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Weather in Lawrence County, Pennsylvania for September 2026

Your guide to Lawrence County weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Lawrence County at the beginning of September is 21 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 23.1 °F by the end of September.

  • Rain 🌧️

  • Lawrence County experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 195.7 mm.

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Average dry days
24
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
23°/12°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Lawrence County Weather September

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Temperatures trend during September in Lawrence County

See the weather trend as well as the moving average line

September weather in Lawrence County day by day

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Date Weather Temperatures Rain UV More
Sept. 1 Overcast
Overcast
22° /10° 0 mm 5
Sept. 2 Cloudy
Cloudy
22° /12° 0 mm 5
Sept. 3 Cloudy
Cloudy
24° /12° 0 mm 5
Sept. 4 Moderate or heavy rain shower
Moderate or heavy rain shower
18° /14° 41.7 mm 4
Sept. 5 Fog
Fog
27° /4° 0 mm 6
Sept. 6 Light rain shower
Light rain shower
17° /14° 58.3 mm 4
Sept. 7 Fog
Fog
17° /10° 0 mm 4
Sept. 8 Overcast
Overcast
19° /6° 0 mm 4
Sept. 9 Sunny
Sunny
24° /7° 0 mm 6
Sept. 10 Partly cloudy
Partly cloudy
24° /9° 0 mm 6
Sept. 11 Cloudy
Cloudy
22° /13° 0 mm 5
Sept. 12 Fog
Fog
26° /10° 0 mm 6
Sept. 13 Mist
Mist
25° /13° 0 mm 6
Sept. 14 Mist
Mist
29° /12° 0 mm 6
Sept. 15 Cloudy
Cloudy
27° /14° 0 mm 6
Sept. 16 Overcast
Overcast
25° /14° 0 mm 6
Sept. 17 Overcast
Overcast
23° /14° 0 mm 5
Sept. 18 Cloudy
Cloudy
26° /14° 0 mm 6
Sept. 19 Fog
Fog
25° /13° 0 mm 6
Sept. 20 Partly cloudy
Partly cloudy
23° /12° 0 mm 6
Sept. 21 Overcast
Overcast
24° /15° 0 mm 5
Sept. 22 Patchy rain possible
Patchy rain possible
26° /15° 3.3 mm 6
Sept. 23 Moderate or heavy rain shower
Moderate or heavy rain shower
21° /16° 67.6 mm 5
Sept. 24 Light rain shower
Light rain shower
21° /18° 15.8 mm 5
Sept. 25 Light rain
Light rain
21° /15° 9 mm 5
Sept. 26 Fog
Fog
23° /13° 0 mm 5
Sept. 27 Fog
Fog
23° /10° 0 mm 5
Sept. 28 Fog
Fog
26° /14° 0 mm 6
Sept. 29 Fog
Fog
21° /10° 0 mm 5
Sept. 30 Partly cloudy
Partly cloudy
27° /14° 0 mm 7
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Important Notice
Our weather forecast for Lawrence County in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Lawrence County forecast closer to your planned date for the most up-to-date weather information.

Lawrence County in September - FAQ

What are the expected maximum and minimum temperatures in Lawrence County during September?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Lawrence County during September?
Significant rainfall exceeding 195.7 mm is expected in Lawrence County during September, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Lawrence County during September?
The average wind speed in Lawrence County during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Lawrence County

Explore the daily rainfall trends and prepare for Lawrence Countys September weather 💧

UV exposure in Lawrence County during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is Lawrence County?

Get accurate weather forecasts for Lawrence County, located at latitude 40.9 and longitude -80.355. Stay updated with localized weather information tailored for Lawrence County.

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