Ferney-Voltaire
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Ferney-Voltaire Weather in September

Ferney-Voltaire in September sees pleasant temperatures, with highs around 20°C (68°F) and overnight lows of 10°C (50°F). Rainfall is fairly high at around 124 mm (4.9 in) on average, so pack waterproofs just in case.

Rainfall in Ferney-Voltaire in September

You can expect rain on around 12 days based on historical patterns, with 124 mm (4.9 in) average for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Ferney-Voltaire in September

In September, Ferney-Voltaire sees pleasant temperatures, with highs of 20°C (68°F). Nights drop to around 10°C (50°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. At 10°C (50°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Ferney-Voltaire in September

The city usually sees around 183 hours of sunlight, indicating a moderately sunny period.

Average water temperature in September

The water sits at 20°C (68°F), which is a nice temperature for swimming. Not too cold, not too warm, most visitors are happy to spend time in the water.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Ferney-Voltaire.

Ferney-Voltaire Temperature in September

Min Temperature
10°C (50°F)
Max Temperature
20°C (68°F)
Water Temperature
20°C (68°F) *
Chance of Rain
40%
Precipitation
124 mm (4.9 in)
Rainy days
12 days
Humidity
74% *
Sunshine
183 hours *
Percentage Sunshine
55% *
* Data from: Geneva, Switzerland (6 KM, 3 Miles).

Ferney-Voltaire Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Ferney-Voltaire - and find the best time to visit.

Best Places in France in September

Find out more about the weather in France and which places have the best travel conditions in this month. See all of France in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Ferney-Voltaire in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. With water temperatures around 20°C (68°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Ferney-Voltaire in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    6/10
  • Cycling
    9/10
  • Walking
    9/10
  • Camping
    3/10
  • Outdoor sports
    9/10

Ferney-Voltaire 3-Day Forecast

More climate data for Ferney-Voltaire

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