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
September
Weather in September
Temperature
September implies a soft temperature shift, with average high-temperatures reducing from August's comfortable 18.8°C (65.8°F) to a mild 13.9°C (57°F). An average nighttime temperature of 6.5°C (43.7°F) is recorded in Tomterna during September.Humidity
The average relative humidity in September is 81%.Rainfall
In Tomterna, in September, it is raining for 13.5 days, with typically 35mm (1.38") of accumulated precipitation. In Tomterna, during the entire year, the rain falls for 129 days and collects up to 407mm (16.02") of precipitation.Snowfall
June through September are months without snowfall in Tomterna, Sweden.Daylight
In September, the average length of the day is 12h and 55min.On the first day of the month, sunrise is at 05:46 and sunset at 20:02. On the last day of September, sunrise is at 07:00 and sunset at 18:28 CEST.
Sunshine
In Tomterna, the average sunshine in September is 7.1h.UV index
The average daily maximum UV index in September in Tomterna is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 3 during September translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Tomterna?
What is the average humidity in September in Tomterna?
How much does it rain in Tomterna in September?
When it does not snow in Tomterna?
Does it snow in Tomterna in September?
How many hours of daylight does Tomterna have in September?
When are sunrise and sunset in September in Tomterna?
How many hours of sunshine does Tomterna have in September?
How high is the UV index in September in Tomterna?
Average temperature in September
Tomterna, Sweden
- Average high temperature in September: 13.9°C
The warmest month (with the highest average high temperature) is July (20.6°C).
The month with the lowest average high temperature is January (-3.5°C).
- Average low temperature in September: 6.5°C
The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is February (-8.1°C).
Average pressure in September
Tomterna, Sweden
- Average pressure in September: 1012.2mbar
The month with the highest atmospheric pressure is May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1006.4mbar).
Average wind speed in September
Tomterna, Sweden
- Average wind speed in September: 9.5km/h
The windiest month (with the highest average wind speed) is March (10.4km/h).
The calmest month (with the lowest average wind speed) is August (8.6km/h).
Average humidity in September
Tomterna, Sweden
- Average humidity in September: 81%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is May (67%).
Average rainfall in September
Tomterna, Sweden
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is July (48mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Tomterna, Sweden
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in September
Tomterna, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (210mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Tomterna, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Tomterna, Sweden
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 24min).
The month with the shortest days is December (Average daylight: 5h and 30min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in September
Tomterna, Sweden
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is October (15.2 days).
The months with the least sunshine days are February and December (11.1 days).
Average UV index in September
Tomterna, Sweden
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Tomterna, Sweden
- Average cloud cover in September: 53
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 45).
Average visibility in September
Tomterna, Sweden
- Average visibility in September: 8km
The months with the highest visibility are May, June and July (9km).
The month with the lowest visibility is February (5km).
