September weather forecastHellerau, Germany

September

Weather in September

September, the first month of the autumn in Hellerau, is still a refreshing month, with an average temperature varying between 18.4°C (65.1°F) and 10°C (50°F).

Temperature

A change in temperatures is noted as August gives way to September, with average highs reducing from a moderately hot 23.8°C (74.8°F) to a refreshing 18.4°C (65.1°F). Throughout September, Hellerau registers a consistent average low-temperature of 10°C (50°F).

Humidity

In September, the average relative humidity in Hellerau is 76%.

Rainfall

In Hellerau, in September, during 13 rainfall days, 36mm (1.42") of precipitation is typically accumulated. Throughout the year, there are 156.4 rainfall days, and 433mm (17.05") of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 38min.
On the first day of the month, sunrise is at 06:19 and sunset at 19:50. On the last day of September, in Hellerau, sunrise is at 07:04 and sunset at 18:44 CEST.

Sunshine

In September, the average sunshine is 8.4h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The daily high UV index of 4 during September translates into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. When the Sun is at its strongest around midday, find shade and limit exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.

Frequently asked questions

During September, Hellerau experiences an average high-temperature of 18.4°C (65.1°F) and a low-temperature of 10°C (50°F).

The average relative humidity in September is 76%.

In Hellerau, in September, during 13 rainfall days, 36mm (1.42") of precipitation is typically accumulated.

June through September are months without snowfall.

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

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

On the first day of September, sunrise is at 06:19 and sunset at 19:50. On the last day of the month, sunrise is at 07:04 and sunset at 18:44 CEST.

In September, the average sunshine duration is 8.4h.

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Hellerau, Germany

  • Average high temperature in September: 18.4°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 (1.3°C).

  • Average low temperature in September: 10°C

The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is January (-3°C).

Average pressure in September
Hellerau, 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
Hellerau, Germany

  • Average wind speed in September: 10.9km/h

The windiest month (with the highest average wind speed) is December (16.5km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).

Average humidity in September
Hellerau, Germany

  • Average humidity in September: 76%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (70%).

Average rainfall in September
Hellerau, Germany

  • Average rainfall in September: 36mm

The wettest months (with the highest rainfall) are July and August (57mm).
The driest month (with the least rainfall) is April (22mm).

Average rainfall days in September
Hellerau, Germany

  • Average rainfall days in September: 13 days

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (7.5 days).

Average snowfall in September
Hellerau, Germany

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (113mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Hellerau, Germany

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Hellerau, 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 24min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days in September
Hellerau, Germany

  • Average sunshine days in September: 15.3 days

The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is July (9.8 days).

Average UV index in September
Hellerau, 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
Hellerau, Germany

  • Average cloud cover in September: 41

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
Hellerau, 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).