September weather forecastNidderau, Germany

September

Weather in September

The first month of the autumn, September, is still a pleasant month in Nidderau, Germany, with an average temperature varying between 20°C (68°F) and 10.5°C (50.9°F).

Temperature

The transition into September involves a small decrease in the average high-temperature, dipping slightly from a warm 24.8°C (76.6°F) in August to a pleasant 20°C (68°F). Nidderau's average low-temperature for the month of September records at a cool 10.5°C (50.9°F).

Humidity

The average relative humidity in September is 75%.

Rainfall

In Nidderau, in September, it is raining for 9.5 days, with typically 20mm (0.79") of accumulated precipitation. In Nidderau, during the entire year, the rain falls for 139.5 days and collects up to 293mm (11.54") of precipitation.

Snowfall

April 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 06:39 and sunset at 20:08. On the last day of September, sunrise is at 07:23 and sunset at 19:04 CEST.

Sunshine

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

UV index

In Nidderau, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: An average maximum UV index of 4 in September leads to these recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.

Frequently asked questions

The high-temperature during September is 20°C (68°F) and the low-temperature is 10.5°C (50.9°F).

In September, the average relative humidity is 75%.

In Nidderau, in September, it is raining for 9.5 days, with typically 20mm (0.79") of accumulated precipitation.

April through September are months without snowfall in Nidderau.

In Nidderau, 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 06:39 and sunset at 20:08. On the last day of the month, in Nidderau, sunrise is at 07:23 and sunset at 19:04 CEST.

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

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health risk 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
Nidderau, Germany

  • Average high temperature in September: 20°C

The warmest month (with the highest average high temperature) is July (24.9°C).
The month with the lowest average high temperature is January (3.4°C).

  • Average low temperature in September: 10.5°C

The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is January (-0.9°C).

Average pressure in September
Nidderau, 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 (1014.6mbar).

Average wind speed in September
Nidderau, Germany

  • Average wind speed in September: 9km/h

The windiest month (with the highest average wind speed) is February (12.6km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).

Average humidity in September
Nidderau, Germany

  • Average humidity in September: 75%

The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (69%).

Average rainfall in September
Nidderau, Germany

  • Average rainfall in September: 20mm

The wettest months (with the highest rainfall) are May and August (34mm).
The driest month (with the least rainfall) is April (16mm).

Average rainfall days in September
Nidderau, Germany

  • Average rainfall days in September: 9.5 days

The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is February (9.2 days).

Average snowfall in September
Nidderau, Germany

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (30mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

Average snowfall days in September
Nidderau, Germany

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (6.4 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
Nidderau, 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 42min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 3h and 42min).

Average sunshine days in September
Nidderau, Germany

  • Average sunshine days in September: 18 days

The month with the most sunshine days is September (18 days).
The months with the least sunshine days are June and December (13.5 days).

Average UV index in September
Nidderau, Germany

  • Average UV index in September: 4

The months with the highest UV index are 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
Nidderau, Germany

  • Average cloud cover in September: 37

The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in September
Nidderau, 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).