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
September
Weather in September
Temperature
September marks a gentle change in average high-temperature, declining from August's pleasant 20.3°C (68.5°F) to a comfortable 17.1°C (62.8°F). Karlum's nighttime temperatures in September reveal a minimal variation from the daytime highs, averaging at a cool 12.3°C (54.1°F).Humidity
In September, the average relative humidity is 81%.Rainfall
In Karlum, during September, the rain falls for 19.5 days and regularly aggregates up to 71mm (2.8") of precipitation. In Karlum, during the entire year, the rain falls for 215.6 days and collects up to 713mm (28.07") of precipitation.Snowfall
In Karlum, snow does not fall in May through October.Daylight
The average length of the day in September in Karlum is 12h and 43min.On the first day of September in Karlum, sunrise is at 06:31 and sunset at 20:16. On the last day of the month, sunrise is at 07:25 and sunset at 19:02 CEST.
Sunshine
The average sunshine in September is 7.2h.UV index
In September, the average daily maximum UV index in Karlum is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 3 suggests these recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Karlum?
What is the average humidity in September in Karlum?
How many days does it rain in September in Karlum?
When it does not snow in Karlum?
How many hours of daylight does Karlum have in September?
When is the sunrise / sunset in September in Karlum?
How many hours of sunshine does Karlum have in September?
How high is the UV index in September in Karlum?
Average temperature in September
Karlum, Germany
- Average high temperature in September: 17.1°C
The warmest month (with the highest average high temperature) is August (20.3°C).
The month with the lowest average high temperature is January (3.6°C).
- Average low temperature in September: 12.3°C
The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is February (0.4°C).
Average pressure in September
Karlum, Germany
- Average pressure in September: 1015.4mbar
The month with the highest atmospheric pressure is May (1015.8mbar).
The month with the lowest atmospheric pressure is November (1010.8mbar).
Average wind speed in September
Karlum, Germany
- Average wind speed in September: 17.4km/h
The windiest month (with the highest average wind speed) is December (23.1km/h).
The calmest month (with the lowest average wind speed) is August (15.8km/h).
Average humidity in September
Karlum, Germany
- Average humidity in September: 81%
The months with the highest relative humidity are January, February and December (87%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Karlum, Germany
- Average rainfall in September: 71mm
The wettest month (with the highest rainfall) is August (88mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in September
Karlum, Germany
- Average rainfall days in September: 19.5 days
The month with the highest number of rainy days is December (21.6 days).
The month with the least rainy days is April (13.4 days).
Average snowfall in September
Karlum, Germany
- Average snowfall in September: 0mm
The months with the highest snowfall are January, February and December (36mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Karlum, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.9 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
Karlum, Germany
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is June (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in September
Karlum, Germany
- Average sunshine days in September: 7 days
The month with the most sunshine days is April (13.3 days).
The month with the least sunshine days is December (4.8 days).
Average UV index in September
Karlum, Germany
- Average UV index in September: 3
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
Karlum, Germany
- Average cloud cover in September: 50
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is April (Cloud cover 41).
Average visibility in September
Karlum, 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, March, April, May, July, September, October, November and December (9km).
