September weather forecastTärnö, Sweden
September
Weather in September
September, the first month of the autumn in Tärnö, is still a refreshing month, with an average temperature varying between 12°C (53.6°F) and 16.5°C (61.7°F).Temperature
September's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a pleasant 20.1°C (68.2°F) in August to a comfortable 16.5°C (61.7°F). September witnesses a minor deviation from daytime peaks, with an average nighttime temperature of 12°C (53.6°F).Humidity
The average relative humidity in September in Tärnö is 79%.Rainfall
In Tärnö, in September, during 10.4 rainfall days, 21mm (0.83") of precipitation is typically accumulated. In Tärnö, during the entire year, the rain falls for 139.1 days and collects up to 303mm (11.93") of precipitation.Snowfall
In Tärnö, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 45min.On the first day of September, sunrise is at 06:05 and sunset at 19:54. On the last day of the month, sunrise is at 07:02 and sunset at 18:37 CEST.
Sunshine
In Tärnö, the average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September in Tärnö is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: A daily high UV index of 4 in September leads to these guidelines:
Act with care - The suggestion to avoid sunburn is emphasized. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tärnö, Sweden
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (1.8°C).
- Average low temperature in September: 12°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is February (-0.8°C).
Average pressure in September
Tärnö, Sweden
- Average pressure in September: 1015.2mbar
The months with the highest atmospheric pressure are April and May (1015.5mbar).
The month with the lowest atmospheric pressure is December (1010.8mbar).
Average wind speed in September
Tärnö, Sweden
- Average wind speed in September: 18.4km/h
The windiest month (with the highest average wind speed) is December (21.1km/h).
The calmest month (with the lowest average wind speed) is June (15.8km/h).
Average humidity in September
Tärnö, Sweden
- Average humidity in September: 79%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Tärnö, Sweden
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is July (40mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in September
Tärnö, Sweden
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in September
Tärnö, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (57mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Tärnö, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Tärnö, Sweden
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 0min).
- Average sunshine in September: 8h and 24min
The months with the most sunshine are June and August (Average sunshine: 10h and 0min).
The months with the least sunshine are January and December (Average sunshine: 3h and 6min).
Average sunshine days in September
Tärnö, Sweden
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is April (17.4 days).
The month with the least sunshine days is February (10.7 days).
Average UV index in September
Tärnö, Sweden
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Tärnö, Sweden
- Average cloud cover in September: 41
The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Tärnö, Sweden
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
