September weather forecastHelvesiek, Germany

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Helvesiek, Germany, with an average temperature varying between 18.5°C (65.3°F) and 10.7°C (51.3°F).

Temperature

As Helvesiek enters September, the average high-temperature subtly lowers from the an agreeable 22.4°C (72.3°F) of August to a refreshing 18.5°C (65.3°F). Helvesiek's average low-temperature is measured at a cool 10.7°C (51.3°F) during September.

Humidity

In September, the average relative humidity in Helvesiek, Germany, is 82%.

Rainfall

In Helvesiek, in September, during 12.7 rainfall days, 20mm (0.79") of precipitation is typically accumulated. Throughout the year, there are 165.7 rainfall days, and 341mm (13.43") of precipitation is accumulated.

Snowfall

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

Daylight

In Helvesiek, Germany, the average length of the day in September is 12h and 41min.
On the first day of September in Helvesiek, sunrise is at 06:32 and sunset at 20:11. On the last day of the month, sunrise is at 07:22 and sunset at 19:00 CEST.

Sunshine

The average sunshine in September is 7.6h.

UV index

In September, the average daily maximum UV index in Helvesiek, Germany, is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 4 during September translates into the following guidance:
Take precautions - Protection against sunburn is recommended. Avoiding the Sun during its peak radiation time around midday is a healthy practice. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Frequently asked questions

In Helvesiek, in September, the average high-temperature is 18.5°C (65.3°F), and the average low-temperature is 10.7°C (51.3°F).

In September, the average relative humidity is 82%.

In Helvesiek, Germany, during September, the rain falls for 12.7 days and regularly aggregates up to 20mm (0.79") of precipitation.

May through October are months without snowfall in Helvesiek, Germany.

In September, the average day length in Helvesiek, Germany, is 12h and 41min.

In September, on the first day of the month, sunrise is at 06:32 and sunset at 20:11. On the last day of the month, in Helvesiek, sunrise is at 07:22 and sunset at 19:00 CEST.

In September, the average sunshine duration in Helvesiek is 7.6h.

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

Average temperature in September
Helvesiek, Germany

  • Average high temperature in September: 18.5°C

The warmest month (with the highest average high temperature) is August (22.4°C).
The month with the lowest average high temperature is January (3.1°C).

  • Average low temperature in September: 10.7°C

The month with the highest average low temperature is August (13.7°C).
The coldest months (with the lowest average low temperature) are January and February (-0.5°C).

Average pressure in September
Helvesiek, Germany

  • Average pressure in September: 1016.4mbar

The month with the highest atmospheric pressure is September (1016.4mbar).
The month with the lowest atmospheric pressure is November (1011.8mbar).

Average wind speed in September
Helvesiek, Germany

  • Average wind speed in September: 12.3km/h

The windiest month (with the highest average wind speed) is December (17.6km/h).
The calmest month (with the lowest average wind speed) is August (11.8km/h).

Average humidity in September
Helvesiek, Germany

  • Average humidity in September: 82%

The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is April (76%).

Average rainfall in September
Helvesiek, Germany

  • Average rainfall in September: 20mm

The wettest months (with the highest rainfall) are June and July (40mm).
The driest month (with the least rainfall) is April (18mm).

Average rainfall days in September
Helvesiek, Germany

  • Average rainfall days in September: 12.7 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (10.2 days).

Average snowfall in September
Helvesiek, Germany

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (40mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Helvesiek, Germany

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).

  • Average sunshine in September: 7h and 36min

The month with the most sunshine is August (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).

Average sunshine days in September
Helvesiek, Germany

  • Average sunshine days in September: 13.2 days

The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is June (9.2 days).

Average UV index in September
Helvesiek, Germany

  • Average UV index in September: 4

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

Average cloud cover in September
Helvesiek, Germany

  • Average cloud cover in September: 48

The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 42).

Average visibility in September
Helvesiek, Germany

  • Average visibility in September: 9km

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