Orange weather in September

In September, Orange sees average daytime highs of 25°C and overnight lows near 15°C, with 95 mm of rain across 6.8 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 28°C in the first days to 23°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 Orange's 3rd-clearest and 10th-windiest month. For the whole year in context, see Orange's year-round climate.

Daytime high
25°
4th warmest
Overnight low
15°
9th coldest
Rainfall
95 mm
6.8 wet days
Daylight
12 h 18 min
6:26 AM – 6:44 PM
Cloud cover
41%
3rd clearest
Wind
12 km/h
10th windiest
Solar energy
4.5 kWh/m²
Travel score
7.5
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 28°C in the first days to 23°C by the end.

A typical September day in Orange reaches about 25°C in the afternoon and slips back to 15°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 30°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)
12817
22817
32816
42716
52716
62716
72716
82716
92616
102616
112615
122615
132615
142515
152515
162515
172515
182514
192514
202414
212414
222414
232414
242414
252314
262313
272313
282313
292313
302313

How September really feels in Orange

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.

Orange 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° / 617.90.89.12.4
Feb12° / 445.80.510.23.3
Mar16° / 476.70.111.65.4
Apr19° / 718.6013.26.4
May23° / 12°668.6014.57.1
Jun28° / 16°425.4015.27.0
Jul31° / 19°314.20155.6
Aug30° / 18°464.7013.85.8
Sep25° / 15°956.8012.37.5
Oct20° / 11°1038.7010.86.5
Nov14° / 10810.20.19.44.1
Dec11° / 598.10.38.72.7

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 12% of September, with mostly cloudy or overcast conditions the remaining 34%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17327
27327
37327
47228
57129
67129
77129
87030
96931
106931
116832
126733
136634
146634
156535
166535
176436
186436
196436
206337
216337
226337
236238
246238
256238
266238
276238
286139
296139
306040

Chance of precipitation in September

Any precipitation

Orange gets around 95 mm of rain over 6.8 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 22% and peaks near 26% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
116
216
317
418
518
619
719
820
920
1021
1121
1222
1323
1423
1523
1624
1724
1824
1924
2024
2125
2225
2325
2425
2526
2626
2726
2826
2926
3026

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 59% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15227183
25327173
35327173
45527162
55626162
65626162
75626162
85626162
95626162
105726161
115726161
125726161
135726161
145726161
155726161
165726161
175925151
185925151
196025141
206125131
216125131
226225121
236325111
246325111
256425101
266425101
27652591
28652591
29672481
30672481

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm

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 6:08 AM to 6:43 AM, and sunset from 7:13 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.16:087:13
213.06:107:11
313.06:117:09
412.96:127:07
512.96:137:05
612.86:147:03
712.86:157:01
812.76:176:59
912.76:186:58
1012.66:196:56
1112.66:206:54
1212.56:216:52
1312.56:236:50
1412.46:246:48
1512.46:256:46
1612.36:266:44
1712.26:276:42
1812.26:286:40
1912.16:306:38
2012.16:316:36
2112.06:326:34
2212.06:336:32
2311.96:346:31
2411.96:366:29
2511.86:376:27
2611.86:386:25
2711.76:396:23
2811.76:416:21
2911.66:426:19
3011.66:436:17

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.5 kWh/m².

For context, solar energy here swings from a low near 1.44 kWh/m² to a high of 7.02 kWh/m² in July across the year — September's 4.5 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.3Bright
35.2Bright
45.2Bright
55.1Bright
65.1Bright
75.0Bright
84.9Bright
94.9Bright
104.8Bright
114.8Bright
124.7Bright
134.6Bright
144.6Bright
154.5Bright
164.5Bright
174.4Bright
184.3Bright
194.3Bright
204.2Bright
214.2Bright
224.1Bright
234.0Bright
244.0Moderate
253.9Moderate
263.9Moderate
273.8Moderate
283.8Moderate
293.7Moderate
303.7Moderate
Planning a trip in September

Is September a good time to visit Orange?

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

7.5
Sightseeing
1st-best month of the year
6.8
Beach & pool
4th-best month of the year

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

What to pack for Orange in September

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

In September, Orange sees daytime highs around 25°C and nights near 15°C. Worth packing: light clothes and sun protection. About 7 days see rain.

light clothessun protection

UV index in Orange 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 Orange peaks around July 16 at about 9 (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 9Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr6High
May6High
Jun7Very high
Jul9Very high
Aug7High
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Orange 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 Orange is worst in March — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodGoodModerateMar 2016 µg/m³Jul 2311 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb14Moderate
Mar16Moderate
Apr16Moderate
May13Moderate
Jun14Moderate
Jul11Good
Aug11Good
Sep12Good
Oct12Moderate
Nov11Good
Dec13Moderate
Location & terrain

Where is Orange?

Orange sits at 44.1°N, 4.8°E, 48 m above sea level, in France. The nearest listed city is Sorgues, 15 km away.

Topography around Orange

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

Within 3 km, the terrain around Orange has only modest variations in elevation — a maximum elevation change of 74 m around an average of 46 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 417 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,883 m.

The land around Orange is covered by trees (35%), cropland (27%) and artificial surfaces (26%) within 3 km, trees (40%) and cropland (27%) within 16 km, and trees (64%) within 80 km.

3 km
74 m
16 km
417 m
80 km
1,883 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Sorgues 15 km · Bagnols-sur-Cèze 15 km · Le Pontet 20 km · Avignon 21 km · Carpentras 21 km · L'Isle-sur-la-Sorgue 31 km · Cavaillon 39 km · Montélimar 47 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 Orange (44.1381°, 4.8102°, elevation 48 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. 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).