September · Luxembourg
Best time to visit Müllerthal in September Weather, crowds & prices
Weather in Müllerthal in September
Average temperature 15°C, 94 mm of rain, about 10 days with 6+ hours of sunshine and 77% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
7.1/10
Ranked #5 of 12 months
- Avg temp
- 15°C
- Rainfall
- 94 mm
- Humidity
- 77%
- Days with 6h+ sun
- 10
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Müllerthal scores 7.1/10 for nature and wildlife travel - an above-average month (#5 of 12). Expect around 15°C, 94 mm of rain, and roughly 10 days with 6+ hours of sunshine this month.
Müllerthal is Luxembourg’s Little Switzerland-sandstone gorges, rooty trails, and mossy rock labyrinths. Best window: late spring through early autumn.
September in Müllerthal: strong conditions, 5th of 12
September averages 15°C (59°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 94 mm, so plan one flexible day in three; you still get about 10 days with 6+ hours of sunshine and 12.3 hours of daylight.
It scores 7.1/10 here, 5th of 12 months, against 9.2/10 in the destination's best month.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer, footwear you can get muddy.
Plan for mid-season pricing, with crowds are moderate.
Flexible dates? July scores 2.1 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Müllerthal in September?
- In September, Müllerthal averages 15°C, 94 mm of rain, and about 10 days with 6+ hours of sunshine. Its climate-comfort score is 7.1/10.
- Is September a good time to visit Müllerthal?
- September earns a 7.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Müllerthal in September?
- Expect about 94 mm of rain in September. Average humidity is 77% and there are about 10 days with 6+ hours of sunshine.
Curated in Müllerthal
Tickets & experiences
Things to do in Müllerthal
Müllerthal, Luxembourg. Live activities and tours from GetYourGuide, matched to this destination.