September weather forecastAttenweiler, Germany

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Attenweiler, Germany, with temperature in the range of an average high of 18.2°C (64.8°F) and an average low of 7.6°C (45.7°F).

Temperature

The onset of September brings a small shift in high-temperatures, falling from an agreeable 22.9°C (73.2°F) in August to a refreshing 18.2°C (64.8°F). In Attenweiler, the expected average low-temperature for September is a chilly 7.6°C (45.7°F).

Humidity

In Attenweiler, Germany, the average relative humidity in September is 84%.

Rainfall

In Attenweiler, Germany, in September, it is raining for 15.6 days, with typically 62mm (2.44") of accumulated precipitation. In Attenweiler, during the entire year, the rain falls for 175.6 days and collects up to 934mm (36.77") of precipitation.

Snowfall

June through September are months without snowfall in Attenweiler, Germany.

Daylight

In Attenweiler, the average length of the day in September is 12h and 35min.
On the first day of September, sunrise is at 06:39 and sunset at 20:02. On the last day of the month, sunrise is at 07:19 and sunset at 19:02 CEST.

Sunshine

In September, the average sunshine is 8.3h.

UV index

In September, the average daily maximum UV index in Attenweiler is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 4 in September transforms into the following instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.

Frequently asked questions

September temperatures in Attenweiler vary between a high-temperature of 18.2°C (64.8°F) and a low-temperature of 7.6°C (45.7°F).

The average relative humidity in September in Attenweiler, Germany, is 84%.

In Attenweiler, Germany, in September, during 15.6 rainfall days, 62mm (2.44") of precipitation is typically accumulated.

June through September are months without snowfall in Attenweiler, Germany.

In Attenweiler, in September, it doesn't snow. In October, it regularly snows.

The average day length in September is 12h and 35min.

On the first day of September in Attenweiler, sunrise is at 06:39 and sunset at 20:02. On the last day of the month, sunrise is at 07:19 and sunset at 19:02 CEST.

The average sunshine duration in September in Attenweiler is 8.3h.

In Attenweiler, Germany, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Attenweiler, Germany

  • Average high temperature in September: 18.2°C

The warmest month (with the highest average high temperature) is July (23°C).
The month with the lowest average high temperature is January (2.2°C).

  • Average low temperature in September: 7.6°C

The month with the highest average low temperature is July (11.8°C).
The coldest month (with the lowest average low temperature) is February (-4°C).

Average pressure in September
Attenweiler, Germany

  • Average pressure in September: 1018.7mbar

The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).

Average wind speed in September
Attenweiler, Germany

  • Average wind speed in September: 8.8km/h

The windiest month (with the highest average wind speed) is March (12.3km/h).
The calmest month (with the lowest average wind speed) is August (8.5km/h).

Average humidity in September
Attenweiler, Germany

  • Average humidity in September: 84%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (79%).

Average rainfall in September
Attenweiler, Germany

  • Average rainfall in September: 62mm

The wettest month (with the highest rainfall) is May (129mm).
The driest month (with the least rainfall) is February (44mm).

Average rainfall days in September
Attenweiler, Germany

  • Average rainfall days in September: 15.6 days

The month with the highest number of rainy days is May (24.5 days).
The month with the least rainy days is February (6 days).

Average snowfall in September
Attenweiler, Germany

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (263mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Attenweiler, Germany

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Attenweiler, Germany

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in September: 8h and 18min

The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

Average sunshine days in September
Attenweiler, Germany

  • Average sunshine days in September: 11.9 days

The months with the most sunshine days are October and November (15 days).
The month with the least sunshine days is May (5.1 days).

Average UV index in September
Attenweiler, Germany

  • 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 November (UV index 1).

Average cloud cover in September
Attenweiler, Germany

  • Average cloud cover in September: 45

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 40).

Average visibility in September
Attenweiler, Germany

  • Average visibility in September: 8km

The months with the highest visibility are March, April, May, June, July, August, September and November (8km).
The months with the lowest visibility are January, February, October and December (7km).