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Mullerthal (Little Switzerland) in September 2026: weather, temperatures and activities

Do you want to visit Mullerthal (Little Switzerland) in September 2026? Discover the usual weather at this time of year, average temperatures, the risk of rain, possible activities, and our opinion on whether September is a good month to travel to Mullerthal (Little Switzerland), Luxembourg.

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Is it worth visiting Mullerthal (Little Switzerland) in September?

Check your ideal travel criteria and see if the month of September suits your plans to go to Mullerthal (Little Switzerland).
What matters most?
Mullerthal (Little Switzerland) in September 2026: weather, temperatures and activities

Page summary

Mullerthal (Little Switzerland) in September in summary
Favourable weather
Min 11°C Max 19°C 61 mm 4 day(s) 90% 38% 10.8 h/day
Best activities in September
Hiking and trekkingNature and landscapes
Practical guidelines
High crowding 06:11 18:48
Hourly weather

Average weather in Mullerthal (Little Switzerland) in September 2026

Favourable weather

The weather in Mullerthal (Little Switzerland) in September 2026 is based on statistical data from previous years in September. This allows you to forecast the weather in September 2026. Check the hourly statistics (6:00, 9:00, 12:00, 15:00, 18:00, 21:00, 0:00 and 3:00), with the associated average temperature, for the whole month, and also, by navigating the tabs, for the beginning, middle and end of the month.

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Climate

Climate of Mullerthal (Little Switzerland) in September

Temperatures, precipitation and monthly trends help to better understand the climate in Mullerthal (Little Switzerland) in September.

Temperatures and rain in Mullerthal (Little Switzerland) in September

Average daily weather

Temperatures and rain day by day in September.
Minimal Average Maximums Average rainfall

Monthly temperatures

The month of September is highlighted to compare it quickly with the rest of the year.
Minimal Average Maximums

Monthly precipitation

The bar for the month under study is highlighted.
Average rainfall

About the climate in Mullerthal (Little Switzerland) in September

Seasonal normals

Seasonal normals of Mullerthal (Little Switzerland) in September

Check the seasonal normals in Mullerthal (Little Switzerland) in September and compare the weather with the previous month and the following month (or the months of your choice by selecting months in the form below): temperatures, wind, rain, humidity, climate rating...

Last updated: 12/01/2026
Reference period for normals: January 2009 - December 2025
Month analyzed
September
Weather data August September October
Outside temperature
Average temperature 19.1°C 15.1°C 10.1°C
Maximum temperature 22.7°C 19.2°C 13.0°C
Minimum temperature 15.4°C 11.1°C 7.2°C
Record maximum temperature 33.0°C
(2015)
31.0°C
(2020)
26.0°C
(2011)
Record low temperature 7.0°C
(2021)
3.0°C
(2021)
-3.0°C
(2012)
Number of days at +30° 2 day(s)
(6%)
0 day(s)
(0%)
0 day(s)
(0%)
Number of days at +18° 28 day(s)
(90%)
20 day(s)
(67%)
4 day(s)
(13%)
Number of days below 0° 0 day(s)
(0%)
0 day(s)
(0%)
1 day(s)
(3%)
Wind
Wind speed 14 km/h 14 km/h 16 km/h
Wind temperature 15.2°C 10.4°C 5.5°C
Precipitation (rain)
Precipitation 61.8 mm 60.7 mm 81.0 mm
Number of days with precipitation 15 day(s)
(48%)
11 day(s)
(37%)
16 day(s)
(52%)
Number of days with significant precipitation (greater than 5 mm) 4 day(s)
(11%)
4 day(s)
(12%)
5 day(s)
(17%)
Record precipitation in one day 36.0 mm
(2015)
48.2 mm
(2015)
44.2 mm
(2019)
Other weather data
Humidity 87% 90% 93%
Visibility 8.9 km 8.5 km 7.9 km
Cloud cover 36% 38% 51%
UV index 5 4 3
Daily sunshine 13h 11h 7h
Sunrise and sunset
Sunrise time 05h25 06h11 06h57
Sunset time 19h52 18h48 17h44
Day length 14h27 12h37 10h47
Our opinion on the climate in September
The review of Where And When favourable weather favourable weather fair weather
Activities and events

What to do in Mullerthal (Little Switzerland) in September?

Best activities in September
Hiking and trekkingNature and landscapes
Activities not recommended in September
Winter sports and snow
Observed weather

What was the weather like in Mullerthal (Little Switzerland) in September last?

Find the observed weather calendar in Mullerthal (Little Switzerland) in September 2025, with each day’s weather, temperatures and precipitation.

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Light rain shower
14°C18°C6.4 mm
2
Patchy rain nearby
13°C20°C0.7 mm
3
Overcast
14°C22°C2.5 mm
4
Clear/Sunny
13°C20°C0.8 mm
5
Patchy rain nearby
11°C20°C0.0 mm
6
Clear/Sunny
10°C23°C0.0 mm
7
Clear/Sunny
11°C28°C0.0 mm
8
Cloudy
15°C22°C1.7 mm
9
Light rain shower
14°C16°C2.5 mm
10
Patchy rain nearby
12°C19°C0.7 mm
11
Patchy rain nearby
14°C16°C1.1 mm
12
Light rain shower
10°C16°C1.2 mm
13
Light rain shower
11°C16°C2.9 mm
14
Patchy rain nearby
11°C16°C0.1 mm
15
Clear/Sunny
17°C19°C0.7 mm
16
Patchy rain nearby
11°C15°C0.5 mm
17
Overcast
9°C14°C0.0 mm
18
Clear/Sunny
11°C22°C0.0 mm
19
Clear/Sunny
12°C25°C0.0 mm
20
Clear/Sunny
13°C24°C0.4 mm
21
Light drizzle
11°C17°C11.6 mm
22
Cloudy
8°C13°C0.9 mm
23
Partly Cloudy
8°C14°C0.1 mm
24
Light rain
9°C11°C3.9 mm
25
Patchy rain nearby
6°C8°C0.9 mm
26
Cloudy
6°C13°C0.1 mm
27
Partly Cloudy
9°C14°C0.0 mm
28
Clear/Sunny
7°C17°C0.0 mm
29
Patchy rain nearby
9°C16°C0.0 mm
30
Patchy rain nearby
12°C17°C0.3 mm
Nearby

Where to go near Mullerthal (Little Switzerland) in September?

Compare cities and destinations near Mullerthal (Little Switzerland) in September to find another travel stop, a nearby alternative or a logical continuation of your stay in Mullerthal (Little Switzerland).

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Every month

Best time to visit Mullerthal (Little Switzerland) month by month

Compare the weather in Mullerthal (Little Switzerland) across all months of the year and open each detailed page to find the best time.

Frequently asked questions

Travel to to Mullerthal (Little Switzerland) in September: your frequently asked questions

Short answers to the questions we ask ourselves before booking for this month.

Yes, it’s a good time. Conditions are favorable in Mullerthal (Little Switzerland) in September, which places this month 5th out of 12.

Expect an average of 19°C during the day and 11°C at night, with about 61 mm of precipitation spread over 4 rainy days.

Expect about 10.8 hours of sunshine per day on average for this month.

This month is particularly suited to these activities: Hiking and trekking and Nature and landscapes. These are the ones for which the conditions on site are most favourable.

Yes: this month is in High crowding, with a visitor index of 78/100. Book your accommodation and transportation well in advance.

The most favorable months in Mullerthal (Little Switzerland) are: May, June, July, August and September. You are therefore already in one of the best times of the year; shifting your plans would not gain you much in terms of weather.
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