September weather forecastBelm, Germany

September

Weather in September

September, the first month of the autumn in Belm, is still a comfortable month, with an average temperature varying between 18.6°C (65.5°F) and 11°C (51.8°F).

Temperature

The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from an agreeable 22.9°C (73.2°F) in August to a refreshing 18.6°C (65.5°F). In September, Belm reports a consistent average low-temperature of 11°C (51.8°F) during the nights.

Humidity

The average relative humidity in September is 79%.

Rainfall

In September, the rain falls for 12.7 days. Throughout September, 27mm (1.06") of precipitation is accumulated. In Belm, during the entire year, the rain falls for 170.2 days and collects up to 417mm (16.42") of precipitation.

Snowfall

May through October are months without snowfall in Belm.

Daylight

The average length of the day in September in Belm is 12h and 40min.
On the first day of September in Belm, sunrise is at 06:39 and sunset at 20:14. On the last day of the month, sunrise is at 07:27 and sunset at 19:06 CEST.

Sunshine

In September, the average sunshine in Belm is 7.8h.

UV index

In Belm, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: During September, 4 as the daily maximum UV index converts into the following advice:
Exercise prevention - Protecting skin and eyes from harm is required. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.

Frequently asked questions

The high-temperature in Belm, Germany, during September is 18.6°C (65.5°F) and the low-temperature is 11°C (51.8°F).

The average relative humidity in September in Belm, Germany, is 79%.

In Belm, during September, the rain falls for 12.7 days and regularly aggregates up to 27mm (1.06") of precipitation.

May through October are months without snowfall in Belm.

In Belm, Germany, the average day length in September is 12h and 40min.

On the first day of September in Belm, Germany, sunrise is at 06:39 and sunset at 20:14. On the last day of the month, sunrise is at 07:27 and sunset at 19:06 CEST.

The average sunshine duration in September in Belm, Germany, is 7.8h.

The average daily maximum UV index in September in Belm, Germany, is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from 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
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Belm, Germany

  • Average high temperature in September: 18.6°C

The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is January (3.6°C).

  • Average low temperature in September: 11°C

The month with the highest average low temperature is August (14°C).
The coldest months (with the lowest average low temperature) are January and February (0.3°C).

Average pressure in September
Belm, Germany

  • Average pressure in September: 1017.2mbar

The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).

Average wind speed in September
Belm, Germany

  • Average wind speed in September: 11.8km/h

The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is August (11.4km/h).

Average humidity in September
Belm, Germany

  • Average humidity in September: 79%

The months with the highest relative humidity are January and December (88%).
The months with the lowest relative humidity are April and August (74%).

Average rainfall in September
Belm, Germany

  • Average rainfall in September: 27mm

The wettest months (with the highest rainfall) are July and December (42mm).
The driest month (with the least rainfall) is April (21mm).

Average rainfall days in September
Belm, Germany

  • Average rainfall days in September: 12.7 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (11.6 days).

Average snowfall in September
Belm, Germany

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (45mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Belm, Germany

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (5.8 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
Belm, Germany

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).

  • Average sunshine in September: 7h and 48min

The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).

Average sunshine days in September
Belm, Germany

  • Average sunshine days in September: 13.9 days

The month with the most sunshine days is April (15.3 days).
The month with the least sunshine days is December (10.8 days).

Average UV index in September
Belm, 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
Belm, Germany

  • Average cloud cover in September: 45

The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 38).

Average visibility in September
Belm, Germany

  • Average visibility in September: 9km

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