September weather forecast
Lopez, PA

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Weather in September

September, the first month of the autumn in Lopez, is also an agreeable month, with an average temperature ranging between max 71.4°F (21.9°C) and min 51.8°F (11°C).

Temperature

The onset of September entails a subtle temperature shift, as the average high-temperature eases from a warm 77.9°F (25.5°C) in August to an agreeable 71.4°F (21.9°C). In the month of September, the temperature generally rests at an average low of 51.8°F (11°C).

Humidity

In Lopez, Pennsylvania, the average relative humidity in September is 80%.

Rainfall

In Lopez, in September, it is raining for 13.8 days, with typically 2.13" (54mm) of accumulated precipitation. In Lopez, during the entire year, the rain falls for 166.2 days and collects up to 30.83" (783mm) of precipitation.

Snowfall

In Lopez, snow does not fall in June through September.

Daylight

In September, the average length of the day is 12h and 28min.
On the first day of September, sunrise is at 6:32 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:48 pm EDT.

Sunshine

In Lopez, the average sunshine in September is 8.6h.

UV index

In Lopez, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In September, a daily UV index of 3 turns into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

An average high-temperature, in September, in Lopez, is 71.4°F (21.9°C) and the average low-temperature is 51.8°F (11°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in July is computed to be 86°F (30°C).

What is the average humidity in September?

The average relative humidity in September in Lopez is 80%.

How much does it rain in September?

In Lopez, during September, the rain falls for 13.8 days and regularly aggregates up to 2.13" (54mm) of precipitation.

When it does not snow?

In Lopez, snow does not fall in June through September.

Does it snow in September?

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

What is the average length of the day in September?

In Lopez, the average day length in September is 12h and 28min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:32 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:48 pm EDT.

How many hours of sunshine does Lopez have in September?

In September, the average sunshine duration in Lopez, Pennsylvania, is 8.6h.

How high is the UV index in September?

In Lopez, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's 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
Lopez, PA

Average temperature in September - Lopez, PA
  • Average high temperature in September: 71.4°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (29.8°F).

  • Average low temperature in September: 51.8°F

The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

Average pressure in September
Lopez, PA

Average pressure in September - Lopez, PA
  • Average pressure in September: 30.07"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in September
Lopez, PA

Average wind speed in September - Lopez, PA
  • Average wind speed in September: 5.7mph

The windiest months (with the highest average wind speed) are March and April (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in September
Lopez, PA

Average humidity in September - Lopez, PA
  • Average humidity in September: 80%

The months with the highest relative humidity are February and December (84%).
The months with the lowest relative humidity are April, June and July (78%).

Average rainfall in September
Lopez, PA

Average rainfall in September - Lopez, PA
  • Average rainfall in September: 2.13"

The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is January (2.01").

Average rainfall days in September
Lopez, PA

Average rainfall days in September - Lopez, PA
  • Average rainfall days in September: 13.8 days

The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in September
Lopez, PA

Average snowfall in September - Lopez, PA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (8.66").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Lopez, PA

Average snowfall days in September - Lopez, PA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Lopez, PA

Average daylight in September / Average sunshine in September - Lopez, PA
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).

Average sunshine days in September
Lopez, PA

Average sunshine days in September - Lopez, PA
  • Average sunshine days in September: 13.5 days

The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is July (8.8 days).

Average UV index in September
Lopez, PA

Average UV index in September - Lopez, PA
  • Average UV index in September: 3

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in September
Lopez, PA

Average cloud cover in September - Lopez, PA
  • Average cloud cover in September: 42

The months with the most cloud cover are February and December (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 37).

Average visibility in September
Lopez, PA

Average visibility in September - Lopez, PA
  • Average visibility in September: 5mi

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

Lopez, Pennsylvania, USA

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