September weather forecastWittlaer, Germany

September

Weather in September

September, the first month of the autumn in Wittlaer, is still a refreshing month, with an average temperature varying between 11.9°C (53.4°F) and 19.6°C (67.3°F).

Temperature

With the onset of September, Wittlaer's climate undergoes a slight change as the average high-temperature moves from a moderately hot 23.8°C (74.8°F) in August to a refreshing 19.6°C (67.3°F). In September, the temperature drops to an average of 11.9°C (53.4°F) at night.

Humidity

The average relative humidity in September is 74%.

Rainfall

In September, the rain falls for 10.2 days. Throughout September, 17mm (0.67") of precipitation is accumulated. In Wittlaer, during the entire year, the rain falls for 156.9 days and collects up to 269mm (10.59") of precipitation.

Snowfall

April through October are months without snowfall in Wittlaer, Germany.

Daylight

The average length of the day in September in Wittlaer is 12h and 38min.
On the first day of September in Wittlaer, sunrise is at 06:46 and sunset at 20:18. On the last day of the month, sunrise is at 07:32 and sunset at 19:12 CEST.

Sunshine

In September, the average sunshine is 8.2h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 4 during September translates into the following directions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.

Frequently asked questions

An average high-temperature, in September, in Wittlaer, is 19.6°C (67.3°F) and the average low-temperature is 11.9°C (53.4°F).

The average relative humidity in September in Wittlaer, Germany, is 74%.

In Wittlaer, Germany, during September, the rain falls for 10.2 days and regularly aggregates up to 17mm (0.67") of precipitation.

In Wittlaer, snow does not fall in April through October.

The average day length in September is 12h and 38min.

On the first day of September in Wittlaer, Germany, sunrise is at 06:46 and sunset at 20:18. On the last day of the month, sunrise is at 07:32 and sunset at 19:12 CEST.

In September, the average sunshine duration in Wittlaer is 8.2h.

In Wittlaer, Germany, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
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
Wittlaer, Germany

  • Average high temperature in September: 19.6°C

The warmest months (with the highest average high temperature) are July and August (23.8°C).
The month with the lowest average high temperature is January (4.7°C).

  • Average low temperature in September: 11.9°C

The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).

Average pressure in September
Wittlaer, Germany

  • Average pressure in September: 1017.5mbar

The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1013mbar).

Average wind speed in September
Wittlaer, Germany

  • Average wind speed in September: 10.6km/h

The windiest month (with the highest average wind speed) is December (15.5km/h).
The calmest month (with the lowest average wind speed) is August (10.5km/h).

Average humidity in September
Wittlaer, Germany

  • Average humidity in September: 74%

The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (70%).

Average rainfall in September
Wittlaer, Germany

  • Average rainfall in September: 17mm

The wettest month (with the highest rainfall) is December (32mm).
The driest month (with the least rainfall) is April (13mm).

Average rainfall days in September
Wittlaer, Germany

  • Average rainfall days in September: 10.2 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is September (10.2 days).

Average snowfall in September
Wittlaer, Germany

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Wittlaer, Germany

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.8 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
Wittlaer, Germany

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).

  • Average sunshine in September: 8h and 12min

The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).

Average sunshine days in September
Wittlaer, Germany

  • Average sunshine days in September: 16 days

The month with the most sunshine days is September (16 days).
The month with the least sunshine days is December (10 days).

Average UV index in September
Wittlaer, Germany

  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Wittlaer, Germany

  • Average cloud cover in September: 40

The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in September
Wittlaer, Germany

  • Average visibility in September: 9km

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