Illkirch-Graffenstaden in Fall
In fall (September, October and November), Illkirch-Graffenstaden sees average daytime highs around 15°C and overnight lows near 8°C, with 222 mm of precipitation over about 34 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 22°C in early September to 7°C by late November. The sky is clear or mostly clear about 22% of the time across fall, and the air most often feels dry.
Fall is Illkirch-Graffenstaden's 3rd-best season to visit on our travel score. For the whole year in context, see Illkirch-Graffenstaden's year-round climate.
- Avg daytime high
- 15°C
- 3rd-warmest season
- Avg overnight low
- 8°C
- Precipitation
- 222 mm
- 34 wet days
- Avg wind
- 8 km/h
- Travel score
- 4.1
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Illkirch-Graffenstaden in Fall
Over the season highs ease from about 22°C in early September to 7°C by late November.
A typical fall day in Illkirch-Graffenstaden reaches about 15°C and drops to 8°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Illkirch-Graffenstaden
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 6 that feel at or below 0°C.
The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.
Illkirch-Graffenstaden weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 5° / 0° | 72 | 13.2 | 3.1 | 8.6 | 0.0 |
| Feb | 7° / 0° | 63 | 11.2 | 3.1 | 9.9 | 0.7 |
| Mar | 11° / 3° | 70 | 12.5 | 1.3 | 11.6 | 2.7 |
| Apr | 16° / 6° | 60 | 11.6 | 0.1 | 13.4 | 4.6 |
| May | 20° / 10° | 83 | 13.8 | 0 | 15 | 5.6 |
| Jun | 23° / 13° | 79 | 12.5 | 0 | 15.8 | 6.4 |
| Jul | 25° / 15° | 84 | 13.1 | 0 | 15.5 | 6.4 |
| Aug | 25° / 15° | 76 | 12 | 0 | 14.1 | 6.6 |
| Sep | 20° / 11° | 70 | 10.3 | 0 | 12.4 | 6.2 |
| Oct | 15° / 8° | 77 | 11.9 | 0.1 | 10.6 | 4.3 |
| Nov | 9° / 4° | 76 | 11.9 | 1 | 9 | 1.7 |
| Dec | 6° / 1° | 87 | 14.6 | 3.3 | 8.2 | 0.3 |
Cloud cover in Fall
The sky is clear or mostly clear about 22% of the time across fall.
Chance of precipitation in Fall
Illkirch-Graffenstaden gets around 222 mm of rain and snow over 34 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 8 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 13 h 18 min in early September to 8 h 24 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 2.3 kWh/m².
Is fall a good time to visit Illkirch-Graffenstaden?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Illkirch-Graffenstaden for sightseeing.
What to pack for Illkirch-Graffenstaden in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Illkirch-Graffenstaden sees daytime highs around 15°C and nights near 8°C. Pack a warm layer. Worth having: rain gear. About 34 days see rain.
UV index in Illkirch-Graffenstaden in Fall
Clear-sky midday UV across fall averages around 3. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Illkirch-Graffenstaden 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 5 | 6 | 7 | 8 | 6 | 4 | 3 | 1 | 1 |
| Level | Low | Low | Moderate | Moderate | High | High | Very high | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 4 | Moderate |
| Apr | 5 | Moderate |
| May | 6 | High |
| Jun | 7 | High |
| Jul | 8 | Very high |
| Aug | 6 | High |
| Sep | 4 | Moderate |
| Oct | 3 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Air quality in Illkirch-Graffenstaden in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Illkirch-Graffenstaden is worst in April — around 16 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 9 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 11 | 11 | 15 | 16 | 14 | 15 | 12 | 12 | 12 | 11 | 10 | 9 |
| Level | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 11 | Good |
| Mar | 15 | Moderate |
| Apr | 16 | Moderate |
| May | 14 | Moderate |
| Jun | 15 | Moderate |
| Jul | 12 | Good |
| Aug | 12 | Moderate |
| Sep | 12 | Good |
| Oct | 11 | Good |
| Nov | 10 | Good |
| Dec | 9 | Good |
Where is Illkirch-Graffenstaden?
Illkirch-Graffenstaden sits at 48.5°N, 7.7°E, 143 m above sea level, in France. The nearest listed city is Lingolsheim, 4.0 km away.
Topography around Illkirch-Graffenstaden
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Illkirch-Graffenstaden.
Within 3 km, the terrain around Illkirch-Graffenstaden has only modest variations in elevation — a maximum elevation change of 26 m around an average of 145 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 107 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,388 m.
The land around Illkirch-Graffenstaden is covered by trees (36%) and artificial surfaces (35%) within 3 km, cropland (42%) and trees (24%) within 16 km, and trees (57%) within 80 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
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 Illkirch-Graffenstaden (48.5289°, 7.7152°, elevation 143 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.