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 initiation of September records an average high-temperature of a still refreshing 16.4°C (61.5°F), displaying a near consistency with the previous month. Alkersum observes a consistent average low-temperature of 14.4°C (57.9°F) throughout September nights.Humidity
The average relative humidity in September in Alkersum is 79%.Rainfall
In Alkersum, in September, it is raining for 18.5 days, with typically 69mm (2.72") of accumulated precipitation. Throughout the year, in Alkersum, there are 196.9 rainfall days, and 600mm (23.62") of precipitation is accumulated.Snowfall
May through November are months without snowfall.Daylight
The average length of the day in September in Alkersum is 12h and 43min.On the first day of September, sunrise is at 06:33 and sunset at 20:17. On the last day of the month, sunrise is at 07:27 and sunset at 19:04 CEST.
Sunshine
In Alkersum, the average sunshine in September is 7.3h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A daily high UV index of 4 in September leads to these guidelines:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Alkersum?
What is the average humidity in September in Alkersum?
How many days does it rain in September in Alkersum?
When it does not snow in Alkersum?
How many hours of daylight does Alkersum have in September?
What time are sunrise and sunset in September in Alkersum?
How many hours of sunshine does Alkersum have in September?
What is the UV index reading in September in Alkersum?
Average temperature in September
Alkersum, Germany
- Average high temperature in September: 16.4°C
The warmest month (with the highest average high temperature) is August (18.6°C).
The month with the lowest average high temperature is February (3.7°C).
- Average low temperature in September: 14.4°C
The month with the highest average low temperature is August (16.4°C).
The coldest month (with the lowest average low temperature) is February (1.9°C).
Average pressure in September
Alkersum, Germany
- Average pressure in September: 1015.2mbar
The month with the highest atmospheric pressure is May (1015.8mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed in September
Alkersum, Germany
- Average wind speed in September: 26.8km/h
The windiest month (with the highest average wind speed) is December (33.6km/h).
The calmest month (with the lowest average wind speed) is July (23km/h).
Average humidity in September
Alkersum, Germany
- Average humidity in September: 79%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is August (78%).
Average rainfall in September
Alkersum, Germany
- Average rainfall in September: 69mm
The wettest month (with the highest rainfall) is August (75mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Alkersum, Germany
- Average rainfall days in September: 18.5 days
The month with the highest number of rainy days is October (20.5 days).
The month with the least rainy days is February (11.7 days).
Average snowfall in September
Alkersum, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (21mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Alkersum, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.3 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
Alkersum, 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 2min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The months with the least sunshine are January, February and November (Average sunshine: 3h and 36min).
Average sunshine days in September
Alkersum, Germany
- Average sunshine days in September: 8.4 days
The month with the most sunshine days is March (15.3 days).
The month with the least sunshine days is November (7.4 days).
Average UV index in September
Alkersum, 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
Alkersum, Germany
- Average cloud cover in September: 49
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 40).
Average visibility in September
Alkersum, Germany
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).
Alkersum, Germany
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