Westerland Weather in September
September in Westerland sees daytime temperatures around 18°C (64°F) and lows of 14°C (57°F) at night. With around 111 mm (4.4 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Westerland in September
The climate data from previous years indicates about 17 days of rain, averaging 111 mm (4.4 in) for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Westerland in September
September in Westerland brings typical temperatures with highs around 18°C (64°F) and lows of 14°C (57°F). September is in the summer season. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With overnight lows of 14°C (57°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Westerland in September
The city usually sees around 166 hours of sunlight, indicating a moderately sunny period.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Westerland.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Germany, check out our Westerland's climate page.
Westerland Temperature in September
Min Temperature
14°C (57°F)
Max Temperature
18°C (64°F)
Chance of Rain
57%
Precipitation
111 mm (4.4 in)
Rainy days
17 days
Humidity
83% *
Sunshine
166 hours *
Percentage Sunshine
43% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Westerland typically stay consistent throughout September, with daily highs averaging around 18°C (64°F). Nights are cool, with lows typically ranging from 10°C (50°F) to 13°C (55°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Westerland in September
Browse day-by-day weather records for Westerland spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Westerland historical weather extremes in September
Based on 49 years of weather observations in Westerland between 1976 and 2025, these are the recorded extremes.
- On September 13, 2016, temperatures climbed to 30°C (86°F), marking the warmest September day on record.
- The coldest September day was on September 30, 1995, with a maximum of 10°C (50°F).
- Westerland registered its coldest September night on September 15, 1998, with temperatures dropping to 1°C (34°F).
Best Places in Germany in September
Find out more about the weather in Germany and which places have the best travel conditions in this month. See all of Germany in September →
perfect weather
pleasant
tolerable
unpleasant
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What to Wear in Westerland in September
For Westerland in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Westerland in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Germany, check out our Westerland's climate page.
Temperature Rainfall Sunshine Humidity
See the full Westerland climate overview or explore weather in Germany.
