September weather forecastBremerhaven, Germany
September
Weather in September
September, the first month of the autumn in Bremerhaven, is also an enjoyable month, with an average temperature fluctuating between 11.5°C (52.7°F) and 17.9°C (64.2°F).Temperature
With the commencement of September, Bremerhaven records a moderate temperature decline, with the average high easing from August's agreeable 21.3°C (70.3°F) to a refreshing 17.9°C (64.2°F). In Bremerhaven, the September nights cool down to an average low of 11.5°C (52.7°F).Humidity
The average relative humidity in September is 82%.Rainfall
In Bremerhaven, during September, the rain falls for 16.5 days and regularly aggregates up to 38mm (1.5") of precipitation. In Bremerhaven, during the entire year, the rain falls for 189.5 days and collects up to 535mm (21.06") of precipitation.Snowfall
May through October are months without snowfall.Sea temperature
In Bremerhaven, Germany, in September, the average water temperature is 17.8°C (64°F).Note: Most people do not enjoy swimming in water of 17.8°C (64°F). Breathing control becomes harder as the temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Bremerhaven, the average length of the day in September is 12h and 41min.On the first day of September, sunrise is at 06:35 and sunset at 20:15. On the last day of the month, sunrise is at 07:26 and sunset at 19:04 CEST.
Sunshine
In September, the average sunshine in Bremerhaven, Germany, is 7.4h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 4 during September translates into the following guidance:
Guard yourself - An obligation to protect skin and eyes from harm exists. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bremerhaven, Germany
- Average high temperature in September: 17.9°C
The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is August (14°C).
The coldest months (with the lowest average low temperature) are January and February (0.2°C).
Average pressure in September
Bremerhaven, Germany
- Average pressure in September: 1016.3mbar
The month with the highest atmospheric pressure is September (1016.3mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).
Average wind speed in September
Bremerhaven, Germany
- Average wind speed in September: 15km/h
The windiest month (with the highest average wind speed) is December (21km/h).
The calmest month (with the lowest average wind speed) is August (14km/h).
Average humidity in September
Bremerhaven, Germany
- Average humidity in September: 82%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are April and August (79%).
Average rainfall in September
Bremerhaven, Germany
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is June (62mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Bremerhaven, Germany
- Average rainfall days in September: 16.5 days
The month with the highest number of rainy days is July (19.9 days).
The month with the least rainy days is February (11.5 days).
Average snowfall in September
Bremerhaven, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is December (35mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Bremerhaven, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Bremerhaven, Germany
- Average sea temperature in September: 17.8°C
The best month for swimming (with the highest average sea temperature) is August (18.7°C).
The coldest month (with the lowest average sea temperature) is January (4.1°C).
Average daylight in September /
Average sunshine in September
Bremerhaven, 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 36min).
- Average sunshine in September: 7h and 24min
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in September
Bremerhaven, Germany
- Average sunshine days in September: 11 days
The month with the most sunshine days is March (15.7 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in September
Bremerhaven, Germany
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Bremerhaven, 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
Bremerhaven, Germany
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
