September weather forecastWallen, Germany

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Wallen, Germany, with an average temperature ranging between max 17.6°C (63.7°F) and min 10.9°C (51.6°F).

Temperature

September ushers in a minute temperature change, with average high-temperatures reducing from August's agreeable 21.4°C (70.5°F) to a comfortable 17.6°C (63.7°F). In September, Wallen reports a consistent average low-temperature of 10.9°C (51.6°F) during the nights.

Humidity

In Wallen, the average relative humidity in September is 83%.

Rainfall

In Wallen, in September, it is raining for 11 days, with typically 14mm (0.55") of accumulated precipitation. In Wallen, during the entire year, the rain falls for 134.7 days and collects up to 221mm (8.7") of precipitation.

Snowfall

In Wallen, Germany, snow does not fall in May through October.

Daylight

In September, the average length of the day in Wallen is 12h and 42min.
On the first day of the month, sunrise is at 06:31 and sunset at 20:13. On the last day of September, in Wallen, sunrise is at 07:24 and sunset at 19:01 CEST.

Sunshine

In Wallen, Germany, the average sunshine in September is 7.3h.

UV index

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: A maximum high UV index of 4 in September translates into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

The average high-temperature and low-temperature in Wallen during September are 17.6°C (63.7°F) and 10.9°C (51.6°F) respectively.

In September, the average relative humidity in Wallen, Germany, is 83%.

In Wallen, in September, during 11 rainfall days, 14mm (0.55") of precipitation is typically accumulated.

May through October are months without snowfall in Wallen, Germany.

The average day length in September in Wallen is 12h and 42min.

In September, on the first day of the month, sunrise is at 06:31 and sunset at 20:13. On the last day of the month, in Wallen, sunrise is at 07:24 and sunset at 19:01 CEST.

The average sunshine duration in September in Wallen, Germany, is 7.3h.

The average daily maximum UV index in September in Wallen, Germany, is 4. A UV Index of 3 to 5 symbolizes 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
Wallen, Germany

  • Average high temperature in September: 17.6°C

The warmest months (with the highest average high temperature) are July and August (21.4°C).
The month with the lowest average high temperature is January (3°C).

  • Average low temperature in September: 10.9°C

The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is February (-0.5°C).

Average pressure in September
Wallen, Germany

  • Average pressure in September: 1015.8mbar

The month with the highest atmospheric pressure is May (1015.9mbar).
The month with the lowest atmospheric pressure is November (1011.2mbar).

Average wind speed in September
Wallen, Germany

  • Average wind speed in September: 13.3km/h

The windiest month (with the highest average wind speed) is December (18.5km/h).
The calmest month (with the lowest average wind speed) is August (12.7km/h).

Average humidity in September
Wallen, Germany

  • Average humidity in September: 83%

The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is April (78%).

Average rainfall in September
Wallen, Germany

  • Average rainfall in September: 14mm

The wettest month (with the highest rainfall) is July (26mm).
The driest month (with the least rainfall) is April (10mm).

Average rainfall days in September
Wallen, Germany

  • Average rainfall days in September: 11 days

The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is February (8.6 days).

Average snowfall in September
Wallen, Germany

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (19mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Wallen, Germany

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (6.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).

  • Average sunshine in September: 7h and 18min

The month with the most sunshine is August (Average sunshine: 9h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 18min).

Average sunshine days in September
Wallen, Germany

  • Average sunshine days in September: 15.2 days

The month with the most sunshine days is October (17 days).
The month with the least sunshine days is July (12.1 days).

Average UV index in September
Wallen, Germany

  • Average UV index in September: 4

The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in September
Wallen, Germany

  • Average cloud cover in September: 50

The month with the most cloud cover is December (Cloud cover 70).
The months with the least cloud cover are April and August (Cloud cover 42).

Average visibility in September
Wallen, Germany

  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).