Flanders Weather in September

What's the weather like in Flanders (New York) in September 2025?

The climate in Flanders during September can be summarized as warm and a little damp.

September is in the fall / autumn in Flanders and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 23°C (74°F), whilst at night 13°C (55°F) is normal.

Flanders weather averages (imperial / metric)
Daytime temperature 23.3°C 73.9°F
Nightly temperature 12.9°C 55.2°F
Average temperature 18.1°C 64.6°F
Daily sunshine 8.1 hrs
Avg rainfall 89 mm 3.5 ins
Rainy days 8 days
Sea temperature 20.4°C 68.8°F
Humidity 75%
Windspeed 15.8kph 10 mph

On average September is the 5th driest month of the year in Flanders with around 89mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.1 hours of sunshine per day.

September temperatures in Flanders

Flanders average temperature in September

September rainfall

Flanders average rain in September

September hourly sunshine

Flanders 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 Flanders in September 2025.

Other monthly averages

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UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Flanders weather stats

Flanders weather statistics
Hottest month: July 26.9°C 80.4°F
Driest month: June 65mm 2.6ins
Sunniest month: March 8.1hrs
Coldest month: January 2.8°C 37°F
Wettest month: December 115mm 4.5ins
Map showing location of Flanders (40.90343, -72.61759) Flanders map pin © Google

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