Merrill Weather in September

What's the weather like in Merrill (Wisconsin) in September 2024?

The climate in Merrill during September can be summarized as mild and damp.

September is in the fall / autumn in Merrill and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 19°C (67°F), whilst at night 8°C (46°F) is normal.

Merrill weather averages (imperial / metric)
Daytime temperature 19.4°C 66.9°F
Nightly temperature 7.6°C 45.7°F
Average temperature 13.5°C 56.3°F
Daily sunshine 7.2 hrs
Avg rainfall 105 mm 4.1 ins
Rainy days 12 days
Sea temperature 14.7°C 58.5°F
Humidity 78%
Windspeed 14.4kph 9 mph

On average September is the wettest month of the year in Merrill with around 105mm 4.1 inches of rain making it a damp time to visit. This rainfall is typically spread over 12 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 Merrill

Merrill average temperature in September

September rainfall

Merrill average rain in September

September hourly sunshine

Merrill 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 Merrill in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Merrill weather stats

Merrill weather statistics
Hottest month: July 26.2°C 79.2°F
Driest month: February 23mm 0.9ins
Sunniest month: July 10.8hrs
Coldest month: January -6.9°C 19.6°F
Wettest month: September 105mm 4.1ins
Map showing location of Merrill (45.18052, -89.68346) Merrill map pin © Google

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