| < September >
|Normal Max/ High Temperature
|Min/ Low Temperature
|Number of Wet Days (probability of rain on a day)
|Average Sunlight per day
|Average Daylight per day
|Sunny (Cloudy) Daylight Hours
|Sun altitude at solar noon on the 21st day.
- The average temperature in Lyon in September is very mild at 17.5 °C (63.5 °F).
- Afternoons can be fairly hot with average high temperatures reaching 23 °C (73.4 °F).
- Overnight temperatures are generally quite mild with an average low of 12 °C (53.6 °F).
- In September the variation/ range of diurnal average temperatures is 11 °C (19.8 °F).
- The weather in September is somewhat dry with rain now and again. Just 75.2mm (3in) of water is transfered across an average of 11 days.
- In September the heavens above Lyon are reasonably fine having an average of a detectable 6:23 of resplendent solar radiation per day.
- The shortest day is 11:41 long and the longest day is 13:16 long with an average length of 12:29.
- There are approximately 5:54 per day when bright sunshine is absent due to cloud, haze or the sun being too low on the horizon to register.
- It is sunny approximately 51.9% of daylight hours and cloudy 48.1% of daylight hours.
Check the distance to and compare the Lyon September averages with somewhere beginning with:
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Weather Trend Graph for September in Lyon, France
Navigate to September Weather in Locations Surrounding Lyon:
- Dijon, France - 171.8 kms (106.8 miles) N
- Bern, Switzerland - 237.1 kms (147.4 miles) NE
- Interlaken, Switzerland - 249.7 kms (155.1 miles) ENE
- Montreux, Switzerland - 172.5 kms (107.2 miles) ENE
- Geneva, Switzerland - 108.7 kms (67.5 miles) ENE
- Torino/ Caselle, Italy - 219.3 kms (136.3 miles) ESE
- Grenoble, France - 87.9 kms (54.6 miles) SE
- Turin, Piedmont, Italy - 225.3 kms (140 miles) ESE
- Torino, Italy - 231.4 kms (143.8 miles) ESE
- Marseille, France - 255.4 kms (158.7 miles) S