Sélestat weather in September

In September, Sélestat sees average daytime highs of 20°C and overnight lows near 11°C, with 68 mm of rain across 11 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 18°C by the end. The sky is clear or mostly clear about 26% 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 Sélestat's 3rd-clearest and 9th-windiest month. For the whole year in context, see Sélestat's year-round climate.

Daytime high
20°
4th warmest
Overnight low
11°
9th coldest
Rainfall
68 mm
11 wet days
Daylight
12 h 18 min
6:14 AM – 6:35 PM
Cloud cover
61%
3rd clearest
Wind
8 km/h
9th windiest
Solar energy
3.51 kWh/m²
Travel score
6.1
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 22°C in the first days to 18°C by the end.

A typical September day in Sélestat reaches about 20°C in the afternoon and slips back to 11°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 26°C. Set against its neighbours, September runs about 5°C cooler than August and about 5°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12313
22313
32213
42213
52213
62212
72212
82212
92112
102112
112112
122112
132112
142111
152011
162011
172011
182011
192011
202011
211910
221910
231910
241910
251910
261910
271810
281810
291810
301810

How September really feels in Sélestat

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.

Sélestat weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°6912.63.68.60.0
Feb / 6010.93.99.90.6
Mar11° / 6612.6211.62.5
Apr15° / 6011.80.313.44.4
May19° / 10°8514.2014.95.5
Jun23° / 13°7813.1015.86.3
Jul25° / 15°7913.3015.56.4
Aug25° / 15°7412.4014.16.5
Sep20° / 11°6811012.46.1
Oct15° / 76120.210.64.2
Nov / 7312.11.191.6
Dec / 8313.83.78.20.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14456
24456
34456
44456
54357
64357
74357
84357
94258
104258
114357
124357
134357
144456
154456
164357
174357
184357
194159
204159
214159
224159
234159
244060
254060
263961
273862
283664
293664
303565

Chance of precipitation in September

Any precipitation

Sélestat gets around 68 mm of rain over 11 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 38% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
137
237
337
437
537
637
737
837
938
1038
1138
1238
1338
1438
1538
1638
1738
1838
1938
2038
2137
2237
2337
2437
2538
2638
2739
2839
2940
3040

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 75% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
1612910
263289
365278
466268
567267
668266
769256
870255
970255
1071254
1171254
1272253
1373243
1473243
1575232
1675232
1776222
1876222
1978211
2079201
2180191
2280191
2381181
2482171
2582171
2683161
2783161
2884151
2985150
3085150

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 5:53 AM to 6:34 AM, and sunset from 7:07 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:537:07
213.25:547:05
313.15:567:03
413.15:577:01
513.05:586:59
612.96:006:57
712.96:016:54
812.86:036:52
912.86:046:50
1012.76:066:48
1112.66:076:46
1212.66:086:44
1312.56:106:41
1412.56:116:39
1512.46:136:37
1612.36:146:35
1712.36:166:33
1812.26:176:31
1912.26:186:28
2012.16:206:26
2112.06:216:24
2212.06:236:22
2311.96:246:20
2411.96:266:18
2511.86:276:15
2611.76:296:13
2711.76:306:11
2811.66:316:09
2911.66:336:07
3011.56:346:05

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.51 kWh/m².

For context, solar energy here swings from a low near 0.85 kWh/m² to a high of 5.76 kWh/m² in June across the year — September's 3.51 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.2Bright
24.1Bright
34.1Bright
44.0Bright
54.0Moderate
63.9Moderate
73.9Moderate
83.9Moderate
93.8Moderate
103.8Moderate
113.7Moderate
123.7Moderate
133.6Moderate
143.6Moderate
153.5Moderate
163.5Moderate
173.4Moderate
183.4Moderate
193.4Moderate
203.3Moderate
213.3Moderate
223.2Moderate
233.1Moderate
243.1Moderate
253.0Moderate
263.0Moderate
272.9Moderate
282.9Moderate
292.8Moderate
302.8Moderate
Planning a trip in September

Is September a good time to visit Sélestat?

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

6.1
Sightseeing
4th-best month of the year
3.3
Beach & pool
4th-best month of the year

September is a reasonable time to visit Sélestat for sightseeing.

What to pack for Sélestat in September

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

In September, Sélestat sees daytime highs around 20°C and nights near 11°C. Worth packing: rain gear. About 11 days see rain.

rain gear

UV index in Sélestat in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sélestat peaks around July 14 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 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 14UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May6High
Jun7High
Jul8Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Sélestat 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 Sélestat is worst in April — around 15 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (November, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodApr 1315 µg/m³Nov 199 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar15Moderate
Apr15Moderate
May13Moderate
Jun15Moderate
Jul12Good
Aug12Moderate
Sep12Good
Oct10Good
Nov9Good
Dec10Good
Location & terrain

Where is Sélestat?

Sélestat sits at 48.3°N, 7.4°E, 175 m above sea level, in France. The nearest listed city is Colmar, 21 km away.

Topography around Sélestat

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

Within 3 km, the terrain around Sélestat has only modest variations in elevation — a maximum elevation change of 28 m around an average of 176 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 843 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,375 m.

The land around Sélestat is covered by grassland (29%), cropland (26%) and trees (23%) within 3 km, trees (43%) and cropland (34%) within 16 km, and trees (58%) within 80 km.

3 km
28 m
16 km
843 m
80 km
1,375 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Colmar 21 km · Lahr 32 km · Emmendingen 34 km · Illkirch-Graffenstaden 36 km · Saint-Dié-des-Vosges 37 km · Lingolsheim 37 km · Strasbourg 42 km · Freiburg 42 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 Sélestat (48.2619°, 7.4489°, elevation 175 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).