Gressoney-Saint-Jean Weather in September

September in Gressoney-Saint-Jean brings moderate temperatures around 14°C (57°F) during the day, dropping to 5°C (41°F) at night, with quite a bit of rainfall expected, averaging around 167 mm (6.6 in) for the month.

Rainfall in Gressoney-Saint-Jean in September

Historically, approximately 14 days this month are expected to have rain, averaging 167 mm (6.6 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Gressoney-Saint-Jean in September

September in Gressoney-Saint-Jean brings typical temperatures with highs around 14°C (57°F) and lows of 5°C (41°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows around 5°C (41°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Gressoney-Saint-Jean in September

With about 166 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

If your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for Gressoney-Saint-Jean.

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For a detailed overview over the year and the best time to visit Italy, check out our Gressoney-Saint-Jean's climate page.

Gressoney-Saint-Jean Temperature in September

Min Temperature 5°C (41°F)  

Max Temperature 14°C (57°F)  

Chance of Rain 47%  

Precipitation 167 mm (6.6 in)  

Rainy days 14 days  

Humidity 70% *  

Sunshine 166 hours *  

Percentage Sunshine 69% *  

* Data from: Zermatt, Switzerland (27 KM, 17 Miles).

What to Wear in Gressoney-Saint-Jean in September

The weather can swing between comfortable and chilly in September, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. It's going to pour! Pack a good poncho and prepare for very wet conditions. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Gressoney-Saint-Jean in September

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

Swimming

5/10

Cycling

5/10

Walking

5/10

Camping

3/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Italy, check out our Gressoney-Saint-Jean's climate page.

More climate data for Gressoney-Saint-Jean

Temperature Rainfall Sunshine Humidity

See the full Gressoney-Saint-Jean climate overview or explore weather in Italy.