Sens weather in September

In September, Sens sees average daytime highs of 21°C and overnight lows near 11°C, with 56 mm of rain across 8.8 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 23°C in the first days to 19°C by the end. The sky is clear or mostly clear about 24% 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 Sens's 3rd-clearest and 9th-windiest month. For the whole year in context, see Sens's year-round climate.

Daytime high
21°
4th warmest
Overnight low
11°
9th coldest
Rainfall
56 mm
8.8 wet days
Daylight
12 h 18 min
6:31 AM – 6:52 PM
Cloud cover
62%
3rd clearest
Wind
12 km/h
9th windiest
Solar energy
3.55 kWh/m²
Travel score
6.5
out of 10
Air quality
Excellent
PM10 14.7 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 23°C in the first days to 19°C by the end.

A typical September day in Sens reaches about 21°C in the afternoon and slips back to 11°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 26°C. Set against its neighbours, September runs about 4°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
32313
42312
52212
62212
72212
82212
92212
102212
112212
122112
132111
142111
152111
162111
172111
182111
192011
202011
212011
222011
232010
242010
252010
261910
271910
281910
291910
301910

How September really feels in Sens

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.

Sens 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 / 64121.28.60.6
Feb / 5610.61.59.91.2
Mar12° / 5611.40.611.63.0
Apr15° / 5711013.44.5
May19° / 6911.6014.95.7
Jun23° / 13°5510.3015.86.5
Jul25° / 15°599.3015.56.9
Aug25° / 14°599.1014.17.0
Sep21° / 11°568.8012.46.5
Oct16° / 7211.8010.64.7
Nov10° / 6712.10.492.2
Dec / 7913.31.28.20.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% 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 61%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14456
24456
34456
44456
54357
64456
74456
84357
94357
104258
114258
124258
134159
144159
154159
164060
174060
183961
193763
203763
213664
223664
233565
243466
253367
263268
273169
283070
293070
302971

Chance of precipitation in September

Any precipitation

Sens gets around 56 mm of rain over 8.8 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 30% 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 (%)
126
226
326
426
526
626
727
827
928
1028
1128
1229
1329
1429
1530
1630
1730
1831
1931
2031
2131
2232
2332
2433
2533
2634
2735
2836
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 71% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
1622711
2622711
3632710
465269
565269
666268
766268
867267
967267
1068266
1169256
1270255
1370255
1471245
1572244
1672244
1774233
1874233
1974233
2076222
2176222
2276222
2376222
2476222
2576222
2676222
2776222
2876222
2976222
3077212

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

051015151015202530
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze

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 6:09 AM to 6:51 AM, and sunset from 7:24 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.26:097:24
213.26:117:22
313.16:127:19
413.16:147:17
513.06:157:15
612.96:177:13
712.96:187:11
812.86:197:09
912.86:217:07
1012.76:227:05
1112.66:247:02
1212.66:257:00
1312.56:276:58
1412.56:286:56
1512.46:296:54
1612.36:316:52
1712.36:326:49
1812.26:346:47
1912.26:356:45
2012.16:376:43
2112.06:386:41
2212.06:396:39
2311.96:416:36
2411.96:426:34
2511.86:446:32
2611.76:456:30
2711.76:476:28
2811.66:486:26
2911.66:506:23
3011.56:516:21

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.55 kWh/m².

For context, solar energy here swings from a low near 0.81 kWh/m² to a high of 5.69 kWh/m² in June across the year — September's 3.55 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.2Bright
24.1Bright
34.1Bright
44.0Bright
54.0Bright
64.0Moderate
73.9Moderate
83.9Moderate
93.8Moderate
103.8Moderate
113.8Moderate
123.7Moderate
133.7Moderate
143.6Moderate
153.6Moderate
163.5Moderate
173.5Moderate
183.5Moderate
193.4Moderate
203.4Moderate
213.3Moderate
223.2Moderate
233.2Moderate
243.1Moderate
253.1Moderate
263.0Moderate
273.0Moderate
282.9Moderate
292.8Moderate
302.8Moderate
Planning a trip in September

Is September a good time to visit Sens?

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

6.5
Sightseeing
3rd-best month of the year
3.9
Beach & pool
4th-best month of the year

September is a reasonable time to visit Sens for sightseeing.

What to pack for Sens in September

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

In September, Sens sees daytime highs around 21°C and nights near 11°C. Worth packing: rain gear. About 9 days see rain.

rain gear

UV index in Sens 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 Sens peaks around July 17 at about 7 (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 17UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May6High
Jun7High
Jul7Very high
Aug7High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Sens?

Sens sits at 48.2°N, 3.3°E, 78 m above sea level, in France. The nearest listed city is Montereau-Fault-Yonne, 32 km away.

Topography around Sens

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

Within 3 km, the terrain around Sens has only modest variations in elevation — a maximum elevation change of 126 m around an average of 86 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 205 m; within 80 km, significant variations in elevation — a maximum elevation change of 355 m.

The land around Sens is covered by artificial surfaces (34%), cropland (27%) and trees (22%) within 3 km, cropland (55%) and trees (33%) within 16 km, and cropland (58%) and trees (33%) within 80 km.

3 km
126 m
16 km
205 m
80 km
355 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Montereau-Fault-Yonne 32 km · Montargis 47 km · Avon 47 km · Fontainebleau 49 km · Auxerre 49 km · Dammarie-les-Lys 59 km · Troyes 60 km · Melun 61 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 Sens (48.1974°, 3.2833°, elevation 78 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).