September weather forecastDahlheim, Germany

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Dahlheim, Germany, with an average temperature ranging between min 9.2°C (48.6°F) and max 19.1°C (66.4°F).

Temperature

With the onset of September, the average high-temperature subtly recedes from August's moderately hot 23.8°C (74.8°F) to a comfortable 19.1°C (66.4°F). Nighttime temperature lowers to an average of 9.2°C (48.6°F) in September.

Humidity

The average relative humidity in September in Dahlheim, Germany, is 79%.

Rainfall

In Dahlheim, in September, it is raining for 9.5 days, with typically 16mm (0.63") of accumulated precipitation. Throughout the year, in Dahlheim, there are 136.4 rainfall days, and 244mm (9.61") of precipitation is accumulated.

Snowfall

In Dahlheim, Germany, snow does not fall in May through October.

Daylight

In September, the average length of the day in Dahlheim is 12h and 37min.
On the first day of September, sunrise is at 06:44 and sunset at 20:13. On the last day of the month, sunrise is at 07:28 and sunset at 19:09 CEST.

Sunshine

The average sunshine in September is 8.4h.

UV index

In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In September, the UV index of 3 transforms into the following advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Frequently asked questions

An average high-temperature, in September, in Dahlheim, is 19.1°C (66.4°F) and the average low-temperature is 9.2°C (48.6°F).

The average relative humidity in September is 79%.

In Dahlheim, Germany, in September, it is raining for 9.5 days, with typically 16mm (0.63") of accumulated precipitation.

May through October are months without snowfall in Dahlheim, Germany.

In September, the average day length is 12h and 37min.

On the first day of September in Dahlheim, sunrise is at 06:44 and sunset at 20:13. On the last day of the month, sunrise is at 07:28 and sunset at 19:09 CEST.

In September, the average sunshine duration in Dahlheim is 8.4h.

In Dahlheim, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents 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
Dahlheim, Germany

  • Average high temperature in September: 19.1°C

The warmest month (with the highest average high temperature) is July (24°C).
The month with the lowest average high temperature is January (3.3°C).

  • Average low temperature in September: 9.2°C

The month with the highest average low temperature is August (12.5°C).
The coldest month (with the lowest average low temperature) is February (-1.3°C).

Average pressure in September
Dahlheim, Germany

  • Average pressure in September: 1017.9mbar

The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1014.1mbar).

Average wind speed in September
Dahlheim, Germany

  • Average wind speed in September: 8.4km/h

The windiest month (with the highest average wind speed) is February (11.2km/h).
The calmest month (with the lowest average wind speed) is August (8.1km/h).

Average humidity in September
Dahlheim, Germany

  • Average humidity in September: 79%

The months with the highest relative humidity are January and December (90%).
The months with the lowest relative humidity are July and August (73%).

Average rainfall in September
Dahlheim, Germany

  • Average rainfall in September: 16mm

The wettest month (with the highest rainfall) is August (33mm).
The driest month (with the least rainfall) is January (15mm).

Average rainfall days in September
Dahlheim, Germany

  • Average rainfall days in September: 9.5 days

The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is February (9.3 days).

Average snowfall in September
Dahlheim, Germany

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (24mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Dahlheim, Germany

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).

  • Average sunshine in September: 8h and 24min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

Average sunshine days in September
Dahlheim, Germany

  • Average sunshine days in September: 17.5 days

The months with the most sunshine days are April, September and October (17.5 days).
The month with the least sunshine days is December (12.4 days).

Average UV index in September
Dahlheim, Germany

  • Average UV index in September: 3

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
Dahlheim, Germany

  • Average cloud cover in September: 40

The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in September
Dahlheim, Germany

  • Average visibility in September: 8km

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