September weather forecastTrierweiler, Germany
September
Weather in September
September, the first month of the autumn in Trierweiler, is still a refreshing month, with an average temperature ranging between min 8.8°C (47.8°F) and max 18.5°C (65.3°F).Temperature
September signifies a gentle decline in Trierweiler's average high-temperature, easing from a pleasant 22.8°C (73°F) in August to an enjoyable 18.5°C (65.3°F). Throughout September, the nighttime temperature averages to a chilly 8.8°C (47.8°F).Humidity
In Trierweiler, the average relative humidity in September is 80%.Rainfall
In September, the rain falls for 9.3 days. Throughout September, 20mm (0.79") of precipitation is accumulated. In Trierweiler, Germany, during the entire year, the rain falls for 138 days and collects up to 304mm (11.97") of precipitation.Snowfall
April, June through October are months without snowfall.Daylight
In Trierweiler, the average length of the day in September is 12h and 37min.On the first day of September in Trierweiler, sunrise is at 06:50 and sunset at 20:17. On the last day of the month, sunrise is at 07:32 and sunset at 19:14 CEST.
Sunshine
The average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 3 during September translates into the following guidance:
Undertake precautions - It is suggested to shield oneself from sunburn. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Trierweiler, Germany
- Average high temperature in September: 18.5°C
The warmest months (with the highest average high temperature) are July and August (22.8°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in September: 8.8°C
The month with the highest average low temperature is August (12.1°C).
The coldest month (with the lowest average low temperature) is January (-1.4°C).
Average pressure in September
Trierweiler, Germany
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1014.2mbar).
Average wind speed in September
Trierweiler, Germany
- Average wind speed in September: 9.5km/h
The windiest month (with the highest average wind speed) is February (14km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).
Average humidity in September
Trierweiler, Germany
- Average humidity in September: 80%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Trierweiler, Germany
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is December (33mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in September
Trierweiler, Germany
- Average rainfall days in September: 9.3 days
The months with the highest number of rainy days are June, July and August (13.3 days).
The month with the least rainy days is February (9 days).
Average snowfall in September
Trierweiler, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is December (33mm).
The months with the least snowfall are April, June, July, August, September and October (0mm).
Average snowfall days in September
Trierweiler, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Trierweiler, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in September
Trierweiler, Germany
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is December (12.8 days).
Average UV index in September
Trierweiler, Germany
- 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 2).
Average cloud cover in September
Trierweiler, Germany
- Average cloud cover in September: 39
The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Trierweiler, Germany
- Average visibility in September: 8km
The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are November and December (7km).
