Skip to content

Weather Comparison

Geneva vs Paris

Side-by-side weather comparison for September

Geneva: 20°CParis: 21°C410 km apart

September Weather: Geneva vs Paris

MetricGenevaParisBetter
Average HighHigher is warmer20°C (68°F)21°C (70°F)Paris
Average LowHigher is milder12°C (54°F)12°C (54°F)Tie
Rain DaysFewer is drier12 days8 daysParis
PrecipitationLess is drier108 mm47 mmParis
Sunshine HoursMore is sunnier9h/day9h/dayTie
HumidityLower is more comfortable65%65%Tie
UV IndexLower is safer66Tie
Wind SpeedCalmer is better10 km/h17 km/hGeneva

Which City is Better in September?

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Paris edges ahead as the better destination in September. Paris offers 9 hours of daily sunshine with only 8 rain days, while Geneva sees 9 sunshine hours and 12 rain days.

Geneva sits in the comfortable travel range at 20°C. Paris is also comfortable at 21°C.

For travelers who prioritize dry weather, Paris is the stronger choice in September.

Temperature Comparison in September

Geneva reaches an average high of 20°C (68°F) and drops to 12°C (54°F) at night during September. The daily temperature range is 8°C, meaning moderate variation throughout the day.

Paris averages 21°C (70°F) for the high and 12°C (54°F) for the low, with a daily range of 9°C. The two cities feel quite similar in terms of temperature.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in September.

Rainfall Comparison in September

Geneva receives approximately 108 mm of rainfall across 12 rain days during September. You can expect rain roughly every other day.

Paris sees 47 mm over 8 rain days. That makes Paris the drier option by 4 rain days and 61 mm of total precipitation.

Both cities share similar humidity levels at 65%.

What to Pack: Geneva vs Paris

Packing for Geneva in September

Highs of 20°C, lows of 12°C, 12 rain days

  • light layers
  • a light jacket for evenings
  • sunscreen
  • waterproof jacket
  • compact umbrella
  • waterproof shoes

Packing for Paris in September

Highs of 21°C, lows of 12°C, 8 rain days

  • light layers
  • a light jacket for evenings
  • sunscreen
  • a packable rain jacket
  • an umbrella

Pack for both: light layers, a light jacket for evenings, sunscreen. These items are useful in either destination during September.

Year-Round Comparison: Geneva vs Paris

The table below shows average high temperatures and rain days for every month of the year, helping you find the best time to visit either city.September is highlighted for quick reference.

MonthGenevaParis
HighRainHighRain
Jan5°C13d7°C12d
Feb7°C11d8°C10d
Mar11°C13d12°C11d
Apr15°C13d15°C11d
May19°C16d19°C11d
Jun22°C14d22°C10d
Jul24°C13d24°C10d
Aug24°C12d24°C9d
Sep20°C12d21°C8d
Oct16°C12d16°C11d
Nov10°C13d11°C11d
Dec6°C13d7°C12d
20°

Geneva Weather in September

Full forecast, packing tips, and activities

21°

Paris Weather in September

Full forecast, packing tips, and activities

Frequently Asked Questions

Is Geneva warmer than Paris in September?
No. In September, Paris is warmer with an average high of 21°C (70°F) compared to Geneva at 20°C (68°F), a difference of 1°C.
Which city gets more rain in September, Geneva or Paris?
Geneva gets more rain in September with 12 rain days and 108 mm of precipitation. Paris is the drier option with 8 rain days.
Is it better to visit Geneva or Paris in September?
It depends on your preferences. Geneva averages 20°C and 9 hours of daily sunshine with 12 rain days. Paris averages 21°C with 9 sunshine hours and 8 rain days. If you prefer cooler conditions, choose Paris. For fewer rain days, Paris is the better pick.
How far apart are Geneva and Paris?
Geneva and Paris are approximately 410 km (255 miles) apart. Geneva is located in Switzerland (Europe) while Paris is in France (Europe).
What is the best month to visit Geneva and Paris?
For Geneva, July tends to be the best month with 12 hours of daily sunshine and a high of 24°C. For Paris, August is typically ideal with 11 sunshine hours and 24°C highs.

Compare Geneva and Paris in Other Months

Climate data sourced from the Open-Meteo Historical Weather API, using ERA5 reanalysis data covering 30-year normals from 1991 to 2020. All temperatures shown in Celsius with Fahrenheit equivalents. Rain days count days with 1 mm or more of precipitation. Sunshine hours represent average daily values. This comparison is generated from long-term climate averages and individual trips may vary.

Geneva coordinates: 46.20°N, 6.14°E | Paris coordinates: 48.86°N, 2.35°E