September weather forecastWannweil, Germany

September

Weather in September

September, the first month of the autumn in Wannweil, 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

Wannweil experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a pleasant 22.9°C (73.2°F) in August to an enjoyable 18.5°C (65.3°F). Wannweil experiences an average nighttime temperature of 8.8°C (47.8°F) in the month of September.

Humidity

The average relative humidity in September is 81%.

Rainfall

In Wannweil, during September, the rain falls for 13.5 days and regularly aggregates up to 36mm (1.42") of precipitation. Throughout the year, there are 175.3 rainfall days, and 612mm (24.09") of precipitation is accumulated.

Snowfall

In Wannweil, snow does not fall in June through September.

Daylight

In Wannweil, the average length of the day in September is 12h and 35min.
On the first day of the month, sunrise is at 06:41 and sunset at 20:05. On the last day of September, sunrise is at 07:22 and sunset at 19:04 CEST.

Sunshine

The average sunshine in September in Wannweil is 8.6h.

UV index

The average daily maximum UV index in September in Wannweil is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: In September, the UV index of 3 transforms into the following advice:
Undertake protective steps - Preventing sun damage is advised. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.

Frequently asked questions

The high-temperature, in September, in Wannweil, records 18.5°C (65.3°F), while the low-temperature is 8.8°C (47.8°F).

In September, the average relative humidity in Wannweil, Germany, is 81%.

In September, in Wannweil, the rain falls for 13.5 days. Throughout September, 36mm (1.42") of precipitation is accumulated.

June through September are months without snowfall.

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

In September, the average day length in Wannweil is 12h and 35min.

On the first day of September, sunrise is at 06:41 and sunset at 20:05. On the last day of the month, sunrise is at 07:22 and sunset at 19:04 CEST.

The average sunshine duration in September in Wannweil is 8.6h.

The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Wannweil, Germany

  • Average high temperature in September: 18.5°C

The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is January (2.4°C).

  • Average low temperature in September: 8.8°C

The month with the highest average low temperature is August (12.5°C).
The coldest month (with the lowest average low temperature) is February (-2.8°C).

Average pressure in September
Wannweil, Germany

  • Average pressure in September: 1018.6mbar

The month with the highest atmospheric pressure is December (1020.1mbar).
The month with the lowest atmospheric pressure is November (1015.5mbar).

Average wind speed in September
Wannweil, Germany

  • Average wind speed in September: 8.2km/h

The windiest month (with the highest average wind speed) is December (11.9km/h).
The calmest month (with the lowest average wind speed) is August (8km/h).

Average humidity in September
Wannweil, Germany

  • Average humidity in September: 81%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (77%).

Average rainfall in September
Wannweil, Germany

  • Average rainfall in September: 36mm

The wettest month (with the highest rainfall) is May (82mm).
The driest month (with the least rainfall) is March (32mm).

Average rainfall days in September
Wannweil, Germany

  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is May (22.2 days).
The month with the least rainy days is February (7.9 days).

Average snowfall in September
Wannweil, Germany

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (85mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Wannweil, Germany

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in September: 8h and 36min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in September
Wannweil, Germany

  • Average sunshine days in September: 13.9 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is June (6.7 days).

Average UV index in September
Wannweil, 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, October, November and December (UV index 2).

Average cloud cover in September
Wannweil, Germany

  • Average cloud cover in September: 39

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in September
Wannweil, Germany

  • Average visibility in September: 8km

The months with the highest visibility are April, June, July and August (9km).
The month with the lowest visibility is January (7km).