September weather forecastKlotten, Germany

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Klotten, Germany, with temperature in the range of an average high of 18.6°C (65.5°F) and an average low of 8.9°C (48°F).

Temperature

The start of September comes with a small reduction in the average high-temperature, subtly receding from a pleasant 22.8°C (73°F) in August to a refreshing 18.6°C (65.5°F). Klotten's average low-temperature in September is measured at a chilly 8.9°C (48°F).

Humidity

The average relative humidity in September in Klotten is 80%.

Rainfall

September is the month with the least rainfall in Klotten. Rain falls for 4.6 days and accumulates 5mm (0.2") of precipitation.

Snowfall

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

Daylight

In September, the average length of the day in Klotten is 12h and 37min.
On the first day of the month, sunrise is at 06:46 and sunset at 20:15. On the last day of September, in Klotten, sunrise is at 07:30 and sunset at 19:11 CEST.

Sunshine

In September, the average sunshine is 8.3h.

UV index

The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Ensure safety - Recommendations to avert sunburn are presented. Around midday, solar radiation is most harmful; hence, exposure should be limited. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

The high-temperature, in September, in Klotten, records 18.6°C (65.5°F), while the low-temperature is 8.9°C (48°F).

The average relative humidity in September in Klotten is 80%.

The month with the least rainfall in Klotten is September, when the rain falls for 4.6 days and typically collects 5mm (0.2") of precipitation.

In September, in Klotten, Germany, the rain falls for 4.6 days. Throughout September, 5mm (0.2") of precipitation is accumulated.

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

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

In September, the average day length is 12h and 37min.

In September, on the first day of the month, sunrise is at 06:46 and sunset at 20:15. On the last day of the month, in Klotten, Germany, sunrise is at 07:30 and sunset at 19:11 CEST.

The average sunshine duration in September in Klotten, Germany, is 8.3h.

In Klotten, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to 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
Klotten, Germany

  • Average high temperature in September: 18.6°C

The warmest month (with the highest average high temperature) is July (22.9°C).
The month with the lowest average high temperature is January (2.9°C).

  • Average low temperature in September: 8.9°C

The month with the highest average low temperature is August (12.2°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).

Average pressure in September
Klotten, Germany

  • Average pressure in September: 1017.9mbar

The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1014mbar).

Average wind speed in September
Klotten, Germany

  • Average wind speed in September: 9km/h

The windiest months (with the highest average wind speed) are February and December (12.7km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).

Average humidity in September
Klotten, Germany

  • Average humidity in September: 80%

The months with the highest relative humidity are January and December (90%).
The months with the lowest relative humidity are April, July and August (75%).

Average rainfall in September
Klotten, Germany

  • Average rainfall in September: 5mm

The wettest month (with the highest rainfall) is August (13mm).
The driest month (with the least rainfall) is September (5mm).

Average rainfall days in September
Klotten, Germany

  • Average rainfall days in September: 4.6 days

The month with the highest number of rainy days is May (7.7 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in September
Klotten, Germany

  • Average snowfall in September: 0mm

The months with the highest snowfall are February and December (12mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Klotten, Germany

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).

  • Average sunshine in September: 8h and 18min

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

Average sunshine days in September
Klotten, Germany

  • Average sunshine days in September: 23 days

The month with the most sunshine days is March (23.3 days).
The month with the least sunshine days is December (19.5 days).

Average UV index in September
Klotten, Germany

  • Average UV index in September: 3

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Klotten, Germany

  • Average cloud cover in September: 40

The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in September
Klotten, Germany

  • Average visibility in September: 8km

The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are January, November and December (7km).