Montbéliard weather in September

In September, Montbéliard sees average daytime highs of 19°C and overnight lows near 11°C, with 96 mm of rain across 11.7 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 17°C by the end. The sky is clear or mostly clear about 26% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 12 min at the start of September to 11 h 30 min by month's end. Set against the rest of the year, September is Montbéliard's 3rd-clearest and 9th-windiest month. For the whole year in context, see Montbéliard's year-round climate.

Daytime high
19°
4th warmest
Overnight low
11°
9th coldest
Rainfall
96 mm
11.7 wet days
Daylight
12 h 18 min
6:17 AM – 6:37 PM
Cloud cover
61%
3rd clearest
Wind
9 km/h
9th windiest
Solar energy
3.56 kWh/m²
Travel score
5.8
out of 10
Air quality
Moderate
PM2.5 10.7 µg/m³ · 2019

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 21°C in the first days to 17°C by the end.

A typical September day in Montbéliard reaches about 19°C in the afternoon and slips back to 11°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 25°C. Set against its neighbours, September runs about 4°C cooler than August and about 5°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12212
22112
32112
42112
52112
62112
72112
82011
92011
102011
112011
122011
132011
141911
151911
161911
171910
181910
191910
201910
211810
221810
231810
241810
251810
26189
27179
28179
29179
30179

How September really feels in Montbéliard

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.

Montbéliard weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°10313.85.78.70.0
Feb / -0°9112.15.69.90.4
Mar10° / 9513.13.511.62.3
Apr14° / 8713.4113.33.8
May18° / 11915.50.114.95.0
Jun22° / 13°9513.9015.76.0
Jul24° / 14°8913.1015.46.6
Aug24° / 14°9512.4014.16.6
Sep19° / 11°9611.7012.45.8
Oct14° / 10413.10.310.63.8
Nov / 10713.42.49.11.3
Dec / 121155.18.30.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 58%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14951
24852
34852
44852
54753
64753
74654
84555
94555
104555
114456
124456
134357
144357
154258
164258
174258
184159
194060
204060
213961
223961
233961
243961
253862
263862
273664
283565
293466
303466

Chance of precipitation in September

Any precipitation

Montbéliard gets around 96 mm of rain over 11.7 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 40% and peaks near 44% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
138
238
338
438
539
639
739
839
939
1040
1140
1240
1340
1440
1540
1640
1740
1840
1940
2040
2140
2240
2340
2440
2541
2641
2742
2843
2943
3044

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 76% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
161309
262308
364297
466286
567276
668275
769265
870264
970264
1072253
1172253
1274242
1374242
1475232
1576231
1677221
1778211
1879201
1979201
2081190
2182180
2283170
2384160
2485150
2586140
2686140
2787130
2887130
2988120
3089110

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 12 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 102 minutes over September. Sunrise moves from 5:56 AM to 6:37 AM, and sunset from 7:09 PM to 6:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:567:09
213.15:587:07
313.15:597:05
413.06:007:03
513.06:027:00
612.96:036:58
712.96:056:56
812.86:066:54
912.76:076:52
1012.76:096:50
1112.66:106:48
1212.66:116:46
1312.56:136:44
1412.56:146:42
1512.46:166:39
1612.36:176:37
1712.36:186:35
1812.26:206:33
1912.26:216:31
2012.16:236:29
2112.06:246:27
2212.06:256:24
2311.96:276:22
2411.96:286:20
2511.86:306:18
2611.86:316:16
2711.76:326:14
2811.66:346:12
2911.66:356:10
3011.56:376:08

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.56 kWh/m².

For context, solar energy here swings from a low near 0.95 kWh/m² to a high of 5.7 kWh/m² in July across the year — September's 3.56 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.3Bright
24.2Bright
34.2Bright
44.1Bright
54.1Bright
64.0Bright
74.0Moderate
83.9Moderate
93.9Moderate
103.8Moderate
113.8Moderate
123.7Moderate
133.7Moderate
143.6Moderate
153.6Moderate
163.5Moderate
173.5Moderate
183.4Moderate
193.4Moderate
203.3Moderate
213.3Moderate
223.2Moderate
233.2Moderate
243.1Moderate
253.1Moderate
263.0Moderate
273.0Moderate
282.9Moderate
292.9Moderate
302.8Moderate
Planning a trip in September

Is September a good time to visit Montbéliard?

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

5.8
Sightseeing
4th-best month of the year
2.6
Beach & pool
4th-best month of the year

September is a reasonable time to visit Montbéliard for sightseeing.

What to pack for Montbéliard in September

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

In September, Montbéliard sees daytime highs around 19°C and nights near 11°C. Worth packing: rain gear. About 12 days see rain.

rain gear

UV index in Montbéliard in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Montbéliard peaks around July 14 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 14UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May6High
Jun7Very high
Jul8Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Montbéliard?

Montbéliard sits at 47.5°N, 6.8°E, 327 m above sea level, in France. The nearest listed city is Audincourt, 5.0 km away.

Topography around Montbéliard

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

Within 3 km, the terrain around Montbéliard has only modest variations in elevation — a maximum elevation change of 122 m around an average of 343 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 498 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,403 m.

The land around Montbéliard is covered by artificial surfaces (39%) and trees (37%) within 3 km, trees (57%) and grassland (21%) within 16 km, and trees (54%) and grassland (25%) within 80 km.

3 km
122 m
16 km
498 m
80 km
1,403 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Audincourt 5.0 km · Belfort 15 km · La Chaux-de-Fonds 46 km · Mulhouse 48 km · Illzach 51 km · Vesoul 51 km · Wittenheim 52 km · Biel/Bienne 53 km

France travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 77% of US
price level, 2025
GDP per capita
$48,986
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.3
per 100k, 2023
Road deaths
5.1
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 539
Religion
Roman Catholic 47%none 33%Muslim 4%Protestant 2%

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 Montbéliard (47.5096°, 6.7982°, elevation 327 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).