September weather forecastRoklum, Germany
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Roklum, Germany, with an average temperature varying between 10.8°C (51.4°F) and 18.7°C (65.7°F).Temperature
A minor decrease in the average high-temperature is observed during September, shifting from a warm 23.3°C (73.9°F) in August to a refreshing 18.7°C (65.7°F). During the September nights, an average temperature of 10.8°C (51.4°F) is observed.Humidity
In September, the average relative humidity is 76%.Rainfall
In Roklum, in September, it is raining for 11 days, with typically 24mm (0.94") of accumulated precipitation. In Roklum, during the entire year, the rain falls for 157.5 days and collects up to 391mm (15.39") of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 39min.On the first day of September, sunrise is at 06:29 and sunset at 20:04. On the last day of the month, sunrise is at 07:17 and sunset at 18:56 CEST.
Sunshine
In Roklum, the average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index in Roklum is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Around midday, solar radiation is most harmful; hence, exposure should be limited. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Roklum, Germany
- Average high temperature in September: 18.7°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (2.5°C).
- Average low temperature in September: 10.8°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 (-1.3°C).
Average pressure in September
Roklum, Germany
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1013.3mbar).
Average wind speed in September
Roklum, Germany
- Average wind speed in September: 11km/h
The windiest month (with the highest average wind speed) is December (16.1km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in September
Roklum, Germany
- Average humidity in September: 76%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Roklum, Germany
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is July (45mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Roklum, Germany
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (10.9 days).
Average snowfall in September
Roklum, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is December (53mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Roklum, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (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
Roklum, 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: 8h and 30min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in September
Roklum, Germany
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is December (8.8 days).
Average UV index in September
Roklum, 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, March, November and December (UV index 2).
Average cloud cover in September
Roklum, Germany
- Average cloud cover in September: 41
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Roklum, 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).
