September weather forecastAppeln, Germany

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Appeln, Germany, with an average temperature varying between 11.5°C (52.7°F) and 17.9°C (64.2°F).

Temperature

The arrival of September suggests a slight decrease in the average high-temperature, moving from an agreeable 21.3°C (70.3°F) in August to an enjoyable 17.9°C (64.2°F). Appeln witnesses a consistent average low-temperature of 11.5°C (52.7°F) throughout September.

Humidity

In Appeln, the average relative humidity in September is 82%.

Rainfall

In September, in Appeln, the rain falls for 16.7 days. Throughout September, 40mm (1.57") of precipitation is accumulated. In Appeln, Germany, during the entire year, the rain falls for 189.7 days and collects up to 537mm (21.14") of precipitation.

Snowfall

May through October are months without snowfall in Appeln.

Daylight

In September, the average length of the day in Appeln, Germany, is 12h and 41min.
On the first day of the month, sunrise is at 06:34 and sunset at 20:13. On the last day of September, sunrise is at 07:25 and sunset at 19:03 CEST.

Sunshine

The average sunshine in September is 7.3h.

UV index

The average daily maximum UV index in September in Appeln is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum UV index of 4 in September translates into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.

Frequently asked questions

The average high-temperature, in September, in Appeln, is 17.9°C (64.2°F), while the average low-temperature is 11.5°C (52.7°F).

In September, the average relative humidity is 82%.

In Appeln, in September, during 16.7 rainfall days, 40mm (1.57") of precipitation is typically accumulated.

May through October are months without snowfall.

The average day length in September in Appeln, Germany, is 12h and 41min.

On the first day of September, sunrise is at 06:34 and sunset at 20:13. On the last day of the month, sunrise is at 07:25 and sunset at 19:03 CEST.

In September, the average sunshine duration is 7.3h.

In September, the average daily maximum UV index in Appeln is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's 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
Appeln, Germany

  • Average high temperature in September: 17.9°C

The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (3.8°C).

  • Average low temperature in September: 11.5°C

The month with the highest average low temperature is August (14°C).
The coldest months (with the lowest average low temperature) are January and February (0.2°C).

Average pressure in September
Appeln, Germany

  • Average pressure in September: 1016.3mbar

The month with the highest atmospheric pressure is September (1016.3mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).

Average wind speed in September
Appeln, Germany

  • Average wind speed in September: 15km/h

The windiest month (with the highest average wind speed) is December (21km/h).
The calmest month (with the lowest average wind speed) is August (14km/h).

Average humidity in September
Appeln, Germany

  • Average humidity in September: 82%

The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are April and August (79%).

Average rainfall in September
Appeln, Germany

  • Average rainfall in September: 40mm

The wettest month (with the highest rainfall) is June (62mm).
The driest month (with the least rainfall) is April (25mm).

Average rainfall days in September
Appeln, Germany

  • Average rainfall days in September: 16.7 days

The month with the highest number of rainy days is July (19.9 days).
The month with the least rainy days is February (11.5 days).

Average snowfall in September
Appeln, Germany

  • Average snowfall in September: 0mm

The month with the highest snowfall is December (35mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Appeln, Germany

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5 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
Appeln, Germany

  • Average daylight in September: 12h and 42min

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

  • Average sunshine in September: 7h and 18min

The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).

Average sunshine days in September
Appeln, Germany

  • Average sunshine days in September: 11 days

The month with the most sunshine days is March (15.7 days).
The month with the least sunshine days is July (9.2 days).

Average UV index in September
Appeln, Germany

  • Average UV index in September: 4

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

Average cloud cover in September
Appeln, Germany

  • Average cloud cover in September: 48

The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 41).

Average visibility in September
Appeln, Germany

  • Average visibility in September: 9km

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