September weather forecastUetersen, Germany
September
Weather in September
September, the first month of the autumn in Uetersen, is also an enjoyable month, with an average temperature varying between 18.1°C (64.6°F) and 10.7°C (51.3°F).Temperature
The advent of September brings a slight shift in average high-temperature, moving from an agreeable 22.1°C (71.8°F) in August to a comfortable 18.1°C (64.6°F). During the September nights, an average temperature of 10.7°C (51.3°F) is observed in Uetersen.Humidity
In September, the average relative humidity in Uetersen, Germany, is 83%.Rainfall
In Uetersen, in September, it is raining for 16.5 days, with typically 35mm (1.38") of accumulated precipitation. Throughout the year, there are 179.4 rainfall days, and 481mm (18.94") of precipitation is accumulated.Snowfall
In Uetersen, Germany, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 41min.On the first day of the month, sunrise is at 06:31 and sunset at 20:11. On the last day of September, in Uetersen, Germany, sunrise is at 07:22 and sunset at 19:00 CEST.
Sunshine
The average sunshine in September in Uetersen is 7.7h.UV index
In Uetersen, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Uetersen, Germany
- Average high temperature in September: 18.1°C
The warmest month (with the highest average high temperature) is August (22.1°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in September: 10.7°C
The month with the highest average low temperature is August (13.4°C).
The coldest months (with the lowest average low temperature) are January and February (-0.5°C).
Average pressure in September
Uetersen, 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 (1011.6mbar).
Average wind speed in September
Uetersen, Germany
- Average wind speed in September: 12.5km/h
The windiest month (with the highest average wind speed) is December (17.8km/h).
The calmest month (with the lowest average wind speed) is August (12km/h).
Average humidity in September
Uetersen, Germany
- Average humidity in September: 83%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Uetersen, Germany
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is July (59mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Uetersen, Germany
- Average rainfall days in September: 16.5 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (10.6 days).
Average snowfall in September
Uetersen, Germany
- Average snowfall in September: 0mm
The months with the highest snowfall are February and December (29mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Uetersen, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.6 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
Uetersen, Germany
- Average daylight in September: 12h and 42min
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: 7h and 42min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in September
Uetersen, Germany
- Average sunshine days in September: 10.6 days
The month with the most sunshine days is April (16.3 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in September
Uetersen, Germany
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Uetersen, Germany
- Average cloud cover in September: 48
The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in September
Uetersen, Germany
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, May, June, July and August (9km).
The months with the lowest visibility are January, September, October, November and December (8km).





