September weather forecastGundersweiler, Germany

September

Weather in September

September, the first month of the autumn in Gundersweiler, is still a refreshing month, with an average temperature varying between 9.8°C (49.6°F) and 19.4°C (66.9°F).

Temperature

The commencement of September indicates a gentle shift in the average high-temperature, receding from August's moderately hot 24°C (75.2°F) to a comfortable 19.4°C (66.9°F). Gundersweiler, during the month of September, experiences an average low-temperature of 9.8°C (49.6°F).

Humidity

In Gundersweiler, the average relative humidity in September is 78%.

Rainfall

In Gundersweiler, during September, the rain falls for 11 days and regularly aggregates up to 28mm (1.1") of precipitation. Throughout the year, there are 153.9 rainfall days, and 406mm (15.98") of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 36min.
On the first day of the month, sunrise is at 06:45 and sunset at 20:12. On the last day of September, in Gundersweiler, sunrise is at 07:28 and sunset at 19:09 CEST.

Sunshine

In Gundersweiler, the average sunshine in September is 8.2h.

UV index

In Gundersweiler, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In September, an average UV index of 4 transforms into the following instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

Frequently asked questions

During September, Gundersweiler experiences an average high-temperature of 19.4°C (66.9°F) and a low-temperature of 9.8°C (49.6°F).

In September, the average relative humidity in Gundersweiler, Germany, is 78%.

In Gundersweiler, Germany, during September, the rain falls for 11 days and regularly aggregates up to 28mm (1.1") of precipitation.

In Gundersweiler, Germany, snow does not fall in June through September.

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

The average day length in September is 12h and 36min.

On the first day of September in Gundersweiler, Germany, sunrise is at 06:45 and sunset at 20:12. On the last day of the month, sunrise is at 07:28 and sunset at 19:09 CEST.

The average sunshine duration in September in Gundersweiler is 8.2h.

In Gundersweiler, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Gundersweiler, Germany

  • Average high temperature in September: 19.4°C

The warmest month (with the highest average high temperature) is July (24.3°C).
The month with the lowest average high temperature is January (3.3°C).

  • Average low temperature in September: 9.8°C

The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-1.2°C).

Average pressure in September
Gundersweiler, Germany

  • Average pressure in September: 1018.2mbar

The month with the highest atmospheric pressure is December (1018.9mbar).
The month with the lowest atmospheric pressure is November (1014.8mbar).

Average wind speed in September
Gundersweiler, Germany

  • Average wind speed in September: 9.1km/h

The windiest month (with the highest average wind speed) is February (12.7km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).

Average humidity in September
Gundersweiler, Germany

  • Average humidity in September: 78%

The months with the highest relative humidity are January and December (89%).
The months with the lowest relative humidity are April, July and August (73%).

Average rainfall in September
Gundersweiler, Germany

  • Average rainfall in September: 28mm

The wettest month (with the highest rainfall) is May (50mm).
The driest month (with the least rainfall) is April (23mm).

Average rainfall days in September
Gundersweiler, Germany

  • Average rainfall days in September: 11 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (9.7 days).

Average snowfall in September
Gundersweiler, Germany

  • Average snowfall in September: 0mm

The month with the highest snowfall is December (54mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Gundersweiler, Germany

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Gundersweiler, 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: 8h and 12min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).

Average sunshine days in September
Gundersweiler, Germany

  • Average sunshine days in September: 16.7 days

The month with the most sunshine days is April (16.9 days).
The month with the least sunshine days is December (11.7 days).

Average UV index in September
Gundersweiler, 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
Gundersweiler, Germany

  • Average cloud cover in September: 39

The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in September
Gundersweiler, Germany

  • Average visibility in September: 9km

The months with the highest visibility are March, April, May, June, July, August and September (9km).
The months with the lowest visibility are January and December (7km).