Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The start of September comes with a small reduction in the average high-temperature, subtly receding from 80.8°F (27.1°C) in August to a still warm 74.3°F (23.5°C). The nights of September in Liverpool, Pennsylvania, anticipate an average low-temperature of 54.3°F (12.4°C).Humidity
In September, the average relative humidity is 79%.Rainfall
In Liverpool, in September, it is raining for 11 days, with typically 1.02" (26mm) of accumulated precipitation. In Liverpool, during the entire year, the rain falls for 132.6 days and collects up to 14.53" (369mm) of precipitation.Snowfall
In Liverpool, snow does not fall in June through October.Daylight
In September, the average length of the day is 12h and 27min.On the first day of September in Liverpool, sunrise is at 6:35 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:51 pm EDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 4 suggests this advice:
Undertake protective steps - Preventing sun damage is advised. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Frequently asked questions
What is the usual temperature for Liverpool in September?
What is the average humidity in September in Liverpool?
How many days does it rain in September in Liverpool?
When it does not snow in Liverpool?
What is the average length of the day in September in Liverpool?
What time are sunrise and sunset in September in Liverpool?
How many hours of sunshine does Liverpool have in September?
What is the UV index intensity in September in Liverpool?
Average temperature in September
Liverpool, PA
- Average high temperature in September: 74.3°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in September: 54.3°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in September
Liverpool, PA
- Average pressure in September: 30.07"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Liverpool, PA
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Liverpool, PA
- Average humidity in September: 79%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are March and April (76%).
Average rainfall in September
Liverpool, PA
- Average rainfall in September: 1.02"
The wettest month (with the highest rainfall) is July (1.77").
The driest months (with the least rainfall) are February and November (0.87").
Average rainfall days in September
Liverpool, PA
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in September
Liverpool, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Liverpool, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Liverpool, PA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in September
Liverpool, PA
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is November (20 days).
The months with the least sunshine days are May and July (12.8 days).
Average UV index in September
Liverpool, PA
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Liverpool, PA
- Average cloud cover in September: 39
The months with the most cloud cover are February and December (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Liverpool, PA
- Average visibility in September: 5mi
The months with the highest visibility are March, April, June, July, November and December (6mi).
The months with the lowest visibility are January, February, May, August, September and October (5mi).
Liverpool, Pennsylvania, USA
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