Climate guide for Black Forest, Germany

Black Forest in September

Weather, crowds & best time to visit

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September · Germany

Best time to visit Black Forest in September Weather, crowds & prices

Weather in Black Forest in September

Average temperature 14°C, 85 mm of rain, about 16 days with 6+ hours of sunshine and 80% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

7.9/10

Ranked #5 of 12 months

Full year for Black Forest
Avg temp
14°C
Rainfall
85 mm
Humidity
80%
Days with 6h+ sun
16
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

September in Black Forest scores 7.9/10 for nature and wildlife travel - an above-average month (#5 of 12). Expect around 14°C, 85 mm of rain, and roughly 16 days with 6+ hours of sunshine this month.

The Black Forest's conifers, cuckoo clocks and spa towns fill a wooded corner of south-west Germany.

September in Black Forest — reliably good (5th best month)

Temperatures hover around 14°C (57°F) — the kind of month where neither heat nor cold forces the schedule.

Budget for roughly 85 mm of rain this month — a flexible day or two helps — with about 16 days with 6+ hours of sunshine and 12.5 hours of daylight to work around it.

That is 7.9/10 on the same scale — 5th of 12 months, versus 8.5/10 for the best month here.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer, footwear you can get muddy.

Expect mid-season pricing, and crowds are moderate.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Black Forest in September?
In September, Black Forest averages 14°C, 85 mm of rain, and about 16 days with 6+ hours of sunshine. Its climate-comfort score is 7.9/10.
Is September a good time to visit Black Forest?
September earns a 7.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Black Forest in September?
Expect about 85 mm of rain in September. Average humidity is 80% and there are about 16 days with 6+ hours of sunshine.

Curated in Black Forest

Tickets & experiences

Things to do in Black Forest

Black Forest, Germany. Live activities and tours from GetYourGuide, matched to this destination.