Valence weather in September

In September, Valence sees average daytime highs of 23°C and overnight lows near 13°C, with 84 mm of rain across 7.7 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 20°C by the end. The sky is clear or mostly clear about 39% 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 36 min by month's end. Set against the rest of the year, September is Valence's 4th-clearest and 11th-windiest month. For the whole year in context, see Valence's year-round climate.

Daytime high
23°
4th warmest
Overnight low
13°
9th coldest
Rainfall
84 mm
7.7 wet days
Daylight
12 h 18 min
6:25 AM – 6:44 PM
Cloud cover
51%
4th clearest
Wind
10 km/h
11th windiest
Solar energy
4.14 kWh/m²
Travel score
7.1
out of 10
Air quality
Moderate
PM2.5 10.4 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 25°C in the first days to 20°C by the end.

A typical September day in Valence reaches about 23°C in the afternoon and slips back to 13°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 28°C. Set against its neighbours, September runs about 5°C cooler than August and about 5°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12514
22514
32514
42514
52414
62414
72414
82413
92413
102413
112313
122313
132313
142313
152313
162312
172212
182212
192212
202212
212212
222112
232112
242112
252111
262111
272111
282011
292011
302011

How September really feels in Valence

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.

Valence weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 6810.72.691.0
Feb / 559.12.510.11.8
Mar13° / 579.61.111.63.8
Apr17° / 8010.80.413.25.1
May20° / 11°8310.80.114.66.3
Jun25° / 14°608.6015.37.1
Jul28° / 16°546.6015.17.1
Aug27° / 16°536.7013.97.1
Sep23° / 13°847.7012.37.1
Oct17° / 9710.50.110.75.4
Nov11° / 10811.31.39.42.7
Dec / 6711.12.28.71.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 43%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16733
26733
36634
46634
56634
66634
76436
86436
96337
106238
116139
126040
135941
145842
155743
165743
175545
185446
195446
205347
215248
225248
235149
245149
254951
265050
274951
284852
294852
304753

Chance of precipitation in September

Any precipitation

Valence gets around 84 mm of rain over 7.7 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 26% and peaks near 34% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
121
221
321
421
521
621
722
822
922
1023
1124
1224
1325
1426
1526
1627
1727
1828
1929
2029
2129
2230
2330
2430
2531
2631
2732
2832
2933
3034

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 68% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15530141
25729131
35928121
45928121
56128110
66227110
76327100
8652690
9652690
10662680
11662680
12672670
13672670
14682570
15692560
16692560
17692560
18712450
19712450
20712450
21722440
22732340
23732340
24742240
25742240
26752140
27762130
28762130
29772030
30772030

Wind in September

Winds average 10 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 06 min at the start of September to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 90 minutes over September. Sunrise moves from 6:07 AM to 6:43 AM, and sunset from 7:13 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.16:077:13
213.06:087:11
313.06:097:09
412.96:117:07
512.96:127:05
612.86:137:04
712.86:147:02
812.76:167:00
912.76:176:58
1012.66:186:56
1112.66:196:54
1212.56:216:52
1312.56:226:50
1412.46:236:48
1512.46:246:46
1612.36:256:44
1712.36:276:42
1812.26:286:40
1912.16:296:38
2012.16:306:36
2112.06:326:34
2212.06:336:32
2311.96:346:30
2411.96:356:28
2511.86:376:26
2611.86:386:24
2711.76:396:22
2811.76:406:20
2911.66:426:18
3011.66:436:16

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.14 kWh/m².

For context, solar energy here swings from a low near 1.25 kWh/m² to a high of 6.5 kWh/m² in July across the year — September's 4.14 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
15.0Bright
24.9Bright
34.8Bright
44.8Bright
54.7Bright
64.7Bright
74.6Bright
84.6Bright
94.5Bright
104.5Bright
114.4Bright
124.3Bright
134.3Bright
144.2Bright
154.2Bright
164.1Bright
174.0Bright
184.0Moderate
193.9Moderate
203.9Moderate
213.8Moderate
223.8Moderate
233.7Moderate
243.6Moderate
253.6Moderate
263.5Moderate
273.5Moderate
283.4Moderate
293.4Moderate
303.3Moderate
Planning a trip in September

Is September a good time to visit Valence?

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

7.1
Sightseeing
1st-best month of the year
5.3
Beach & pool
4th-best month of the year

September is one of the better times to visit Valence for general sightseeing.

What to pack for Valence in September

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

In September, Valence sees daytime highs around 23°C and nights near 13°C. Worth packing: light clothes. About 8 days see rain.

light clothes

UV index in Valence 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 Valence peaks around July 16 at about 8 (very high) — sunscreen, a hat and midday shade are essential. 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 16UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr5Moderate
May6High
Jun7Very high
Jul9Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Valence?

Valence sits at 44.9°N, 4.9°E, 126 m above sea level, in France. The nearest listed city is Bourg-lès-Valence, 3.0 km away.

Topography around Valence

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

Within 3 km, the terrain around Valence has only modest variations in elevation — a maximum elevation change of 80 m around an average of 140 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 760 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,697 m.

The land around Valence is covered by artificial surfaces (51%) within 3 km, cropland (35%) and trees (33%) within 16 km, and trees (63%) and grassland (22%) within 80 km.

3 km
80 m
16 km
760 m
80 km
2,697 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Bourg-lès-Valence 3.0 km · Romans-sur-Isère 18 km · Annonay 40 km · Montélimar 43 km · Vienne 67 km · Échirolles 68 km · Fontaine 68 km · Saint-Chamond 69 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 Valence (44.9256°, 4.9096°, elevation 126 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).