September weather forecast
Lahaska, PA

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Weather in September

The first month of the autumn, September, is still a warm month in Lahaska, Pennsylvania, with an average temperature fluctuating between 57.9°F (14.4°C) and 76.1°F (24.5°C).

Temperature

As September begins, there is a minor decrease in the average high-temperature, softly falling from 82.8°F (28.2°C) in August to a still warm 76.1°F (24.5°C). In September, Lahaska's temperature tends to fall to an average low of 57.9°F (14.4°C) during the night.

Humidity

In Lahaska, the average relative humidity in September is 77%.

Rainfall

September is the month with the least rainfall. Rain falls for 12 days and accumulates 1.65" (42mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 6:28 am and sunset at 7:31 pm. On the last day of September, in Lahaska, sunrise is at 6:56 am and sunset at 6:43 pm EDT.

Sunshine

In Lahaska, the average sunshine in September is 8.8h.

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 ordinary individuals.
Note: A daily high UV index of 4 in September leads to these guidelines:
Undertake precautions - Guarding against sun damage is counselled. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Updated: Jun 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

In September, the average high-temperature and low-temperature in Lahaska are 76.1°F (24.5°C) and 57.9°F (14.4°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is computed to be 89.6°F (32°C).

What is the average humidity in September?

In Lahaska, the average relative humidity in September is 77%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 12 days and accumulates 1.65" (42mm) of precipitation.

How many days does it rain in September?

In Lahaska, during September, the rain falls for 12 days and regularly aggregates up to 1.65" (42mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

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

What is the average length of the day in September?

In Lahaska, the average day length in September is 12h and 27min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:28 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:43 pm EDT.

How many hours of sunshine does Lahaska have in September?

The average sunshine duration in September is 8.8h.

What is the UV index reading in September?

In Lahaska, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk 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
Lahaska, PA

Average temperature in September - Lahaska, PA
  • Average high temperature in September: 76.1°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in September: 57.9°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in September
Lahaska, PA

Average pressure in September - Lahaska, PA
  • Average pressure in September: 30.06"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
Lahaska, PA

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

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in September
Lahaska, PA

Average humidity in September - Lahaska, PA
  • Average humidity in September: 77%

The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (73%).

Average rainfall in September
Lahaska, PA

Average rainfall in September - Lahaska, PA
  • Average rainfall in September: 1.65"

The wettest month (with the highest rainfall) is July (2.87").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days in September
Lahaska, PA

Average rainfall days in September - Lahaska, PA
  • Average rainfall days in September: 12 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.7 days).

Average snowfall in September
Lahaska, PA

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

The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Lahaska, PA

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

The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Lahaska, 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 24min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in September
Lahaska, PA

Average sunshine days in September - Lahaska, PA
  • Average sunshine days in September: 15.6 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (11 days).

Average UV index in September
Lahaska, PA

Average UV index in September - Lahaska, PA
  • Average UV index in September: 4

The months with the highest UV index are May, June, July and August (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
Lahaska, PA

Average cloud cover in September - Lahaska, PA
  • Average cloud cover in September: 38

The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in September
Lahaska, PA

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

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

Lahaska, Pennsylvania, USA

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