Pertuis weather in September

In September, Pertuis sees average daytime highs of 24°C and overnight lows near 13°C, with 76 mm of rain across 7.2 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 27°C in the first days to 22°C by the end. The sky is clear or mostly clear about 54% 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 Pertuis's 4th-clearest and 11th-windiest month. For the whole year in context, see Pertuis's year-round climate.

Daytime high
24°
4th warmest
Overnight low
13°
9th coldest
Rainfall
76 mm
7.2 wet days
Daylight
12 h 18 min
6:23 AM – 6:41 PM
Cloud cover
41%
4th clearest
Wind
10 km/h
11th windiest
Solar energy
4.7 kWh/m²
Travel score
7.6
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 27°C in the first days to 22°C by the end.

A typical September day in Pertuis reaches about 24°C in the afternoon and slips back to 13°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 20°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)
12715
22715
32714
42614
52614
62614
72614
82614
92514
102514
112513
122513
132513
142513
152413
162413
172413
182413
192413
202312
212312
222312
232312
242312
252312
262312
272212
282211
292211
302211

How September really feels in Pertuis

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.

Pertuis 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
Jan10° / 557.50.99.12.4
Feb11° / 445.90.810.23.1
Mar15° / 4870.211.64.9
Apr18° / 72100.113.25.8
May22° / 11°678.7014.56.9
Jun26° / 14°415.6015.27.5
Jul29° / 17°244.4014.96.6
Aug29° / 16°314.6013.86.7
Sep24° / 13°767.2012.37.6
Oct19° / 938.6010.86.4
Nov14° / 1059.70.39.54.1
Dec10° / 627.60.68.82.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 29%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17624
27624
37624
47624
57624
67624
77624
87525
97525
107525
117327
127327
137327
147228
157129
167129
177030
186931
196931
206931
216733
226733
236733
246634
256535
266535
276436
286436
296436
306337

Chance of precipitation in September

Any precipitation

Pertuis gets around 76 mm of rain over 7.2 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 24% and peaks near 27% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
118
219
319
420
520
621
721
822
922
1023
1123
1223
1324
1424
1524
1625
1725
1825
1925
2025
2126
2226
2326
2426
2526
2626
2726
2827
2927
3027

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 62% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15329162
25429161
35529151
45529151
55629141
65629141
75729131
85729131
95729131
105829130
115829130
125929120
135929120
145929120
156028120
166128110
176227110
186227110
196426100
20652690
21662590
22672580
23682480
24692380
25702370
26702370
27722260
28732250
29732250
30742240

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 6:06 AM to 6:40 AM, and sunset from 7:09 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.16:067:09
213.06:077:08
313.06:087:06
412.96:107:04
512.96:117:02
612.86:127:00
712.86:136:58
812.76:146:56
912.76:156:54
1012.66:166:53
1112.66:186:51
1212.56:196:49
1312.46:206:47
1412.46:216:45
1512.36:226:43
1612.36:236:41
1712.26:256:39
1812.26:266:37
1912.16:276:35
2012.16:286:34
2112.06:296:32
2212.06:306:30
2311.96:326:28
2411.96:336:26
2511.86:346:24
2611.86:356:22
2711.76:366:20
2811.76:386:18
2911.66:396:16
3011.66:406:15

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.7 kWh/m².

For context, solar energy here swings from a low near 1.59 kWh/m² to a high of 7.26 kWh/m² in July across the year — September's 4.7 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.4Bright
45.4Bright
55.3Bright
65.3Bright
75.2Bright
85.1Bright
95.1Bright
105.0Bright
115.0Bright
124.9Bright
134.8Bright
144.8Bright
154.7Bright
164.7Bright
174.6Bright
184.5Bright
194.5Bright
204.4Bright
214.4Bright
224.3Bright
234.3Bright
244.2Bright
254.2Bright
264.1Bright
274.0Bright
284.0Bright
294.0Moderate
303.9Moderate
Planning a trip in September

Is September a good time to visit Pertuis?

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

7.6
Sightseeing
1st-best month of the year
6.4
Beach & pool
4th-best month of the year

September is one of the better times to visit Pertuis for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Pertuis in September

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

In September, Pertuis sees daytime highs around 24°C and nights near 13°C. Worth packing: light clothes and sun protection. About 7 days see rain.

light clothessun protection

Sea temperature near Pertuis in September

The nearest coast averages about 21°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 37 km away) is warmest in August at about 22°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 29 to Sep 30 — about 3.1 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb13Bracing
Mar13Bracing
Apr14Bracing
May16Cool
Jun19Cool
Jul21Refreshing
Aug22Refreshing
Sep21Refreshing
Oct19Cool
Nov17Cool
Dec15Bracing

UV index in Pertuis 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 Pertuis peaks around July 16 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 16UV 9Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar4Moderate
Apr7High
May6High
Jun8Very high
Jul9Very high
Aug7Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Pertuis in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Pertuis is worst in March — around 17 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodMar 2417 µg/m³Nov 1911 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb15Moderate
Mar17Moderate
Apr17Moderate
May15Moderate
Jun16Moderate
Jul14Moderate
Aug15Moderate
Sep13Moderate
Oct13Moderate
Nov11Good
Dec12Moderate
Location & terrain

Where is Pertuis?

Pertuis sits at 43.7°N, 5.5°E, 220 m above sea level, in France. The nearest listed city is Aix-en-Provence, 19 km away.

Topography around Pertuis

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

Within 3 km, the terrain around Pertuis has only modest variations in elevation — a maximum elevation change of 163 m around an average of 226 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 985 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,903 m.

The land around Pertuis is covered by trees (29%), cropland (28%) and grassland (20%) within 3 km, trees (64%) within 16 km, and trees (56%) within 80 km.

3 km
163 m
16 km
985 m
80 km
1,903 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Aix-en-Provence 19 km · Gardanne 27 km · Manosque 27 km · Vitrolles 33 km · Salon-de-Provence 33 km · Les Pennes-Mirabeau 35 km · Marseille 15 38 km · Marignane 39 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 Pertuis (43.6942°, 5.5029°, elevation 220 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).