September weather forecastGachenbach, Germany

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Gachenbach, Germany, with an average temperature fluctuating between 9.2°C (48.6°F) and 18.7°C (65.7°F).

Temperature

Transition into September subtly marks a drop in the average high-temperature, moderately moving from a warm 23.3°C (73.9°F) in August to a comfortable 18.7°C (65.7°F). Throughout September, the nighttime temperature averages to a frosty 9.2°C (48.6°F).

Humidity

The average relative humidity in September in Gachenbach, Germany, is 81%.

Rainfall

In Gachenbach, in September, during 13.2 rainfall days, 33mm (1.3") of precipitation is typically accumulated. Throughout the year, in Gachenbach, there are 166.6 rainfall days, and 490mm (19.29") of precipitation is accumulated.

Snowfall

In Gachenbach, snow does not fall in May through September.

Daylight

The average length of the day in September is 12h and 35min.
On the first day of September in Gachenbach, sunrise is at 06:33 and sunset at 19:56. On the last day of the month, sunrise is at 07:13 and sunset at 18:56 CEST.

Sunshine

In Gachenbach, the average sunshine in September is 8.7h.

UV index

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: A maximum high daily UV index of 4 during September translates into the following directions:
Take necessary precautions - Protection from skin and eye injury is mandatory. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.

Frequently asked questions

In Gachenbach, in September, the average high-temperature is 18.7°C (65.7°F), and the average low-temperature is 9.2°C (48.6°F).

In September, the average relative humidity in Gachenbach, Germany, is 81%.

In Gachenbach, during September, the rain falls for 13.2 days and regularly aggregates up to 33mm (1.3") of precipitation.

In Gachenbach, snow does not fall in May through September.

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

In Gachenbach, Germany, the average day length in September is 12h and 35min.

In September, on the first day of the month, sunrise is at 06:33 and sunset at 19:56. On the last day of the month, in Gachenbach, sunrise is at 07:13 and sunset at 18:56 CEST.

In September, the average sunshine duration in Gachenbach is 8.7h.

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Gachenbach, Germany

  • Average high temperature in September: 18.7°C

The warmest month (with the highest average high temperature) is July (23.5°C).
The month with the lowest average high temperature is January (2.1°C).

  • Average low temperature in September: 9.2°C

The month with the highest average low temperature is August (13.1°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).

Average pressure in September
Gachenbach, Germany

  • Average pressure in September: 1018.5mbar

The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is November (1015.6mbar).

Average wind speed in September
Gachenbach, Germany

  • Average wind speed in September: 8.7km/h

The windiest month (with the highest average wind speed) is March (13km/h).
The calmest month (with the lowest average wind speed) is August (8.6km/h).

Average humidity in September
Gachenbach, Germany

  • Average humidity in September: 81%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (75%).

Average rainfall in September
Gachenbach, Germany

  • Average rainfall in September: 33mm

The wettest month (with the highest rainfall) is August (65mm).
The driest month (with the least rainfall) is November (25mm).

Average rainfall days in September
Gachenbach, Germany

  • Average rainfall days in September: 13.2 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (9.3 days).

Average snowfall in September
Gachenbach, Germany

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (104mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Gachenbach, Germany

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in September: 8h and 42min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in September
Gachenbach, Germany

  • Average sunshine days in September: 14.1 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (8.3 days).

Average UV index in September
Gachenbach, Germany

  • Average UV index in September: 4

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

Average cloud cover in September
Gachenbach, Germany

  • Average cloud cover in September: 38

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in September
Gachenbach, Germany

  • Average visibility in September: 9km

The months with the highest visibility are March, April, May, June, July, August and September (9km).
The month with the lowest visibility is January (7km).