Northampton County (Easton)
September
Weather in Northampton County, Pennsylvania for September 2027
Your guide to Northampton County weather in September - trends and predictions
In general, the average temperature in Northampton County at the beginning of September is 25.5 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.8 °C by the end of September.
Northampton County experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 145.8 mm.
Is September a good time to visit Northampton County? check out the best time to travel to Northampton County page.
✨ Is September a good time to visit Northampton County? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
20
Dry days
10
Rainy days
0
Snow days
24°/14°
Temperatures
15 km/h
Avg max wind
76 %
Avg humidity
Northampton County Weather September
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Temperatures trend during September in Northampton County
See the weather trend as well as the moving average line
September weather in Northampton County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Patchy rain possible | 28° /17° | 2 mm | 4 | |
| Sept. 2 | Patchy rain possible | 23° /16° | 1.2 mm | 4 | |
| Sept. 3 |  Moderate rain | 25° /13° | 10 mm | 4 | |
| Sept. 4 | Patchy rain possible | 26° /14° | 2.2 mm | 7 | |
| Sept. 5 |  Light rain | 27° /16° | 9.9 mm | 6 | |
| Sept. 6 | Patchy rain possible | 26° /15° | 1.3 mm | 6 | |
| Sept. 7 | Moderate rain | 23° /12° | 13.5 mm | 6 | |
| Sept. 8 |  Sunny | 24° /9° | 0 mm | 6 | |
| Sept. 9 |  Partly cloudy | 25° /11° | 0.1 mm | 5 | |
| Sept. 10 | Sunny | 25° /15° | 0.4 mm | 5 | |
| Sept. 11 | Partly cloudy | 26° /14° | 0 mm | 6 | |
| Sept. 12 | Sunny | 26° /13° | 0 mm | 6 | |
| Sept. 13 | Moderate rain | 25° /15° | 12.7 mm | 5 | |
| Sept. 14 | Partly cloudy | 26° /14° | 0 mm | 7 | |
| Sept. 15 | Patchy rain possible | 24° /13° | 0 mm | 6 | |
| Sept. 16 |  Overcast | 25° /12° | 0 mm | 5 | |
| Sept. 17 | Patchy rain possible | 24° /15° | 2 mm | 4 | |
| Sept. 18 | Overcast | 24° /16° | 0 mm | 5 | |
| Sept. 19 | Overcast | 24° /15° | 0 mm | 5 | |
| Sept. 20 | Light rain | 22° /14° | 6.2 mm | 4 | |
| Sept. 21 | Patchy rain possible | 22° /13° | 0.7 mm | 4 | |
| Sept. 22 | Patchy rain possible | 21° /13° | 1.3 mm | 4 | |
| Sept. 23 | Light rain | 20° /13° | 4.5 mm | 4 | |
| Sept. 24 | Light rain | 21° /13° | 9 mm | 4 | |
| Sept. 25 | Moderate rain | 21° /14° | 24.8 mm | 3 | |
| Sept. 26 | Moderate rain | 21° /15° | 13.7 mm | 4 | |
| Sept. 27 |  Moderate or heavy rain shower | 20° /14° | 8.5 mm | 4 | |
| Sept. 28 |  Heavy rain at times | 20° /15° | 20.9 mm | 3 | |
| Sept. 29 | Patchy rain possible | 21° /14° | 0.8 mm | 4 | |
| Sept. 30 | Overcast | 22° /14° | 0 mm | 3 | |
| Next | |||||
Important Notice
Our weather forecast for Northampton 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 Northampton County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Northampton County in September - FAQ
What are the expected maximum and minimum temperatures in Northampton County during September?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Northampton County during September?
Significant rainfall exceeding 145.8 mm is expected in Northampton County during September, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Northampton County during September?
The average wind speed in Northampton County during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Northampton County
Explore the daily rainfall trends and prepare for Northampton Countys September weather 💧
Typically, Northampton County has 10 rainy days in September with a total of 145.8 mm of rainfall.
UV exposure in Northampton County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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