September weather forecastHahnweiler, Germany
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Hahnweiler, Germany, with an average temperature fluctuating between 8.9°C (48°F) and 18.6°C (65.5°F).Temperature
September signifies a minor drop in average high-temperature, transitioning from a warm 23°C (73.4°F) in August to a comfortable 18.6°C (65.5°F). Throughout September nights, Hahnweiler experiences a consistent temperature average of 8.9°C (48°F).Humidity
In Hahnweiler, Germany, the average relative humidity in September is 80%.Rainfall
April and September are months with the least rain in Hahnweiler when the rain falls for 11.1 days and typically aggregates up to 33mm (1.3") of rain.Snowfall
June through September are months without snowfall in Hahnweiler.Daylight
The average length of the day in September in Hahnweiler, Germany, is 12h and 36min.On the first day of September in Hahnweiler, sunrise is at 06:47 and sunset at 20:14. On the last day of the month, sunrise is at 07:30 and sunset at 19:11 CEST.
Sunshine
In Hahnweiler, the average sunshine in September is 7.9h.UV index
In September, the average daily maximum UV index in Hahnweiler is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 3 during September leads to these instructions:
Exercise prevention - Protecting skin and eyes from harm is required. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hahnweiler, Germany
- Average high temperature in September: 18.6°C
The warmest month (with the highest average high temperature) is July (23.2°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in September: 8.9°C
The months with the highest average low temperature are July and August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).
Average pressure in September
Hahnweiler, Germany
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is December (1018.7mbar).
The month with the lowest atmospheric pressure is November (1014.5mbar).
Average wind speed in September
Hahnweiler, Germany
- Average wind speed in September: 9.4km/h
The windiest month (with the highest average wind speed) is February (13.4km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).
Average humidity in September
Hahnweiler, Germany
- Average humidity in September: 80%
The month with the highest relative humidity is December (92%).
The months with the lowest relative humidity are April, July and August (75%).
Average rainfall in September
Hahnweiler, Germany
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is December (78mm).
The driest months (with the least rainfall) are April and September (33mm).
Average rainfall days in September
Hahnweiler, Germany
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is September (11.1 days).
Average snowfall in September
Hahnweiler, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is December (99mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Hahnweiler, Germany
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hahnweiler, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).
Average sunshine days in September
Hahnweiler, Germany
- Average sunshine days in September: 17 days
The month with the most sunshine days is September (17 days).
The month with the least sunshine days is December (8.5 days).
Average UV index in September
Hahnweiler, 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 November and December (UV index 1).
Average cloud cover in September
Hahnweiler, Germany
- Average cloud cover in September: 43
The month with the most cloud cover is December (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Hahnweiler, 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 January, October, November and December (7km).





