September weather forecastBonbaden, Germany

September

Weather in September

September, the first month of the autumn in Bonbaden, is still a comfortable month, with an average temperature varying between 18.8°C (65.8°F) and 9.1°C (48.4°F).

Temperature

September indicates a minor shift in the average high-temperature, from August's warm 23.4°C (74.1°F) to a refreshing 18.8°C (65.8°F). The average temperature in Bonbaden drops to a chilly 9.1°C (48.4°F) during the night in the month of September.

Humidity

In Bonbaden, the average relative humidity in September is 79%.

Rainfall

In Bonbaden, in September, it is raining for 11.5 days, with typically 30mm (1.18") of accumulated precipitation. In Bonbaden, during the entire year, the rain falls for 168.8 days and collects up to 473mm (18.62") of precipitation.

Snowfall

In Bonbaden, Germany, snow does not fall in June through September.

Daylight

The average length of the day in September is 12h and 37min.
On the first day of September, sunrise is at 06:41 and sunset at 20:10. On the last day of the month, sunrise is at 07:25 and sunset at 19:06 CEST.

Sunshine

In September, the average sunshine is 8.3h.

UV index

In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: In September, an average UV index of 3 transforms into the following instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

Frequently asked questions

In September, the average high-temperature and low-temperature are 18.8°C (65.8°F) and 9.1°C (48.4°F) respectively.

In Bonbaden, the average relative humidity in September is 79%.

In Bonbaden, in September, it is raining for 11.5 days, with typically 30mm (1.18") of accumulated precipitation.

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

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

The average day length in September is 12h and 37min.

In September, on the first day of the month, sunrise is at 06:41 and sunset at 20:10. On the last day of the month, sunrise is at 07:25 and sunset at 19:06 CEST.

In September, the average sunshine duration is 8.3h.

In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Bonbaden, Germany

  • Average high temperature in September: 18.8°C

The warmest month (with the highest average high temperature) is July (23.8°C).
The month with the lowest average high temperature is January (2.8°C).

  • Average low temperature in September: 9.1°C

The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-1.5°C).

Average pressure in September
Bonbaden, Germany

  • Average pressure in September: 1018mbar

The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1014.2mbar).

Average wind speed in September
Bonbaden, Germany

  • Average wind speed in September: 8.9km/h

The windiest month (with the highest average wind speed) is February (12.7km/h).
The calmest month (with the lowest average wind speed) is August (8.5km/h).

Average humidity in September
Bonbaden, Germany

  • Average humidity in September: 79%

The months with the highest relative humidity are January and December (90%).
The months with the lowest relative humidity are April, July and August (74%).

Average rainfall in September
Bonbaden, Germany

  • Average rainfall in September: 30mm

The wettest month (with the highest rainfall) is August (52mm).
The driest month (with the least rainfall) is April (27mm).

Average rainfall days in September
Bonbaden, Germany

  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is July (17.3 days).
The months with the least rainy days are February and September (11.5 days).

Average snowfall in September
Bonbaden, Germany

  • Average snowfall in September: 0mm

The month with the highest snowfall is December (66mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Bonbaden, Germany

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 36min

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 6min).

  • Average sunshine in September: 8h and 18min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).

Average sunshine days in September
Bonbaden, Germany

  • Average sunshine days in September: 15 days

The month with the most sunshine days is October (16 days).
The month with the least sunshine days is December (9.5 days).

Average UV index in September
Bonbaden, Germany

  • Average UV index in September: 3

The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in September
Bonbaden, Germany

  • Average cloud cover in September: 42

The month with the most cloud cover is December (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 38).

Average visibility in September
Bonbaden, Germany

  • Average visibility in September: 8km

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