Martigny-Ville weather in September

In September, Martigny-Ville sees average daytime highs of 13°C and overnight lows near 3°C, with 106 mm of precipitation across 14.6 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 14°C in the first days to 11°C by the end. The sky is clear or mostly clear about 29% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 06 min at the start of September to 11 h 30 min by month's end. Set against the rest of the year, September is Martigny-Ville's 5th-clearest and 8th-windiest month. For the whole year in context, see Martigny-Ville's year-round climate.

Daytime high
13°
4th warmest
Overnight low
9th coldest
Precipitation
106 mm
14.6 wet days
Daylight
12 h 18 min
6:16 AM – 6:36 PM
Cloud cover
59%
5th clearest
Wind
4 km/h
8th windiest
Solar energy
4.07 kWh/m²
Travel score
3.1
out of 10

Martigny-Ville is town in the municipality of Martigny in the canton of Valais, Switzerland.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 14°C in the first days to 11°C by the end.

A typical September day in Martigny-Ville reaches about 13°C in the afternoon and slips back to 3°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 18°C. Set against its neighbours, September runs about 4°C cooler than August and about 5°C warmer than October.

-5°10°15°20°151015202530
Avg high (°C)Avg low (°C)
1155
2155
3145
4145
5144
6144
7144
8144
9144
10134
11134
12134
13133
14133
15133
16133
17123
18123
19123
20123
21123
22122
23122
24112
25112
26112
27112
28112
29112
30111

How September really feels in Martigny-Ville

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Martigny-Ville weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-5° / -12°13512.513.18.90.0
Feb-3° / -11°11211.412.1100.0
Mar / -7°11313.313.411.60.0
Apr / -3°10413.911.913.30.2
May10° / 14318.67.414.71.7
Jun14° / 14118.52.615.53.4
Jul17° / 14618.10.915.24.5
Aug16° / 13016.20.8144.6
Sep13° / 10614.62.912.33.1
Oct / -1°10812.9710.71.2
Nov / -7°12813.512.99.20.0
Dec-4° / -11°14913.413.98.50.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 53%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15149
25149
35248
45248
55248
65248
75248
85248
95248
105248
115149
125149
135050
145050
154852
164753
174753
184654
194555
204456
214357
224357
234159
244159
254159
264060
274060
283961
293862
303862

Chance of precipitation in September

Any precipitationSnow

Martigny-Ville gets around 106 mm of rain and snow over 14.6 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 49% and peaks near 50% on the wettest days, and about 3 days bring snow.

0%20%40%60%151015202530
Rain chance (%)Snow chance (%)
1496
2496
3496
4506
5507
6507
7507
8507
9507
10508
11508
12508
13498
14499
15499
16499
174910
184810
194811
204811
214812
224712
234712
244713
254713
264814
274815
284816
294816
304817

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

Wind in September

Winds average 4 km/h in September.

Across September, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 06 min at the start of September to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 96 minutes over September. Sunrise moves from 5:57 AM to 6:35 AM, and sunset from 7:06 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:577:06
213.15:587:04
313.06:007:02
413.06:017:00
512.96:026:58
612.96:036:56
712.86:056:54
812.86:066:52
912.76:076:50
1012.76:096:48
1112.66:106:46
1212.56:116:44
1312.56:136:42
1412.46:146:40
1512.46:156:38
1612.36:166:36
1712.36:186:34
1812.26:196:32
1912.26:206:30
2012.16:226:27
2112.06:236:25
2212.06:246:23
2311.96:266:21
2411.96:276:19
2511.86:286:17
2611.86:306:15
2711.76:316:13
2811.76:326:11
2911.66:336:09
3011.56:356:07

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.07 kWh/m².

For context, solar energy here swings from a low near 1.45 kWh/m² to a high of 5.94 kWh/m² in June across the year — September's 4.07 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.6Bright
34.6Bright
44.5Bright
54.5Bright
64.5Bright
74.4Bright
84.4Bright
94.3Bright
104.3Bright
114.3Bright
124.2Bright
134.2Bright
144.1Bright
154.1Bright
164.0Bright
174.0Bright
184.0Moderate
193.9Moderate
203.9Moderate
213.9Moderate
223.8Moderate
233.8Moderate
243.7Moderate
253.7Moderate
263.6Moderate
273.6Moderate
283.5Moderate
293.5Moderate
303.5Moderate
Planning a trip in September

Is September a good time to visit Martigny-Ville?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.1
Sightseeing
4th-best month of the year
Beach & pool
never really warm enough

September is a weaker month for outdoor sightseeing in Martigny-Ville.

What to pack for Martigny-Ville in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Martigny-Ville sees daytime highs around 13°C and nights near 3°C. Pack rain gear. Worth having: a warm layer. About 15 days see rain.

rain geara warm layer

UV index in Martigny-Ville in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Martigny-Ville peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 9Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5High
Apr7High
May9Very high
Jun8Very high
Jul9Very high
Aug8Very high
Sep5High
Oct4Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Martigny-Ville?

Martigny-Ville sits at 46.1°N, 7.1°E, 475 m above sea level, in Switzerland. The nearest listed city is Monthey, 19 km away.

MontheyChamonixSittenSallanchesClusesMontreuxSierreVevey

Topography around Martigny-Ville

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Martigny-Ville.

Within 3 km, the terrain around Martigny-Ville has very significant variations in elevation — a maximum elevation change of 1,243 m around an average of 729 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 3,356 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,490 m.

The land around Martigny-Ville is covered by trees (67%) within 3 km, trees (47%) and grassland (31%) within 16 km, and trees (38%) and grassland (35%) within 80 km.

3 km
1,243 m
16 km
3,356 m
80 km
4,490 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewatermoss and lichen
September weather nearby: Monthey 19 km · Chamonix 25 km · Sitten 26 km · Sallanches 38 km · Cluses 39 km · Montreux 39 km · Sierre 41 km · Vevey 44 km

Switzerland travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / J
230 V · 50 Hz
Prices
≈ 112% of US
price level, 2025
GDP per capita
$114,769
2025
Happiness
7.0 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
0.6
per 100k, 2023
Road deaths
2.2
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 564
Religion
Roman Catholic 34%none 29%Protestant 23%other Christian 6%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Martigny-Ville (46.1028°, 7.0724°, elevation 475 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).