September weather forecast and climate
Niagara Falls, NY

The glorious Niagara Falls in New York
The glorious Niagara Falls in New York

Weather in September

The first month of the autumn, September, is still a pleasant month in Niagara Falls, New York, with temperature in the range of an average low of 51.1°F (10.6°C) and an average high of 72.1°F (22.3°C).

Temperature

In September, the average high-temperature marginally drops, from a warm 79.3°F (26.3°C) in August, to a pleasant 72.1°F (22.3°C). The average low-temperature, in Niagara Falls, is 51.1°F (10.6°C).

Rainfall

In Niagara Falls, it is raining for 10.7 days, with typically 3.35" (85.1mm) of accumulated precipitation. Throughout the year, there are 158.7 rainfall days, and 34.97" (888.2mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In September, the average length of the day in Niagara Falls is 12.5h.

Sunshine

In September, the average sunshine in Niagara Falls is 6h.

UV index

The average daily maximum UV index in Niagara Falls, New York, is 6. A UV Index value of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Niagara Falls?

The average high-temperature, in September, in Niagara Falls, is 72.1°F (22.3°C), while the average low-temperature is 51.1°F (10.6°C).

How many days does it rain in September in Niagara Falls?

In September, in Niagara Falls, New York, the rain falls for 10.7 days. Throughout September, 3.35" (85.1mm) of precipitation is accumulated.

Does it snow in Niagara Falls in September?

In Niagara Falls, New York, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Niagara Falls?

In Niagara Falls, New York, snow does not fall in May through September.

What is the average length of the day in September in Niagara Falls?

In Niagara Falls, New York, the average length of the day in September is 12.5h.

How many hours of sunshine does Niagara Falls have in September?

In September, the average sunshine in Niagara Falls is 6h.

What is the UV index reading in September in Niagara Falls?

In September, the average daily maximum UV index in Niagara Falls, New York, is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from the exposure to the Sun's UV radiation.

Average temperature in September
Niagara Falls, NY

Average temperature in September - Niagara Falls, NY
  • Average high temperature in September: 72.1°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32.1°F).

  • Average low temperature in September: 51°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).

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Average rainfall in September
Niagara Falls, NY

Average rainfall in September - Niagara Falls, NY
  • Average rainfall in September: 3.4"

The wettest months (with the highest rainfall) are September and November (3.4").
The driest month (with the least rainfall) is February (2.2").

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Average rainfall days in September
Niagara Falls, NY

Average rainfall days in September - Niagara Falls, NY
  • Average rainfall days in September: 10.7 days

The month with the highest number of rainy days is January (19.2 days).
The month with the least rainy days is August (9.8 days).

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Average snowfall in September
Niagara Falls, NY

Average snowfall in September - Niagara Falls, NY
  • Average snowfall in September: 0"

The month with the highest snowfall is January (23.6").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Niagara Falls, NY

Average snowfall days in September - Niagara Falls, NY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (15 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Niagara Falls, NY

Average daylight in September / Average sunshine in September - Niagara Falls, NY
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in September: 6h

Months with the most sunshine are June and July (Average sunshine: 9h).
The month with the least sunshine is December (Average sunshine: 2h).

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Average UV index in September
Niagara Falls, NY

Average UV index in September - Niagara Falls, NY
  • Average UV index in September: 6

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January and December (UV index 1).

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