September weather forecast
Lockport, NY

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Weather in September

September signals the beginning of fall in Lockport. As compared to August, the month is mildly cooler resulting in more pleasant weather. Rainfall is once more frequent but overall conditions are drier than the peak summer months of July and August. The duration of daylight significantly reduces, indicating the fast approach of winter. Moving to October, temperatures drop further as autumn deepens.

Temperature

The start of September signals a gentle decrease in the average high-temperature, transitioning from a warm 76.8°F (24.9°C) in August to a pleasant 70.7°F (21.5°C). Lockport, during the month of September, experiences an average low-temperature of 58.1°F (14.5°C).

Humidity

August and September, with an average relative humidity of 75%, are the least humid months in Lockport, New York.

Rainfall

The month with the least rainfall is September, when the rain falls for 15.4 days and typically collects 1.89" (48mm) of precipitation.

Snowfall

June through September are months without snowfall in Lockport.

Daylight

In Lockport, the average length of the day in September is 12h and 29min.
On the first day of the month, sunrise is at 6:39 am and sunset at 7:49 pm. On the last day of September, sunrise is at 7:11 am and sunset at 6:57 pm EDT.

Sunshine

In September, the average sunshine in Lockport is 9.4h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 4 during September translates into the following guidance:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Boost your sun resistance with garments that are densely woven yet spacious.
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Frequently asked questions

What are September temperatures in Lockport?

The high-temperature in Lockport, New York, during September is 70.7°F (21.5°C) and the low-temperature is 58.1°F (14.5°C).

What are the least humid months in Lockport?

August and September, with an average relative humidity of 75%, are the least humid months.

What is the average humidity in September in Lockport?

The average relative humidity in September in Lockport is 75%.

What is the driest month in Lockport?

The month with the least rainfall in Lockport is September, when the rain falls for 15.4 days and typically collects 1.89" (48mm) of precipitation.

How much does it rain in Lockport in September?

In Lockport, in September, during 15.4 rainfall days, 1.89" (48mm) of precipitation is typically accumulated.

When it does not snow in Lockport?

June through September are months without snowfall in Lockport, New York.

Does it snow in Lockport in September?

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

How many hours of daylight does Lockport have in September?

The average day length in September in Lockport, New York, is 12h and 29min.

When is the sunrise / sunset in September in Lockport?

On the first day of September in Lockport, sunrise is at 6:39 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:57 pm EDT.

How many hours of sunshine does Lockport have in September?

In Lockport, the average sunshine duration in September is 9.4h.

What is the UV index intensity in September in Lockport?

The average daily maximum UV index in September in Lockport, New York, is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Lockport, NY

Average temperature in September - Lockport, NY
  • Average high temperature in September: 70.7°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in September: 58.1°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

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Average pressure in September
Lockport, NY

Average pressure in September - Lockport, NY
  • Average pressure in September: 30.04"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in September
Lockport, NY

Average wind speed in September - Lockport, NY
  • Average wind speed in September: 8.1mph

The windiest month (with the highest average wind speed) is January (12.1mph).
The calmest month (with the lowest average wind speed) is July (7mph).

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Average humidity in September
Lockport, NY

Average humidity in September - Lockport, NY
  • Average humidity in September: 75%

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are August and September (75%).

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Average rainfall in September
Lockport, NY

Average rainfall in September - Lockport, NY
  • Average rainfall in September: 1.89"

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in September
Lockport, NY

Average rainfall days in September - Lockport, NY
  • Average rainfall days in September: 15.4 days

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (9.2 days).

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Average snowfall in September
Lockport, NY

Average snowfall in September - Lockport, NY
  • Average snowfall in September: 0"

The month with the highest snowfall is February (6.65").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Lockport, NY

Average snowfall days in September - Lockport, NY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Lockport, NY

Average daylight in September / Average sunshine in September - Lockport, 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: 9h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).

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Average sunshine days in September
Lockport, NY

Average sunshine days in September - Lockport, NY
  • Average sunshine days in September: 12.5 days

The month with the most sunshine days is September (12.5 days).
The month with the least sunshine days is February (6 days).

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Average UV index in September
Lockport, NY

Average UV index in September - Lockport, NY
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in September
Lockport, NY

Average cloud cover in September - Lockport, NY
  • Average cloud cover in September: 31

The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in September
Lockport, NY

Average visibility in September - Lockport, NY
  • Average visibility in September: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

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Lockport, New York, USA

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