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 sees an average high-temperature of a still refreshing 16.9°C (62.4°F), hardly diverging from August's 18.9°C (66°F). Nights in September showcase an average temperature of 15.2°C (59.4°F), slightly cooler than the daytime.Humidity
September is the least humid month in Juist, Germany, with an average relative humidity of 77%.Rainfall
In Juist, in September, it is raining for 20.1 days, with typically 68mm (2.68") of accumulated precipitation. Throughout the year, there are 207.2 rainfall days, and 643mm (25.31") of precipitation is accumulated.Snowfall
In Juist, Germany, snow does not fall in April through October.Sea temperature
In September, the average sea temperature is 17.8°C (64°F).Note: A surface water temperature of 17.8°C (64°F) does not provide an enjoyable swimming experience for most. Breathing control becomes more challenging as the water temperature drops below 21°C (69.8°F).
Daylight
The average length of the day in September is 12h and 41min.On the first day of the month, sunrise is at 06:41 and sunset at 20:21. On the last day of September, in Juist, Germany, sunrise is at 07:32 and sunset at 19:10 CEST.
Sunshine
The average sunshine in September is 6.9h.UV index
In September, the average daily maximum UV index in Juist is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What is the temperature in September in Juist?
What is the least humid month in Juist?
What is the average humidity in September in Juist?
How many days does it rain in September in Juist?
When it does not snow in Juist?
What is the sea water temperature in September in Juist?
What is the average length of the day in September in Juist?
When are sunrise and sunset in September in Juist?
How many hours of sunshine does Juist have in September?
How high is the UV index in September in Juist?
Average temperature in September
Juist, Germany
- Average high temperature in September: 16.9°C
The warmest month (with the highest average high temperature) is August (18.9°C).
The month with the lowest average high temperature is February (4.9°C).
- Average low temperature in September: 15.2°C
The month with the highest average low temperature is August (16.7°C).
The coldest month (with the lowest average low temperature) is February (2.9°C).
Average pressure in September
Juist, Germany
- Average pressure in September: 1015.8mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed in September
Juist, Germany
- Average wind speed in September: 28.4km/h
The windiest month (with the highest average wind speed) is December (36.8km/h).
The calmest month (with the lowest average wind speed) is July (23.9km/h).
Average humidity in September
Juist, Germany
- Average humidity in September: 77%
The months with the highest relative humidity are January and March (83%).
The month with the lowest relative humidity is September (77%).
Average rainfall in September
Juist, Germany
- Average rainfall in September: 68mm
The wettest month (with the highest rainfall) is August (81mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in September
Juist, Germany
- Average rainfall days in September: 20.1 days
The months with the highest number of rainy days are August, October and December (20.7 days).
The month with the least rainy days is April (12.7 days).
Average snowfall in September
Juist, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (30mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Juist, Germany
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in September
Juist, Germany
- Average sea temperature in September: 17.8°C
The best month for swimming (with the highest average sea temperature) is August (17.9°C).
The coldest month (with the lowest average sea temperature) is January (5.1°C).
Average daylight in September /
Average sunshine in September
Juist, 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: 6h and 5min
The month with the most sunshine is June (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
Juist, Germany
- Average sunshine days in September: 7.3 days
The month with the most sunshine days is April (14.8 days).
The month with the least sunshine days is November (5.4 days).
Average UV index in September
Juist, Germany
- Average UV index in September: 4
The months with the highest UV index are 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
Juist, Germany
- Average cloud cover in September: 50
The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is April (Cloud cover 41).
Average visibility in September
Juist, 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).
Juist, Germany
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