September weather forecastNierstein, Germany

September

Weather in September

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

Temperature

In Nierstein, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's warm 24.9°C (76.8°F) to a pleasant 20.2°C (68.4°F). Nierstein observes an average nighttime low-temperature of 11.1°C (52°F) during the month of September.

Humidity

In September, the average relative humidity in Nierstein is 73%.

Rainfall

In Nierstein, Germany, in September, during 9.6 rainfall days, 22mm (0.87") of precipitation is typically accumulated. In Nierstein, during the entire year, the rain falls for 146.5 days and collects up to 366mm (14.41") of precipitation.

Snowfall

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

Daylight

In Nierstein, Germany, the average length of the day in September 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 September, the average sunshine is 8.6h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: A maximum high UV index of 4 in September translates into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

In Nierstein, 20.2°C (68.4°F) is the average high-temperature and 11.1°C (52°F) is the average low-temperature during September.

In September, the average relative humidity in Nierstein is 73%.

In Nierstein, during September, the rain falls for 9.6 days and regularly aggregates up to 22mm (0.87") of precipitation.

May through October are months without snowfall.

In Nierstein, the average day length in September 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.

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

The average daily maximum UV index in September in Nierstein, Germany, is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to 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
Nierstein, 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
Nierstein, 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
Nierstein, 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
Nierstein, 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
Nierstein, 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
Nierstein, 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
Nierstein, 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
Nierstein, 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
Nierstein, 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
Nierstein, 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
Nierstein, 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
Nierstein, 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
Nierstein, 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).