Measurements:
°C
°F
Locarno
20°F
S 7 mph
Feels like: 10°F
Precip: 0%
World Resorts Switzerland Locarno Weather September Weather in Locarno

Locarno Weather: September

Average Day Temperature: 65.5°F
Average Night Temperature: 48.1°F
Number of Sunny Days: 17 days
Sunshine Hours: 11.7 - 13.3 hours
Number of Rainy Days: 5 days
Precipitation Totals: 3.2 in

Air Temperature in September, °F

Select Year: 2025 2024 2023

The highest day temperature in September 2025 was 77°F. The lowest night temperature was 36°F. The average values for day and night temperatures during September were 63.9°F и 49.6°F respectivly.

Sunny, Cloudy and Gloomy days

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Locarno is 3.2 in.

Wind Speed in September, mph

The average wind speed in September is 3.9 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Locarno in September is 8.6 hours.

Best Time to Visit Locarno
The most sunny months:
January 19 days
December 19 days
August 18 days
The most warm months:
July 75.8 °F
August 75.2 °F
June 71.3 °F
The most cold months:
January 33.5 °F
December 35.7 °F
February 36.9 °F
The most rainy months:
July 9 days
June 9 days
May 8 days
The most windy months:
January 4 mph
July 4 mph
May 4 mph

Locarno on the Weather Map

Switzerland Resorts:
NAME
Basle +32
Berne +30
Geneva +30
Gstaad +22
Lake Geneva +34
Lausanne +34
Lucerne +28
Lugano +22
Montreux +22
St Gallen +30
Verbier +10
Vevey +22
Winterthur +30
Zermatt -6
Zurich +30
24 Hours Weather Forecast
Locarno
Local time: 03:20
10 jan, saturday
0600 20°F
S
7 mph
0900 22°F
S
7 mph
1200 34°F
S
6 mph
1500 34°F
S
6 mph
1800 22°F
S
8 mph
2100 22°F
S
9 mph
11 jan, sunday
0000 20°F
S
9 mph
0300 20°F
S
9 mph