September weather forecastWeimar, Germany

September

Weather in September

September, the first month of the autumn in Weimar, is still a refreshing month, with an average temperature fluctuating between 10.2°C (50.4°F) and 19.2°C (66.6°F).

Temperature

September signals a slight drop in average high-temperature, sliding from August's moderately hot 24.1°C (75.4°F) to a refreshing 19.2°C (66.6°F). An average low-temperature of 10.2°C (50.4°F) is noted during the nights in September.

Humidity

In September, the average relative humidity is 74%.

Rainfall

In Weimar, in September, it is raining for 12.2 days, with typically 31mm (1.22") of accumulated precipitation. Throughout the year, there are 155.6 rainfall days, and 393mm (15.47") of precipitation is accumulated.

Snowfall

In Weimar, snow does not fall in June through September.

Daylight

The average length of the day in September is 12h and 38min.
On the first day of September, sunrise is at 06:29 and sunset at 20:00. On the last day of the month, sunrise is at 07:14 and sunset at 18:54 CEST.

Sunshine

The average sunshine in September is 8.5h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 4 in September transforms into the following instructions:
Guard yourself - Precautionary measures against sun damage are advocated. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Enhance your sun protection with tightly woven, yet airy clothing.

Frequently asked questions

The high-temperature, in September, in Weimar, is 19.2°C (66.6°F), while the low-temperature averages to 10.2°C (50.4°F).

The average relative humidity in September is 74%.

In Weimar, in September, during 12.2 rainfall days, 31mm (1.22") of precipitation is typically accumulated.

In Weimar, snow does not fall in June through September.

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

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

On the first day of September, sunrise is at 06:29 and sunset at 20:00. On the last day of the month, sunrise is at 07:14 and sunset at 18:54 CEST.

In Weimar, the average sunshine duration in September is 8.5h.

In Weimar, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents 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
Weimar, Germany

  • Average high temperature in September: 19.2°C

The warmest month (with the highest average high temperature) is August (24.1°C).
The month with the lowest average high temperature is January (2°C).

  • Average low temperature in September: 10.2°C

The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (-2.6°C).

Average pressure in September
Weimar, 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 (1014.5mbar).

Average wind speed in September
Weimar, 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 (9.9km/h).

Average humidity in September
Weimar, Germany

  • Average humidity in September: 74%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (69%).

Average rainfall in September
Weimar, Germany

  • Average rainfall in September: 31mm

The wettest months (with the highest rainfall) are May, June and August (48mm).
The driest month (with the least rainfall) is April (19mm).

Average rainfall days in September
Weimar, Germany

  • Average rainfall days in September: 12.2 days

The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is February (8.3 days).

Average snowfall in September
Weimar, Germany

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (64mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Weimar, Germany

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Weimar, 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 48min).

Average sunshine days in September
Weimar, Germany

  • Average sunshine days in September: 14.7 days

The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is June (9.1 days).

Average UV index in September
Weimar, 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
Weimar, 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 35).

Average visibility in September
Weimar, Germany

  • Average visibility in September: 9km

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