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Saint-Julien Weather in September
Saint-Julien in September sees high temperatures, with highs around 23°C (73°F) and overnight lows of 12°C (54°F). Rainfall is fairly high at around 99 mm (3.9 in) on average, so pack waterproofs just in case.
Rainfall in Saint-Julien in September
Past climate data indicates that roughly 11 days will see rain, totalling around 99 mm (3.9 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Saint-Julien in September
September tends to be one of the excellent months in Saint-Julien, with 23°C (73°F) in the afternoon and 12°C (54°F) overnight. Overall, the month follows a fairly predictable daily temperature pattern. With lows of 12°C (54°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Saint-Julien in September
There are approximately 195 hours of sunshine this month, resulting in mostly clear days.If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for Saint-Julien.
Saint-Julien Temperature in September
Min Temperature
12°C (54°F)
Max Temperature
23°C (73°F)
Chance of Rain
35%
Precipitation
99 mm (3.9 in)
Rainy days
11 days
Humidity
76% *
Sunshine
195 hours *
Percentage Sunshine
56% *
* Data from: Lyon, France (32 KM, 20 Miles).
Saint-Julien Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Saint-Julien - 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 Saint-Julien in September
For Saint-Julien in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Saint-Julien in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling9/10 -
Walking9/10 -
Camping8/10 -
Outdoor sports9/10
Saint-Julien 3-Day Forecast
More climate data for Saint-Julien
Temperature Rainfall Sunshine Humidity
See the full Saint-Julien climate overview or explore weather in France.
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Where to go in September - average daytime high across popular destinations.
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The 10 most charming villages in France
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