September weather forecastMarl, Germany

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Marl, Germany, with an average temperature ranging between min 11.5°C (52.7°F) and max 19.1°C (66.4°F).

Temperature

The advent of September brings a subtle shift in temperature, with the average high moving from a moderately hot 23.3°C (73.9°F) in August to a refreshing 19.1°C (66.4°F). In the month of September, Marl records a consistent average low-temperature of 11.5°C (52.7°F).

Humidity

In Marl, the average relative humidity in September is 77%.

Rainfall

In Marl, Germany, in September, during 11.5 rainfall days, 20mm (0.79") of precipitation is typically accumulated. Throughout the year, there are 159.2 rainfall days, and 312mm (12.28") of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In Marl, Germany, the average length of the day in September is 12h and 38min.
On the first day of the month, sunrise is at 06:44 and sunset at 20:17. On the last day of September, sunrise is at 07:31 and sunset at 19:11 CEST.

Sunshine

In September, the average sunshine is 8h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: In September, a regular UV index of 4 translates into these guidelines:
Adopt protective measures - Suggestions to resist sunburn are offered. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

Frequently asked questions

The average high-temperature, in September, in Marl, is 19.1°C (66.4°F), while the average low-temperature is 11.5°C (52.7°F).

The average relative humidity in September in Marl is 77%.

In Marl, in September, it is raining for 11.5 days, with typically 20mm (0.79") of accumulated precipitation.

April through October are months without snowfall in Marl.

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

On the first day of September in Marl, Germany, sunrise is at 06:44 and sunset at 20:17. On the last day of the month, sunrise is at 07:31 and sunset at 19:11 CEST.

In September, the average sunshine duration in Marl, Germany, is 8h.

The average daily maximum UV index in September in Marl, Germany, is 4. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Marl, Germany

  • Average high temperature in September: 19.1°C

The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (4.2°C).

  • Average low temperature in September: 11.5°C

The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is January (0.4°C).

Average pressure in September
Marl, 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 (1012.8mbar).

Average wind speed in September
Marl, Germany

  • Average wind speed in September: 11.2km/h

The windiest month (with the highest average wind speed) is December (16.8km/h).
The calmest months (with the lowest average wind speed) are July and August (11km/h).

Average humidity in September
Marl, Germany

  • Average humidity in September: 77%

The month with the highest relative humidity is December (88%).
The months with the lowest relative humidity are April and August (72%).

Average rainfall in September
Marl, Germany

  • Average rainfall in September: 20mm

The wettest months (with the highest rainfall) are July, August and December (33mm).
The driest month (with the least rainfall) is April (16mm).

Average rainfall days in September
Marl, Germany

  • Average rainfall days in September: 11.5 days

The months with the highest number of rainy days are July and August (16.6 days).
The month with the least rainy days is February (11.1 days).

Average snowfall in September
Marl, Germany

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (26mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Marl, Germany

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.4 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
Marl, 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 0min

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 30min).

Average sunshine days in September
Marl, Germany

  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is October (16.6 days).
The month with the least sunshine days is July (11.8 days).

Average UV index in September
Marl, 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
Marl, Germany

  • Average cloud cover in September: 43

The month with the most cloud cover is December (Cloud cover 67).
The months with the least cloud cover are April and August (Cloud cover 40).

Average visibility in September
Marl, 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).