Arzamas Weather in September

What's the weather like in Arzamas (Nizjnij Novgorod) in September 2025?

The climate in Arzamas during September can be summarized as mild and reasonably dry.

September is in the fall / autumn in Arzamas and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a cool 16°C (60°F), whilst at night 7°C (45°F) is normal.

Arzamas weather averages (imperial / metric)
Daytime temperature 15.6°C 60°F
Nightly temperature 7.1°C 44.7°F
Average temperature 11.3°C 52.3°F
Daily sunshine 5.8 hrs
Avg rainfall 54 mm 2.1 ins
Rainy days 13 days
Sea temperature 15°C 59°F
Humidity 73%
Windspeed 11.5kph 7 mph

On average September is the 5th wettest month of the year in Arzamas with around 54mm 2.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.8 hours of sunshine per day.

September temperatures in Arzamas

Arzamas average temperature in September

September rainfall

Arzamas average rain in September

September hourly sunshine

Arzamas 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 Arzamas in September 2025.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Arzamas weather stats

Arzamas weather statistics
Hottest month: July 23.5°C 74.3°F
Driest month: March 28mm 1.1ins
Sunniest month: June 10.6hrs
Coldest month: January -9°C 15.8°F
Wettest month: July 73mm 2.9ins
Map showing location of Arzamas (55.39485, 43.83992) Arzamas map pin © Google

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