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 sea temperature 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 arrival of September corresponds with a light shift in temperature, down from a pleasant 22°C (71.6°F) in August to a refreshing 18.2°C (64.8°F). September witnesses an average nighttime temperature of 11.8°C (53.2°F).Humidity
The average relative humidity in September is 78%.Rainfall
In Wismar, in September, it is raining for 15.6 days, with typically 36mm (1.42") of accumulated precipitation. Throughout the year, in Wismar, there are 170.9 rainfall days, and 453mm (17.83") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Sea temperature
In Wismar, the average seawater temperature in September is 16.9°C (62.4°F).Note: Swimming is not enjoyable for most people in water that is 16.9°C (62.4°F). As the temperature descends from 21°C (69.8°F) to 15°C (59°F), breathing control becomes harder.
Daylight
The average length of the day in September is 12h and 41min.On the first day of September, sunrise is at 06:23 and sunset at 20:04. On the last day of the month, sunrise is at 07:15 and sunset at 18:52 CEST.
Sunshine
In Wismar, the average sunshine in September is 8.1h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 4 in September translates into this advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
What is the temperature in September in Wismar?
What is the average humidity in September in Wismar?
How much does it rain in Wismar in September?
When it does not snow in Wismar?
How cold is the water in September in Wismar?
How many hours of daylight does Wismar have in September?
What time are sunrise and sunset in September in Wismar?
How long on average sun shines in September in Wismar?
How high is the UV index in September in Wismar?
Average temperature in September
Wismar, Germany
- Average high temperature in September: 18.2°C
The warmest month (with the highest average high temperature) is August (22°C).
The month with the lowest average high temperature is January (2.6°C).
- Average low temperature in September: 11.8°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-0.7°C).
Average pressure in September
Wismar, Germany
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is September (1016.2mbar).
The month with the lowest atmospheric pressure is November (1012.1mbar).
Average wind speed in September
Wismar, Germany
- Average wind speed in September: 15.9km/h
The windiest month (with the highest average wind speed) is December (21.2km/h).
The calmest month (with the lowest average wind speed) is August (14.6km/h).
Average humidity in September
Wismar, Germany
- Average humidity in September: 78%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Wismar, Germany
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is July (57mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Wismar, Germany
- Average rainfall days in September: 15.6 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is February (10.2 days).
Average snowfall in September
Wismar, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (39mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Wismar, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Wismar, Germany
- Average sea temperature in September: 16.9°C
The best month for swimming (with the highest average sea temperature) is August (18.5°C).
The coldest month (with the lowest average sea temperature) is January (2.8°C).
Average daylight in September /
Average sunshine in September
Wismar, Germany
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in September: 8h and 1min
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 12min).
Average sunshine days in September
Wismar, Germany
- Average sunshine days in September: 12.1 days
The month with the most sunshine days is April (16.3 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in September
Wismar, Germany
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Wismar, Germany
- Average cloud cover in September: 43
The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Wismar, Germany
- Average visibility in September: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (9km).
Wismar, Germany
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