Lebanon Weather in September

What's the weather like in Lebanon (New Hampshire) in September 2024?

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

September is in the fall / autumn in Lebanon and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 21°C (69°F), whilst at night 8°C (46°F) is normal.

Lebanon weather averages (imperial / metric)
Daytime temperature 20.5°C 68.8°F
Nightly temperature 7.8°C 46°F
Average temperature 14.1°C 57.4°F
Daily sunshine 7.2 hrs
Avg rainfall 88 mm 3.5 ins
Rainy days 10 days
Sea temperature 16.9°C 62.4°F
Humidity 77%
Windspeed 11.5kph 7 mph

On average September is the 5th driest month of the year in Lebanon with around 88mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.2 hours of sunshine per day.

September temperatures in Lebanon

Lebanon average temperature in September

September rainfall

Lebanon average rain in September

September hourly sunshine

Lebanon 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 Lebanon in September 2024.