September weather forecast
Arnstadt, Germany

September

Weather in September

September, the first month of the autumn in Arnstadt, is still a refreshing month, with an average temperature fluctuating between 10.1°C (50.2°F) and 19.4°C (66.9°F).

Temperature

September ushers in a minute temperature change, with average high-temperatures reducing from August's moderately hot 24.2°C (75.6°F) to an enjoyable 19.4°C (66.9°F). Throughout September nights, Arnstadt registers an average low-temperature of 10.1°C (50.2°F).

Humidity

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

Rainfall

In Arnstadt, in September, during 10 rainfall days, 22mm (0.87") of precipitation is typically accumulated. In Arnstadt, during the entire year, the rain falls for 130.6 days and collects up to 302mm (11.89") of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September in Arnstadt is 12h and 38min.
On the first day of the month, sunrise is at 06:30 and sunset at 20:01. On the last day of September, sunrise is at 07:15 and sunset at 18:56 CEST.

Sunshine

The average sunshine in September is 8.5h.

UV index

In Arnstadt, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: In September, an average UV index of 4 transforms into the following instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

What is the usual temperature for Arnstadt in September?
The average high-temperature, in September, in Arnstadt, is 19.4°C (66.9°F), while the average low-temperature is 10.1°C (50.2°F).
What is the average humidity in September in Arnstadt?
In Arnstadt, Germany, the average relative humidity in September is 74%.
How much does it rain in Arnstadt in September?
In Arnstadt, Germany, during September, the rain falls for 10 days and regularly aggregates up to 22mm (0.87") of precipitation.
When it does not snow in Arnstadt?
In Arnstadt, snow does not fall in June through September.
Does it snow in Arnstadt in September?
In Arnstadt, Germany, in September, it doesn't snow. In October, it regularly snows.
What is the average length of the day in September in Arnstadt?
In September, the average day length in Arnstadt, Germany, is 12h and 38min.
When are sunrise and sunset in September in Arnstadt?
On the first day of September, sunrise is at 06:30 and sunset at 20:01. On the last day of the month, sunrise is at 07:15 and sunset at 18:56 CEST.
How long on average sun shines in September in Arnstadt?
In Arnstadt, Germany, the average sunshine duration in September is 8.5h.
What is the UV index reading in September in Arnstadt?
The average daily maximum UV index in September in Arnstadt is 4. A UV Index value of 3 to 5 symbolizes a medium health risk 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 - Arnstadt, Germany
Average temperature in September
Arnstadt, Germany
  • Average high temperature in September: 19.4°C

The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (2.3°C).

  • Average low temperature in September: 10.1°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 (-2.2°C).

Average pressure in September - Arnstadt, Germany
Average pressure in September
Arnstadt, Germany
  • Average pressure in September: 1017.7mbar

The months with the highest atmospheric pressure are September and October (1017.7mbar).
The month with the lowest atmospheric pressure is November (1014.4mbar).

Average wind speed in September - Arnstadt, Germany
Average wind speed in September
Arnstadt, Germany
  • Average wind speed in September: 10.3km/h

The windiest month (with the highest average wind speed) is December (15.8km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).

Average humidity in September - Arnstadt, Germany
Average humidity in September
Arnstadt, Germany
  • Average humidity in September: 74%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (68%).

Average rainfall in September - Arnstadt, Germany
Average rainfall in September
Arnstadt, Germany
  • Average rainfall in September: 22mm

The wettest month (with the highest rainfall) is June (41mm).
The driest month (with the least rainfall) is April (15mm).

Average rainfall days in September - Arnstadt, Germany
Average rainfall days in September
Arnstadt, Germany
  • Average rainfall days in September: 10 days

The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is February (7.6 days).

Average snowfall in September - Arnstadt, Germany
Average snowfall in September
Arnstadt, Germany
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (47mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September - Arnstadt, Germany
Average snowfall days in September
Arnstadt, Germany
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Arnstadt, Germany
Average daylight in September /
Average sunshine in September
Arnstadt, Germany
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).

  • Average sunshine in September: 8h and 3min

The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in September - Arnstadt, Germany
Average sunshine days in September
Arnstadt, Germany
  • Average sunshine days in September: 16.9 days

The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is June (12.7 days).

Average UV index in September - Arnstadt, Germany
Average UV index in September
Arnstadt, 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, March, November and December (UV index 2).

Average cloud cover in September - Arnstadt, Germany
Average cloud cover in September
Arnstadt, Germany
  • Average cloud cover in September: 40

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in September - Arnstadt, Germany
Average visibility in September
Arnstadt, Germany
  • Average visibility in September: 9km

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

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