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Normal weather for Niagara Falls in September

It's warm in September in Niagara Falls with an average temperature of 24°C. Temperatures this month range from a low of 18°C to a high of 27°C. At night, you can expect temperatures between 11°C and 18°C.

In September, there is an average of 60 mm of precipitation, spread over 9 days. The wind speed is around 4 Bft, mostly coming from the South.

The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.

Niagara Falls in September

London
Temperature Average Temperature
24°C 20°C
Sun High Temp
27°C 22°C
Sun Low Temp
18°C 17°C
Rain Total Precipitation
60 mm 44 mm
Rain Rainy Days
9 days 8 days

Curious about the climate in other parts of Canada? Check out the weather and climate in places like Vancouver, Toronto, Lake Louise, or have a look at other destinations in Canada.

Start of September

The month of September starts in Niagara Falls with warm temperatures, averaging around 26°C during the day and nights close to 17°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.

Mid-September

By mid-September, the average daytime temperature drops to around 24°C, with nights close to 14°C. There might be a few showers during this period, but plenty of dry days with sunshine too.

End of September

By the end of September, the average daytime temperature in Niagara Falls will be around 23°C, with nights close to 13°C. A shower might show up, but overall the weather will be dry and sunny.

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Is September a good time to visit Niagara Falls?

Want nice weather? Then September is a great time to be in Niagara Falls. You’ll have pleasant temperatures and not too much rain this month.

Temperature records for Niagara Falls in September

With 33°C, Niagara Falls hit the highest temperature in the last 10 years in September 2017. The lowest daytime temperature in this month was 12°C in 2015. The extreme night temperatures ranged from a low of 3°C to a high of 25°C.

Check out the climate of Niagara Falls for all months and discover the best travel time

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Daily Temperature in September in Niagara Falls

This chart shows the average daily temperatures, both day and night, for each day in September in Niagara Falls, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.

Daily Temperature in September in Niagara Falls

Daily Precipitation in September in Niagara Falls

The chart below shows the average daily precipitation in September for Niagara Falls, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.

A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 9 days of rain in Niagara Falls.

Daily Precipitation in September in Niagara Falls

Daily UV Index in September in Niagara Falls

This chart shows the average daily UV index in September in Niagara Falls, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Daily UV Index in September in Niagara Falls

Temperature in September in Niagara Falls Over the Years

This chart shows the average temperature in September in Niagara Falls, measured in degrees Celsius, over the past years.

Temperature in September in Niagara Falls Over the Years

Total Precipitation in September in Niagara Falls Over the Years

This chart shows the average precipitation in September in Niagara Falls, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.

Precipitation in September in Niagara Falls Over the Years

Daily climate in September for Niagara Falls

Click on a specific day in September for detailed info on the typical weather on that day in Niagara Falls. Check out the historical temperatures and precipitation over the past 10 years on this day.

Weather experiences in September in Niagara Falls

Have you been to Niagara Falls in September?

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Average Weather in Niagara Falls by Month

Click on a month below to see detailed weather info for Niagara Falls. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.


Or check out the climate of Niagara Falls for all months at once

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