September weather forecast
Niagara Falls, NY

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

Weather in September

September, the first month of the autumn in Niagara Falls, is still a pleasant month, with an average temperature fluctuating between 51.1°F (10.6°C) and 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 September, in Niagara Falls, the rain falls for 10.7 days. Throughout September, 3.35" (85mm) of precipitation is accumulated. Throughout the year, there are 158.7 rainfall days, and 34.96" (888mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In Niagara Falls, the average length of the day in September is 12h and 29min.
On the first day of the month, sunrise is at 6:40 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:12 am and sunset at 6:59 pm EDT.

Sunshine

The average sunshine in September is 6h.

UV index

In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 6 in September transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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 Niagara Falls, in September, it is raining for 10.7 days, with typically 3.35" (85mm) of accumulated precipitation.

When it does not snow in Niagara Falls?

May through September are months without snowfall in Niagara Falls, New York.

Does it snow in Niagara Falls in September?

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

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

In Niagara Falls, New York, the average day length in September is 12h and 29min.

What time are sunrise and sunset in September in Niagara Falls?

In September, on the first day of the month, sunrise is at 6:40 am and sunset at 7:51 pm. On the last day of the month, in Niagara Falls, sunrise is at 7:12 am and sunset at 6:59 pm EDT.

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

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

How high is the UV index in September in Niagara Falls?

In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average UV index

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").
The 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).
The 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: 12h and 29min

The month with the longest days is June (Average daylight: 15h and 19min).
The month with the shortest days is December (Average daylight: 9h and 4min).

  • Average sunshine in September: 6h

The 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

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

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