Lyndon Weather in September

What's the weather like in Lyndon (Kansas) in September 2025?

The climate in Lyndon during September can be summarized as warm, humid and damp.

September is in the fall / autumn in Lyndon and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 14°C (57°F) is normal.

Lyndon weather averages (imperial / metric)
Daytime temperature 26.8°C 80.2°F
Nightly temperature 13.9°C 56.9°F
Average temperature 20.3°C 68.5°F
Daily sunshine 8.4 hrs
Avg rainfall 100 mm 3.9 ins
Rainy days 8 days
Sea temperature 20.6°C 69.1°F
Humidity 71%
Windspeed 15.5kph 10 mph

On average September is the 4th wettest month of the year in Lyndon with around 100mm 3.9 inches of rain making it a 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 8.4 hours of sunshine per day.

September temperatures in Lyndon

Lyndon average temperature in September

September rainfall

Lyndon average rain in September

September hourly sunshine

Lyndon 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 Lyndon in September 2025.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Lyndon weather stats

Lyndon weather statistics
Hottest month: July 32.1°C 89.8°F
Driest month: January 26mm 1ins
Sunniest month: July 11.4hrs
Coldest month: January 2.8°C 37°F
Wettest month: June 139mm 5.5ins
Map showing location of Lyndon (38.61001, -95.68443) Lyndon map pin © Google

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