September weather forecastDienheim, Germany

September

Weather in September

The first month of the autumn, September, is still a pleasant month in Dienheim, Germany, with an average temperature fluctuating between 20.2°C (68.4°F) and 11.1°C (52°F).

Temperature

The arrival of September signals a subtle shift in temperature, down from a warm 24.9°C (76.8°F) in August to a pleasant 20.2°C (68.4°F). Throughout September, an average low-temperature of 11.1°C (52°F) is experienced.

Humidity

In September, the average relative humidity is 73%.

Rainfall

In Dienheim, in September, during 9.6 rainfall days, 22mm (0.87") of precipitation is typically accumulated. Throughout the year, in Dienheim, there are 146.5 rainfall days, and 366mm (14.41") of precipitation is accumulated.

Snowfall

In Dienheim, snow does not fall in May through October.

Daylight

In September, the average length of the day in Dienheim is 12h and 37min.
On the first day of September, sunrise is at 06:42 and sunset at 20:10. On the last day of the month, sunrise is at 07:25 and sunset at 19:07 CEST.

Sunshine

In Dienheim, the average sunshine in September is 8.6h.

UV index

In Dienheim, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Around midday, solar radiation is most harmful; hence, exposure should be limited. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.

Frequently asked questions

The average high-temperature and low-temperature in Dienheim during September are 20.2°C (68.4°F) and 11.1°C (52°F) respectively.

The average relative humidity in September in Dienheim is 73%.

In Dienheim, in September, during 9.6 rainfall days, 22mm (0.87") of precipitation is typically accumulated.

In Dienheim, Germany, snow does not fall in May through October.

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

On the first day of September in Dienheim, sunrise is at 06:42 and sunset at 20:10. On the last day of the month, sunrise is at 07:25 and sunset at 19:07 CEST.

The average sunshine duration in September in Dienheim, Germany, is 8.6h.

In Dienheim, Germany, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Dienheim, Germany

  • Average high temperature in September: 20.2°C

The warmest month (with the highest average high temperature) is July (25.2°C).
The month with the lowest average high temperature is January (3.7°C).

  • Average low temperature in September: 11.1°C

The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-0.5°C).

Average pressure in September
Dienheim, Germany

  • Average pressure in September: 1018.1mbar

The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1014.5mbar).

Average wind speed in September
Dienheim, Germany

  • Average wind speed in September: 8.9km/h

The windiest months (with the highest average wind speed) are February and March (11.9km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).

Average humidity in September
Dienheim, Germany

  • Average humidity in September: 73%

The month with the highest relative humidity is December (87%).
The months with the lowest relative humidity are July and August (67%).

Average rainfall in September
Dienheim, Germany

  • Average rainfall in September: 22mm

The wettest month (with the highest rainfall) is July (45mm).
The driest month (with the least rainfall) is April (19mm).

Average rainfall days in September
Dienheim, Germany

  • Average rainfall days in September: 9.6 days

The month with the highest number of rainy days is July (14.7 days).
The months with the least rainy days are February and September (9.6 days).

Average snowfall in September
Dienheim, Germany

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (39mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Dienheim, Germany

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (5.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Dienheim, 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 12min).

  • Average sunshine in September: 8h and 36min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).

Average sunshine days in September
Dienheim, Germany

  • Average sunshine days in September: 17.9 days

The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is December (12 days).

Average UV index in September
Dienheim, Germany

  • Average UV index in September: 4

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

Average cloud cover in September
Dienheim, Germany

  • Average cloud cover in September: 37

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

Average visibility in September
Dienheim, Germany

  • Average visibility in September: 9km

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