September weather forecast
Reihen, Germany

September

Weather in September

September, the first month of the autumn in Reihen, is still a pleasant month, with an average temperature fluctuating between 20.6°C (69.1°F) and 10.9°C (51.6°F).

Temperature

September's onset brings a slight change in high-temperatures, falling from a warm 25.7°C (78.3°F) in August to an agreeable 20.6°C (69.1°F). The nighttime temperature in Reihen, Germany, during September, averages of 10.9°C (51.6°F).

Humidity

In Reihen, the average relative humidity in September is 74%.

Rainfall

In Reihen, during September, the rain falls for 9.6 days and regularly aggregates up to 20mm (0.79") of precipitation. In Reihen, during the entire year, the rain falls for 143.7 days and collects up to 326mm (12.83") of precipitation.

Snowfall

In Reihen, snow does not fall in April through October.

Daylight

In Reihen, the average length of the day in September is 12h and 36min.
On the first day of September in Reihen, sunrise is at 06:41 and sunset at 20:07. On the last day of the month, sunrise is at 07:23 and sunset at 19:05 CEST.

Sunshine

The average sunshine in September in Reihen is 8.8h.

UV index

In Reihen, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The daily high UV index of 4 in September translates into this advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.

Frequently asked questions

What are the temperatures in Reihen in September?
In September, the average high-temperature and low-temperature in Reihen, Germany, are 20.6°C (69.1°F) and 10.9°C (51.6°F) respectively.
What is the average humidity in September in Reihen?
In Reihen, the average relative humidity in September is 74%.
How much does it rain in Reihen in September?
In September, in Reihen, Germany, the rain falls for 9.6 days. Throughout September, 20mm (0.79") of precipitation is accumulated.
When it does not snow in Reihen?
In Reihen, snow does not fall in April through October.
What is the average length of the day in September in Reihen?
In Reihen, Germany, the average day length in September is 12h and 36min.
What time are sunrise and sunset in September in Reihen?
On the first day of September, sunrise is at 06:41 and sunset at 20:07. On the last day of the month, sunrise is at 07:23 and sunset at 19:05 CEST.
How many hours of sunshine does Reihen have in September?
In September, the average sunshine duration in Reihen is 8.8h.
What is the UV index intensity in September in Reihen?
The average daily maximum UV index in September in Reihen is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Reihen, Germany
  • Average high temperature in September: 20.6°C

The warmest month (with the highest average high temperature) is August (25.7°C).
The month with the lowest average high temperature is January (4.1°C).

  • Average low temperature in September: 10.9°C

The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-0.5°C).

Average pressure in September
Reihen, Germany
  • Average pressure in September: 1018.4mbar

The month with the highest atmospheric pressure is December (1019.4mbar).
The month with the lowest atmospheric pressure is November (1015.1mbar).

Average wind speed in September
Reihen, Germany
  • Average wind speed in September: 8.6km/h

The windiest month (with the highest average wind speed) is February (12.3km/h).
The calmest month (with the lowest average wind speed) is August (8.5km/h).

Average humidity in September
Reihen, Germany
  • Average humidity in September: 74%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (68%).

Average rainfall in September
Reihen, Germany
  • Average rainfall in September: 20mm

The wettest month (with the highest rainfall) is May (46mm).
The driest month (with the least rainfall) is April (16mm).

Average rainfall days in September
Reihen, Germany
  • Average rainfall days in September: 9.6 days

The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is September (9.6 days).

Average snowfall in September
Reihen, Germany
  • Average snowfall in September: 0mm

The month with the highest snowfall is December (30mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Reihen, Germany
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (6.5 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
Reihen, Germany
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).

Average sunshine days in September
Reihen, Germany
  • Average sunshine days in September: 17.9 days

The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is May (12.8 days).

Average UV index in September
Reihen, Germany
  • Average UV index in September: 4

The months with the highest UV index are May, 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
Reihen, Germany
  • Average cloud cover in September: 34

The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in September
Reihen, Germany
  • Average visibility in September: 9km

The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and December (8km).

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