September weather forecastRottwerndorf, Germany

September

Weather in September

September, the first month of the autumn in Rottwerndorf, is still a refreshing month, with an average temperature varying between 9.7°C (49.5°F) and 18.5°C (65.3°F).

Temperature

September indicates a shift in the average high-temperature, from August's moderately hot 23.8°C (74.8°F) to a comfortable 18.5°C (65.3°F). Rottwerndorf records an average nighttime low of 9.7°C (49.5°F) in September.

Humidity

In September, the average relative humidity is 76%.

Rainfall

In Rottwerndorf, during September, the rain falls for 12.4 days and regularly aggregates up to 35mm (1.38") of precipitation. In Rottwerndorf, during the entire year, the rain falls for 162.7 days and collects up to 456mm (17.95") of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day in Rottwerndorf is 12h and 38min.
On the first day of September, sunrise is at 06:18 and sunset at 19:49. On the last day of the month, sunrise is at 07:03 and sunset at 18:44 CEST.

Sunshine

The average sunshine in September is 8.5h.

UV index

In September, the average daily maximum UV index in Rottwerndorf is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, the UV index of 4 transforms into the following advice:
Be vigilant - A duty to shield skin and eyes from injury exists. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

Frequently asked questions

September temperatures vary between a high-temperature of 18.5°C (65.3°F) and a low-temperature of 9.7°C (49.5°F).

In September, the average relative humidity is 76%.

In Rottwerndorf, Germany, in September, during 12.4 rainfall days, 35mm (1.38") of precipitation is typically accumulated.

June through September are months without snowfall in Rottwerndorf.

In Rottwerndorf, in September, it doesn't snow. In October, it regularly snows.

The average day length in September is 12h and 38min.

On the first day of September, sunrise is at 06:18 and sunset at 19:49. On the last day of the month, sunrise is at 07:03 and sunset at 18:44 CEST.

The average sunshine duration in September is 8.5h.

In Rottwerndorf, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk from 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
Rottwerndorf, Germany

  • Average high temperature in September: 18.5°C

The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (1.2°C).

  • Average low temperature in September: 9.7°C

The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is January (-3.3°C).

Average pressure in September
Rottwerndorf, Germany

  • Average pressure in September: 1017.6mbar

The month with the highest atmospheric pressure is October (1017.9mbar).
The month with the lowest atmospheric pressure is July (1014.8mbar).

Average wind speed in September
Rottwerndorf, Germany

  • Average wind speed in September: 10.1km/h

The windiest month (with the highest average wind speed) is December (15km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).

Average humidity in September
Rottwerndorf, Germany

  • Average humidity in September: 76%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (71%).

Average rainfall in September
Rottwerndorf, Germany

  • Average rainfall in September: 35mm

The wettest month (with the highest rainfall) is August (59mm).
The driest month (with the least rainfall) is April (23mm).

Average rainfall days in September
Rottwerndorf, Germany

  • Average rainfall days in September: 12.4 days

The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is February (8.2 days).

Average snowfall in September
Rottwerndorf, Germany

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (100mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Rottwerndorf, Germany

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).

  • Average sunshine in September: 8h and 30min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in September
Rottwerndorf, Germany

  • Average sunshine days in September: 15.4 days

The month with the most sunshine days is October (16.6 days).
The month with the least sunshine days is July (9.3 days).

Average UV index in September
Rottwerndorf, 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 November and December (UV index 1).

Average cloud cover in September
Rottwerndorf, Germany

  • Average cloud cover in September: 40

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in September
Rottwerndorf, Germany

  • Average visibility in September: 9km

The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (7km).