Old Orchard Beach Weather in September

What's the weather like in Old Orchard Beach (Maine) in September 2025?

The climate in Old Orchard Beach during September can be summarized as mild and a little damp.

September is in the fall / autumn in Old Orchard Beach and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 21°C (70°F), whilst at night 9°C (49°F) is normal.

Old Orchard Beach weather averages (imperial / metric)
Daytime temperature 21.1°C 69.9°F
Nightly temperature 9.4°C 48.8°F
Average temperature 15.2°C 59.4°F
Daily sunshine 8.1 hrs
Avg rainfall 81 mm 3.2 ins
Rainy days 9 days
Sea temperature 15.5°C 59.8°F
Humidity 77%
Windspeed 13kph 8 mph

On average September is the 3rd driest month of the year in Old Orchard Beach with around 81mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 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 Old Orchard Beach

Old Orchard Beach average temperature in September

September rainfall

Old Orchard Beach average rain in September

September hourly sunshine

Old Orchard Beach 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 Old Orchard Beach 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

Old Orchard Beach weather stats

Old Orchard Beach weather statistics
Hottest month: July 26°C 78.8°F
Driest month: August 75mm 3ins
Sunniest month: August 9.2hrs
Coldest month: January -1°C 30.2°F
Wettest month: November 129mm 5.1ins
Map showing location of Old Orchard Beach (43.51731, -70.37755) Old Orchard Beach map pin © Google

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