Flawil Weather in September

What's the weather like in Flawil (Saint Gallen) in September 2024?

The climate in Flawil during September can be summarized as mild and a little damp.

September is in the fall / autumn in Flawil and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 18°C (65°F), whilst at night 10°C (49°F) is normal.

Flawil weather averages (imperial / metric)
Daytime temperature 18.2°C 64.7°F
Nightly temperature 9.5°C 49°F
Average temperature 13.8°C 56.8°F
Daily sunshine 6.2 hrs
Avg rainfall 94 mm 3.7 ins
Rainy days 13 days
Sea temperature 21°C 69.7°F
Humidity 77%
Windspeed 6.5kph 4 mph

On average September is the 5th wettest month of the year in Flawil with around 94mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.2 hours of sunshine per day.

September temperatures in Flawil

Flawil average temperature in September

September rainfall

Flawil average rain in September

September hourly sunshine

Flawil average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Flawil in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Flawil weather stats

Flawil weather statistics
Hottest month: July 21.9°C 71.4°F
Driest month: February 60mm 2.4ins
Sunniest month: July 8hrs
Coldest month: January 1.6°C 34.9°F
Wettest month: July 130mm 5.1ins
Map showing location of Flawil (47.41461, 9.18284) Flawil map pin © Google

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