September weather forecastRumpenheim, Germany

September

Weather in September

The first month of the autumn, September, is also an agreeable month in Rumpenheim, Germany, with temperature in the range of an average high of 20°C (68°F) and an average low of 11°C (51.8°F).

Temperature

During the shift to September, a minor reduction in average high-temperature is observed, shifting from a moderately hot 24.9°C (76.8°F) in August to a pleasant 20°C (68°F). Throughout September, Rumpenheim's nights cool down to an average of 11°C (51.8°F).

Humidity

The average relative humidity in September in Rumpenheim, Germany, is 74%.

Rainfall

In September, in Rumpenheim, Germany, the rain falls for 10.1 days. Throughout September, 23mm (0.91") of precipitation is accumulated. In Rumpenheim, during the entire year, the rain falls for 152.6 days and collects up to 379mm (14.92") of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 37min.
On the first day of the month, sunrise is at 06:40 and sunset at 20:08. On the last day of September, in Rumpenheim, sunrise is at 07:24 and sunset at 19:05 CEST.

Sunshine

In Rumpenheim, the average sunshine in September is 8.8h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 4 in September translates into this advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.

Frequently asked questions

An average high-temperature, in September, in Rumpenheim, is 20°C (68°F) and the average low-temperature is 11°C (51.8°F).

In September, the average relative humidity in Rumpenheim, Germany, is 74%.

In Rumpenheim, Germany, in September, it is raining for 10.1 days, with typically 23mm (0.91") of accumulated precipitation.

May through September are months without snowfall in Rumpenheim, Germany.

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

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

In September, on the first day of the month, sunrise is at 06:40 and sunset at 20:08. On the last day of the month, in Rumpenheim, Germany, sunrise is at 07:24 and sunset at 19:05 CEST.

The average sunshine duration in September in Rumpenheim is 8.8h.

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

Average temperature in September
Rumpenheim, Germany

  • Average high temperature in September: 20°C

The warmest month (with the highest average high temperature) is July (25.1°C).
The month with the lowest average high temperature is January (3.5°C).

  • Average low temperature in September: 11°C

The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is January (-0.7°C).

Average pressure in September
Rumpenheim, Germany

  • Average pressure in September: 1018.1mbar

The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1014.6mbar).

Average wind speed in September
Rumpenheim, Germany

  • Average wind speed in September: 8.9km/h

The windiest month (with the highest average wind speed) is February (12.5km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).

Average humidity in September
Rumpenheim, Germany

  • Average humidity in September: 74%

The months with the highest relative humidity are January and December (87%).
The months with the lowest relative humidity are July and August (68%).

Average rainfall in September
Rumpenheim, Germany

  • Average rainfall in September: 23mm

The wettest month (with the highest rainfall) is December (45mm).
The driest month (with the least rainfall) is April (21mm).

Average rainfall days in September
Rumpenheim, Germany

  • Average rainfall days in September: 10.1 days

The month with the highest number of rainy days is December (15.9 days).
The month with the least rainy days is September (10.1 days).

Average snowfall in September
Rumpenheim, Germany

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (48mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Rumpenheim, Germany

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (7 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
Rumpenheim, 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 48min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).

Average sunshine days in September
Rumpenheim, Germany

  • Average sunshine days in September: 18.5 days

The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is December (10 days).

Average UV index in September
Rumpenheim, 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
Rumpenheim, Germany

  • Average cloud cover in September: 36

The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in September
Rumpenheim, 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).