September weather forecastAhden, Germany

September

Weather in September

September, the first month of the autumn in Ahden, is still a refreshing month, with an average temperature fluctuating between 18.1°C (64.6°F) and 9.6°C (49.3°F).

Temperature

The onset of September results in a small decrease in the average high-temperature, moderately receding from an agreeable 22.7°C (72.9°F) in August to a refreshing 18.1°C (64.6°F). Throughout the month of September, Ahden witnesses an average low-temperature of 9.6°C (49.3°F).

Humidity

In September, the average relative humidity is 80%.

Rainfall

September is the month with the least rainfall. Rain falls for 11.2 days and accumulates 23mm (0.91") of precipitation.

Snowfall

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

Daylight

The average length of the day in September is 12h and 38min.
On the first day of September in Ahden, Germany, sunrise is at 06:38 and sunset at 20:11. On the last day of the month, sunrise is at 07:25 and sunset at 19:05 CEST.

Sunshine

In September, the average sunshine is 8.2h.

UV index

In Ahden, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the maximum UV index of 3 suggests these recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.

Frequently asked questions

September temperatures vary between a high-temperature of 18.1°C (64.6°F) and a low-temperature of 9.6°C (49.3°F).

In September, the average relative humidity is 80%.

September is the month with the least rainfall. Rain falls for 11.2 days and accumulates 23mm (0.91") of precipitation.

In September, the rain falls for 11.2 days. Throughout September, 23mm (0.91") of precipitation is accumulated.

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

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

In September, the average day length is 12h and 38min.

On the first day of September, sunrise is at 06:38 and sunset at 20:11. On the last day of the month, sunrise is at 07:25 and sunset at 19:05 CEST.

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

In Ahden, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from 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
Ahden, Germany

  • Average high temperature in September: 18.1°C

The warmest month (with the highest average high temperature) is August (22.7°C).
The month with the lowest average high temperature is January (3°C).

  • Average low temperature in September: 9.6°C

The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).

Average pressure in September
Ahden, Germany

  • Average pressure in September: 1017.6mbar

The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1013.3mbar).

Average wind speed in September
Ahden, Germany

  • Average wind speed in September: 9.6km/h

The windiest month (with the highest average wind speed) is December (13.9km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).

Average humidity in September
Ahden, Germany

  • Average humidity in September: 80%

The months with the highest relative humidity are January and December (90%).
The month with the lowest relative humidity is August (74%).

Average rainfall in September
Ahden, Germany

  • Average rainfall in September: 23mm

The wettest month (with the highest rainfall) is December (51mm).
The driest month (with the least rainfall) is September (23mm).

Average rainfall days in September
Ahden, Germany

  • Average rainfall days in September: 11.2 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is September (11.2 days).

Average snowfall in September
Ahden, Germany

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (96mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Ahden, Germany

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).

  • Average sunshine in September: 8h and 12min

The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).

Average sunshine days in September
Ahden, Germany

  • Average sunshine days in September: 17 days

The month with the most sunshine days is October (17.1 days).
The month with the least sunshine days is January (9.4 days).

Average UV index in September
Ahden, 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, March, November and December (UV index 2).

Average cloud cover in September
Ahden, Germany

  • Average cloud cover in September: 45

The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 40).

Average visibility in September
Ahden, Germany

  • Average visibility in September: 8km

The month with the highest visibility is August (9km).
The months with the lowest visibility are January, February, October and December (7km).