Lormont weather in September

In September, Lormont sees average daytime highs of 24°C and overnight lows near 14°C, with 57 mm of rain across 8.2 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 22°C by the end. The sky is clear or mostly clear about 34% 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 Lormont's 3rd-clearest and 10th-windiest month. For the whole year in context, see Lormont's year-round climate.

Daytime high
24°
4th warmest
Overnight low
14°
9th coldest
Rainfall
57 mm
8.2 wet days
Daylight
12 h 18 min
6:47 AM – 7:06 PM
Cloud cover
52%
3rd clearest
Wind
10 km/h
10th windiest
Solar energy
4.2 kWh/m²
Travel score
7.2
out of 10

Lormont is human settlement in France.

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 22°C by the end.

A typical September day in Lormont reaches about 24°C in the afternoon and slips back to 14°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 29°C. Set against its neighbours, September runs about 3°C cooler than August and about 4°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12615
22615
32515
42515
52515
62515
72514
82514
92514
102414
112414
122414
132414
142414
152414
162413
172313
182313
192313
202313
212313
222313
232313
242213
252213
262213
272213
282212
292212
302212

Lormont weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan10° / 7110.892.2
Feb11° / 498.910.12.9
Mar15° / 5110.111.64.5
Apr17° / 6611.113.25.4
May21° / 12°7111.414.66.2
Jun24° / 15°609.215.36.9
Jul27° / 16°457.8157.1
Aug27° / 16°527.713.97.1
Sep24° / 14°578.212.37.2
Oct19° / 11°6610.810.75.9
Nov14° / 7711.69.43.8
Dec11° / 7211.58.72.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% 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 48%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15941
25941
35941
45941
55941
65842
75842
85842
95743
105644
115545
125545
135446
145446
155248
165248
175149
185149
194951
204951
214852
224852
234753
244753
254753
264555
274456
284456
294357
304258

Chance of precipitation in September

Any precipitation

Lormont gets around 57 mm of rain over 8.2 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 28% and peaks near 33% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
122
222
322
423
523
623
724
824
925
1026
1127
1227
1328
1429
1529
1630
1730
1830
1931
2031
2131
2231
2331
2431
2531
2632
2732
2832
2933
3033

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 49% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13635236
23735226
33935216
44035205
54135195
64235184
74335184
84435173
94436173
104536173
114635172
124635172
134735172
144735171
154834161
164934161
175034161
185133151
195133151
205333140
215433130
225433130
235433130
245533120
255632120
265632120
275632120
285732110
295831110
305831110

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 6:29 AM to 7:05 AM, and sunset from 7:35 PM to 6:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.16:297:35
213.06:307:33
313.06:317:31
412.96:327:29
512.96:347:27
612.86:357:25
712.86:367:23
812.76:377:21
912.76:397:19
1012.66:407:17
1112.66:417:15
1212.56:427:14
1312.56:437:12
1412.46:457:10
1512.46:467:08
1612.36:477:06
1712.36:487:04
1812.26:507:02
1912.16:517:00
2012.16:526:58
2112.06:536:56
2212.06:556:54
2311.96:566:52
2411.96:576:50
2511.86:586:48
2611.87:006:46
2711.77:016:44
2811.77:026:42
2911.67:036:40
3011.67:056:38

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.2 kWh/m².

For context, solar energy here swings from a low near 1.22 kWh/m² to a high of 6.16 kWh/m² in June across the year — September's 4.2 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.8Bright
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
174.1Bright
184.0Bright
194.0Moderate
203.9Moderate
213.9Moderate
223.8Moderate
233.8Moderate
243.7Moderate
253.7Moderate
263.6Moderate
273.5Moderate
283.5Moderate
293.4Moderate
303.4Moderate
Planning a trip in September

Is September a good time to visit Lormont?

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

7.2
Sightseeing
1st-best month of the year
5.8
Beach & pool
4th-best month of the year

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

What to pack for Lormont in September

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

In September, Lormont sees daytime highs around 24°C and nights near 14°C. Worth packing: light clothes and rain gear. About 8 days see rain.

light clothesrain gear

Sea temperature near Lormont in September

The nearest coast averages about 20°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 67 km away) is warmest in August at about 21°C and coldest in February near 11°C.

It's comfortable for a long swim from Jul 9 to Sep 15 — about 2.3 months when the water holds above 20°C.

10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb11Bracing
Mar12Bracing
Apr13Bracing
May15Cool
Jun18Cool
Jul21Refreshing
Aug21Refreshing
Sep20Refreshing
Oct18Cool
Nov16Cool
Dec13Bracing

UV index in Lormont 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 Lormont peaks around July 18 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highModerateLowJul 18UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr6High
May6High
Jun7Very high
Jul8Very high
Aug7Very high
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Lormont?

Lormont sits at 44.9°N, 0.5°W, 51 m above sea level, in France. The nearest listed city is Cenon, 3.0 km away.

Topography around Lormont

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

Within 3 km, the terrain around Lormont has only modest variations in elevation — a maximum elevation change of 76 m around an average of 34 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 120 m; within 80 km, only modest variations in elevation — a maximum elevation change of 204 m.

The land around Lormont is covered by artificial surfaces (49%) and trees (30%) within 3 km, trees (33%), grassland (30%) and artificial surfaces (25%) within 16 km, and trees (44%) and grassland (25%) within 80 km.

3 km
76 m
16 km
120 m
80 km
204 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Cenon 3.0 km · Floirac 5.0 km · Bordeaux 6.0 km · Le Bouscat 6.0 km · Bègles 8.0 km · Talence 9.0 km · Blanquefort 10 km · Eysines 10 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 Lormont (44.8765°, -0.5192°, elevation 51 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).