Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The beginning of September marks a decrease in the average high-temperature, transitioning from a moderately hot 25°C (77°F) in August to a refreshing 19.7°C (67.5°F). In the month of September, Calau witnesses a consistent average low-temperature of 11.3°C (52.3°F).Humidity
The average relative humidity in September in Calau is 73%.Rainfall
In Calau, in September, during 11.9 rainfall days, 25mm (0.98") of precipitation is typically accumulated. Throughout the year, in Calau, there are 146.8 rainfall days, and 326mm (12.83") of precipitation is accumulated.Snowfall
In Calau, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 39min.On the first day of September in Calau, sunrise is at 06:17 and sunset at 19:50. On the last day of the month, sunrise is at 07:04 and sunset at 18:43 CEST.
Sunshine
The average sunshine in September is 8.9h.UV index
In Calau, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What are September temperatures in Calau?
What is the average humidity in September in Calau?
How much does it rain in Calau in September?
When it does not snow in Calau?
Does it snow in Calau in September?
What is the average length of the day in September in Calau?
When is the sunrise / sunset in September in Calau?
How many hours of sunshine does Calau have in September?
How high is the UV index in September in Calau?
Average temperature in September
Calau, Germany
- Average high temperature in September: 19.7°C
The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (-2.1°C).
Average pressure in September
Calau, Germany
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is October (1017.5mbar).
The month with the lowest atmospheric pressure is November (1014.4mbar).
Average wind speed in September
Calau, Germany
- Average wind speed in September: 10.9km/h
The windiest month (with the highest average wind speed) is December (15.6km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).
Average humidity in September
Calau, Germany
- Average humidity in September: 73%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Calau, Germany
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in September
Calau, Germany
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in September
Calau, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (71mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Calau, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.6 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
Calau, Germany
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Calau, Germany
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is December (12.2 days).
Average UV index in September
Calau, 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
Calau, Germany
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Calau, Germany
- Average visibility in September: 9km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February and December (8km).
Calau, Germany
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