Contents
Weather in September
Temperature
As September commences in Niagara Falls, the average high-temperature subtly reduces, transitioning from a moderately hot 79.3°F (26.3°C) in August to a pleasant 72.1°F (22.3°C). Niagara Falls's average low-temperature in September is measured at a fresh 51.1°F (10.6°C).Rainfall
In Niagara Falls, in September, during 10.7 rainfall days, 3.35" (85mm) of precipitation is typically 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 September, the average length of the day is 12h and 29min.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.
Sunshine
In Niagara Falls, 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 threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 6 in September translates into the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Niagara Falls have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Niagara Falls have in September?
What is the UV index reading in September?
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).
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").
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).
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").
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).
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).
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).
Niagara Falls, New York, USA
Weather forecast for your location
2. Allow the app to use your location