
Vattjom, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (217mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Vattjom, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Vattjom, Sweden
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 42min).
The month with the shortest days is December (Average daylight: 5h and 12min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is June (Average sunshine: 12h and 18min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in September
Vattjom, Sweden
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is February (12.5 days).
Average UV index in September
Vattjom, 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, November and December (UV index 1).
Average cloud cover in September
Vattjom, Sweden
- Average cloud cover in September: 49
The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in September
Vattjom, Sweden
- Average visibility in September: 8km
The months with the highest visibility are April, May, June, July, August and October (9km).
The months with the lowest visibility are January, February and March (7km).
Vattjom, Sweden
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