September weather forecastHammerdal, Sweden
September
Weather in September
September, the first month of the autumn in Hammerdal, is still a cool month, with an average temperature ranging between min 5.1°C (41.2°F) and max 11.7°C (53.1°F).Temperature
The arrival of September indicates a decrease in the average high-temperature, moving from an enjoyable 17°C (62.6°F) in August to a fresh 11.7°C (53.1°F). An average low-temperature of 5.1°C (41.2°F) is recorded in the month of September.Humidity
In September, the average relative humidity in Hammerdal is 83%.Rainfall
In Hammerdal, Sweden, during September, the rain falls for 13.9 days and regularly aggregates up to 46mm (1.81") of precipitation. In Hammerdal, during the entire year, the rain falls for 127.8 days and collects up to 497mm (19.57") of precipitation.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows in Hammerdal. Throughout September, in the average 0.5 snowfall days, it receives 2mm (0.08") of snow. Throughout the year, in Hammerdal, there are 117.1 snowfall days, and 1555mm (61.22") of snow is accumulated.Daylight
The average length of the day in September in Hammerdal is 13h and 0min.On the first day of the month, sunrise is at 05:44 and sunset at 20:12. On the last day of September, in Hammerdal, sunrise is at 07:05 and sunset at 18:31 CEST.
Sunshine
In Hammerdal, the average sunshine in September is 6.5h.UV index
In September, the average daily maximum UV index in Hammerdal is 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 2 during September leads to these instructions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hammerdal, Sweden
- Average high temperature in September: 11.7°C
The warmest month (with the highest average high temperature) is July (18.8°C).
The month with the lowest average high temperature is January (-5.6°C).
- Average low temperature in September: 5.1°C
The month with the highest average low temperature is July (9.8°C).
The coldest month (with the lowest average low temperature) is February (-11.2°C).
Average pressure in September
Hammerdal, Sweden
- Average pressure in September: 1011.6mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1005.6mbar).
Average wind speed in September
Hammerdal, Sweden
- Average wind speed in September: 10.4km/h
The windiest month (with the highest average wind speed) is March (12.1km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).
Average humidity in September
Hammerdal, Sweden
- Average humidity in September: 83%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is June (67%).
Average rainfall in September
Hammerdal, Sweden
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is July (63mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in September
Hammerdal, Sweden
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in September
Hammerdal, Sweden
- Average snowfall in September: 2mm
The month with the highest snowfall is December (328mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Hammerdal, Sweden
- Average snowfall days in September: 0.5 days
The month with the highest number of snowfall days is January (21.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Hammerdal, Sweden
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 30min).
The month with the shortest days is December (Average daylight: 4h and 42min).
- Average sunshine in September: 6h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).
Average sunshine days in September
Hammerdal, Sweden
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is October (14.4 days).
The months with the least sunshine days are January and December (9.4 days).
Average UV index in September
Hammerdal, Sweden
- Average UV index in September: 2
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Hammerdal, Sweden
- Average cloud cover in September: 58
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 47).
Average visibility in September
Hammerdal, Sweden
- Average visibility in September: 8km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February and December (6km).
