September weather forecastLeer, Germany

September

Weather in September

September, the first month of the autumn in Leer, is also an enjoyable month, with an average temperature varying between 12.1°C (53.8°F) and 17.9°C (64.2°F).

Temperature

The start of September comes with a small reduction in the average high-temperature, subtly receding from an agreeable 21.2°C (70.2°F) in August to a comfortable 17.9°C (64.2°F). Throughout September, a steady low-temperature average of 12.1°C (53.8°F) is noted.

Humidity

The average relative humidity in September is 81%.

Rainfall

In Leer, in September, during 11.9 rainfall days, 16mm (0.63") of precipitation is typically accumulated. Throughout the year, in Leer, there are 146.3 rainfall days, and 214mm (8.43") of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in September in Leer is 12h and 41min.
On the first day of September, sunrise is at 06:40 and sunset at 20:19. On the last day of the month, sunrise is at 07:30 and sunset at 19:09 CEST.

Sunshine

The average sunshine in September is 7.3h.

UV index

The average daily maximum UV index in September in Leer is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 4 during September translates into the following guidance:
Heed the precautions - Suggestions to avoid sunburn are made. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.

Frequently asked questions

In Leer, in September, the average high-temperature is 17.9°C (64.2°F), and the average low-temperature is 12.1°C (53.8°F).

In September, the average relative humidity in Leer, Germany, is 81%.

In Leer, in September, it is raining for 11.9 days, with typically 16mm (0.63") of accumulated precipitation.

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

In Leer, Germany, the average day length in September is 12h and 41min.

In September, on the first day of the month, sunrise is at 06:40 and sunset at 20:19. On the last day of the month, sunrise is at 07:30 and sunset at 19:09 CEST.

In September, the average sunshine duration in Leer is 7.3h.

In September, the average daily maximum UV index in Leer, Germany, 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
Leer, Germany

  • Average high temperature in September: 17.9°C

The warmest month (with the highest average high temperature) is August (21.2°C).
The month with the lowest average high temperature is January (4.2°C).

  • Average low temperature in September: 12.1°C

The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (0.9°C).

Average pressure in September
Leer, Germany

  • Average pressure in September: 1016.3mbar

The months with the highest atmospheric pressure are May and September (1016.3mbar).
The month with the lowest atmospheric pressure is November (1011.1mbar).

Average wind speed in September
Leer, Germany

  • Average wind speed in September: 16.1km/h

The windiest month (with the highest average wind speed) is December (22.4km/h).
The calmest month (with the lowest average wind speed) is July (14.7km/h).

Average humidity in September
Leer, Germany

  • Average humidity in September: 81%

The month with the highest relative humidity is December (88%).
The months with the lowest relative humidity are April and August (78%).

Average rainfall in September
Leer, Germany

  • Average rainfall in September: 16mm

The wettest month (with the highest rainfall) is August (26mm).
The driest month (with the least rainfall) is April (11mm).

Average rainfall days in September
Leer, Germany

  • Average rainfall days in September: 11.9 days

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (9.5 days).

Average snowfall in September
Leer, 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
Leer, Germany

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Leer, 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 months with the most sunshine are July and August (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

Average sunshine days in September
Leer, Germany

  • Average sunshine days in September: 14.2 days

The month with the most sunshine days is April (17.8 days).
The month with the least sunshine days is July (11.1 days).

Average UV index in September
Leer, Germany

  • Average UV index in September: 4

The months with the highest UV index are 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
Leer, Germany

  • Average cloud cover in September: 46

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

Average visibility in September
Leer, Germany

  • Average visibility in September: 9km

The months with the highest visibility are February, March, April, June and August (10km).
The months with the lowest visibility are January, May, July, September, October, November and December (9km).