September weather forecast
Niagara Falls, NY

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

Weather in September

September makes a smooth transition from summer to fall, with temperatures starting to dwindle. From the torrid summer highs, the month experiences a noticeable decline in temperatures. The city encounters a high of 72.1°F (22.3°C) and a low of 51°F (10.6°C). This weather modulation does not, however, undermine the city's beauty. On the contrary, the city dons a colorful autumnal palette with leaves changing their hues, offering a captivating sight to experience.

Temperature

September reveals a small adjustment in temperature, transitioning from an average high of a moderately hot 79.3°F (26.3°C) in August to an agreeable 72.1°F (22.3°C). Nighttime temperatures consistently average a cool 51.1°F (10.6°C) during September.

Rainfall

In Niagara Falls, New York, during September, the rain falls for 10.7 days and regularly aggregates up to 3.35" (85mm) of precipitation. 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 in Niagara Falls.

Daylight

The average length of the day in September in Niagara Falls is 12h and 29min.
On the first day of September in Niagara Falls, sunrise is at 6:41 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 6:58 pm EDT.

Sunshine

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

UV index

The average daily maximum UV index in September in Niagara Falls is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average UV index of 6 in September transforms into this advice:
Deter overexposure. Protecting against the sun's effects is essential. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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Frequently asked questions

What are September temperatures in Niagara Falls?

In Niagara Falls, 72.1°F (22.3°C) is the average high-temperature and 51.1°F (10.6°C) is the average low-temperature during September.

How much does it rain in Niagara Falls in September?

In September, in Niagara Falls, New York, the rain falls for 10.7 days. Throughout September, 3.35" (85mm) of precipitation is accumulated.

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, in September, it doesn't snow. In October, it regularly snows.

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

In September, the average day length is 12h and 29min.

When is the sunrise / sunset in September in Niagara Falls?

On the first day of September, sunrise is at 6:41 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 6:58 pm EDT.

How long on average sun shines in September in Niagara Falls?

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

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

In Niagara Falls, New York, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
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 3min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • 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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Niagara Falls, New York, USA

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