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 sea temperature 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's onset introduces a mild reduction in the average high-temperature, from an agreeable 20.8°C (69.4°F) in August to an enjoyable 16.5°C (61.7°F). Timmernabben reports a consistent average low-temperature of 11.1°C (52°F) throughout September nights.Humidity
In September, the average relative humidity is 78%.Rainfall
In Timmernabben, in September, during 9 rainfall days, 14mm (0.55") of precipitation is typically accumulated. In Timmernabben, during the entire year, the rain falls for 117.5 days and collects up to 269mm (10.59") of precipitation.Snowfall
In Timmernabben, snow does not fall in June through September.Sea temperature
In Timmernabben, the average seawater temperature in September is 15.9°C (60.6°F).Note: For most individuals, swimming in 15.9°C (60.6°F) is not enjoyable. As the water temperature decreases from 21°C (69.8°F) to 15°C (59°F), breathing control becomes increasingly difficult.
Daylight
In September, the average length of the day is 12h and 46min.On the first day of the month, sunrise is at 05:57 and sunset at 19:50. On the last day of September, sunrise is at 06:56 and sunset at 18:31 CEST.
Sunshine
In September, the average sunshine is 8.4h.UV index
In Timmernabben, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the sea water temperature in September?
How many hours of daylight does Timmernabben have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Timmernabben have in September?
What is the UV index reading in September in Timmernabben?
Average temperature in September
Timmernabben, Sweden
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is July (21°C).
The month with the lowest average high temperature is January (1.6°C).
- Average low temperature in September: 11.1°C
The months with the highest average low temperature are July and August (13.9°C).
The coldest month (with the lowest average low temperature) is January (-1.4°C).
Average pressure in September
Timmernabben, Sweden
- Average pressure in September: 1014.7mbar
The month with the highest atmospheric pressure is May (1015.3mbar).
The month with the lowest atmospheric pressure is December (1010mbar).
Average wind speed in September
Timmernabben, Sweden
- Average wind speed in September: 15.9km/h
The windiest month (with the highest average wind speed) is December (18.3km/h).
The calmest months (with the lowest average wind speed) are May and August (14km/h).
Average humidity in September
Timmernabben, Sweden
- Average humidity in September: 78%
The months with the highest relative humidity are February, November and December (86%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Timmernabben, Sweden
- Average rainfall in September: 14mm
The wettest month (with the highest rainfall) is July (35mm).
The driest month (with the least rainfall) is April (10mm).
Average rainfall days in September
Timmernabben, Sweden
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is July (12.7 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in September
Timmernabben, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (82mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Timmernabben, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in September
Timmernabben, Sweden
- Average sea temperature in September: 15.9°C
The best month for swimming (with the highest average sea temperature) is August (18.3°C).
The coldest month (with the lowest average sea temperature) is March (1.9°C).
Average daylight in September /
Average sunshine in September
Timmernabben, Sweden
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 17h and 48min).
The month with the shortest days is December (Average daylight: 6h and 54min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 3h and 12min).
Average sunshine days in September
Timmernabben, Sweden
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is April (18.7 days).
The month with the least sunshine days is February (12.9 days).
Average UV index in September
Timmernabben, 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
Timmernabben, Sweden
- Average cloud cover in September: 40
The months with the most cloud cover are January and February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Timmernabben, Sweden
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).
