Bourg-en-Bresse weather in September

In September, Bourg-en-Bresse sees average daytime highs of 22°C and overnight lows near 13°C, with 86 mm of rain across 9.6 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 20°C by the end. The sky is clear or mostly clear about 33% 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 Bourg-en-Bresse's 4th-clearest and 10th-windiest month. For the whole year in context, see Bourg-en-Bresse's year-round climate.

Daytime high
22°
4th warmest
Overnight low
13°
9th coldest
Rainfall
86 mm
9.6 wet days
Daylight
12 h 18 min
6:24 AM – 6:43 PM
Cloud cover
54%
4th clearest
Wind
9 km/h
10th windiest
Solar energy
3.86 kWh/m²
Travel score
6.8
out of 10
Air quality
Good
PM2.5 9.2 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 24°C in the first days to 20°C by the end.

A typical September day in Bourg-en-Bresse reaches about 22°C in the afternoon and slips back to 13°C overnight — a 9°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
22414
32414
42414
52414
62414
72414
82314
92313
102313
112313
122313
132313
142213
152213
162213
172213
182212
192212
202112
212112
222112
232112
242112
252012
262012
272012
282011
292011
302011

How September really feels in Bourg-en-Bresse

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.

Bourg-en-Bresse weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 101132.78.80.8
Feb / 84112.3101.5
Mar13° / 8111.3111.63.6
Apr17° / 8811.10.213.35.1
May21° / 11°9211.8014.76.1
Jun25° / 15°7210.3015.56.8
Jul27° / 16°638.1015.27.0
Aug27° / 16°648.20147.1
Sep22° / 13°869.6012.36.8
Oct17° / 10°10211.20.110.75.1
Nov11° / 11813.31.29.22.4
Dec / 11113.72.28.51.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% 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 48%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16040
26040
36040
46040
55941
65941
75842
85842
95743
105743
115743
125545
135545
145545
155446
165347
175248
185149
195149
205050
214951
224852
234852
244654
254555
264555
274357
284357
294159
304060

Chance of precipitation in September

Any precipitation

Bourg-en-Bresse gets around 86 mm of rain over 9.6 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 32% and peaks near 38% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
125
226
326
426
527
628
728
829
930
1030
1131
1232
1333
1433
1534
1634
1735
1835
1935
2035
2135
2235
2335
2435
2536
2636
2736
2837
2937
3038

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 65% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15330161
25529151
35728141
45828131
55927131
66127120
76227110
86227110
96327100
106327100
11642790
12642790
13652780
14652780
15662770
16662770
17662770
18672760
19672760
20682750
21692650
22692650
23692650
24702550
25712540
26722440
27722440
28732340
29742330
30752230

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 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
3010calm

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 6:04 AM to 6:42 AM, and sunset from 7:13 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.26:047:13
213.16:067:11
313.06:077:09
413.06:087:07
512.96:097:05
612.96:117:03
712.86:127:01
812.86:136:59
912.76:156:57
1012.76:166:55
1112.66:176:53
1212.56:196:51
1312.56:206:49
1412.46:216:47
1512.46:226:45
1612.36:246:43
1712.36:256:41
1812.26:266:39
1912.26:286:37
2012.16:296:35
2112.06:306:33
2212.06:326:31
2311.96:336:29
2411.96:346:27
2511.86:366:25
2611.86:376:23
2711.76:386:21
2811.66:406:19
2911.66:416:17
3011.56:426:15

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.86 kWh/m².

For context, solar energy here swings from a low near 1.06 kWh/m² to a high of 6.08 kWh/m² in July across the year — September's 3.86 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.5Bright
44.5Bright
54.4Bright
64.4Bright
74.3Bright
84.3Bright
94.2Bright
104.2Bright
114.1Bright
124.1Bright
134.0Bright
144.0Moderate
153.9Moderate
163.8Moderate
173.8Moderate
183.7Moderate
193.7Moderate
203.6Moderate
213.6Moderate
223.5Moderate
233.4Moderate
243.4Moderate
253.3Moderate
263.3Moderate
273.2Moderate
283.2Moderate
293.1Moderate
303.0Moderate
Planning a trip in September

Is September a good time to visit Bourg-en-Bresse?

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

6.8
Sightseeing
3rd-best month of the year
4.7
Beach & pool
4th-best month of the year

September is a reasonable time to visit Bourg-en-Bresse for sightseeing.

What to pack for Bourg-en-Bresse in September

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

In September, Bourg-en-Bresse sees daytime highs around 22°C and nights near 13°C. Worth packing: light clothes and rain gear. About 10 days see rain.

light clothesrain gear

UV index in Bourg-en-Bresse 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 Bourg-en-Bresse peaks around July 15 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 15UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May6High
Jun7Very high
Jul8Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Bourg-en-Bresse?

Bourg-en-Bresse sits at 46.2°N, 5.2°E, 231 m above sea level, in France. The nearest listed city is Mâcon, 33 km away.

Topography around Bourg-en-Bresse

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bourg-en-Bresse.

Within 3 km, the terrain around Bourg-en-Bresse has only modest variations in elevation — a maximum elevation change of 76 m around an average of 237 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 436 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,554 m.

The land around Bourg-en-Bresse is covered by artificial surfaces (46%), grassland (25%) and trees (20%) within 3 km, trees (36%), grassland (30%) and cropland (26%) within 16 km, and trees (43%) and grassland (32%) within 80 km.

3 km
76 m
16 km
436 m
80 km
1,554 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Mâcon 33 km · Oyonnax 34 km · Villefranche-sur-Saône 46 km · Rillieux-la-Pape 50 km · Meyzieu 52 km · Vaulx-en-Velin 52 km · Décines-Charpieu 53 km · Caluire-et-Cuire 54 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 Bourg-en-Bresse (46.2057°, 5.2258°, elevation 231 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).