Concord (NH)
September
Weather in Concord, New Hampshire for September 2026
Your guide to Concord weather in September - trends and predictions
In general, the average temperature in Concord at the beginning of September is 22.6 °F. As the month progressed, temperatures tended to remain steady, reaching an average of 22.6 °F by the end of September.
Concord experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 302 mm.
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Temperatures
Rain 🌧️
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24
Dry days
6
Rainy days
0
Snow days
22°/11°
Temperatures
12 km/h
Avg max wind
74 %
Avg humidity
Concord Weather September
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Temperatures trend during September in Concord
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September weather in Concord day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Overcast | 23° /12° | 0 mm | 7 | |
| Sept. 2 |  Fog | 23° /13° | 0 mm | 5 | |
| Sept. 3 | Fog | 24° /11° | 0 mm | 7 | |
| Sept. 4 | Mist | 24° /9° | 0 mm | 5 | |
| Sept. 5 |  Moderate rain | 25° /14° | 16.1 mm | 4 | |
| Sept. 6 |  Moderate rain at times | 25° /17° | 8.5 mm | 4 | |
| Sept. 7 | Moderate rain | 14° /11° | 52.7 mm | 1 | |
| Sept. 8 | Mist | 22° /9° | 0 mm | 7 | |
| Sept. 9 |  Sunny | 22° /9° | 0 mm | 6 | |
| Sept. 10 | Mist | 21° /7° | 0 mm | 5 | |
| Sept. 11 | Mist | 24° /6° | 0 mm | 6 | |
| Sept. 12 | Sunny | 19° /11° | 0 mm | 6 | |
| Sept. 13 | Overcast | 21° /12° | 0 mm | 3 | |
| Sept. 14 | Fog | 26° /11° | 0 mm | 5 | |
| Sept. 15 |  Cloudy | 22° /13° | 0 mm | 6 | |
| Sept. 16 | Mist | 22° /12° | 0 mm | 5 | |
| Sept. 17 | Fog | 22° /7° | 0 mm | 3 | |
| Sept. 18 | Fog | 25° /10° | 0 mm | 4 | |
| Sept. 19 |  Partly cloudy | 22° /10° | 0 mm | 5 | |
| Sept. 20 | Sunny | 19° /6° | 0 mm | 5 | |
| Sept. 21 | Partly cloudy | 18° /5° | 0 mm | 5 | |
| Sept. 22 | Overcast | 21° /11° | 0 mm | 2 | |
| Sept. 23 | Cloudy | 24° /15° | 0 mm | 3 | |
| Sept. 24 |  Heavy rain | 17° /14° | 143 mm | 1 | |
| Sept. 25 | Moderate or heavy rain shower | 21° /13° | 53.8 mm | 1 | |
| Sept. 26 | Fog | 25° /17° | 27.9 mm | 3 | |
| Sept. 27 | Sunny | 23° /14° | 0 mm | 4 | |
| Sept. 28 | Overcast | 24° /16° | 0 mm | 3 | |
| Sept. 29 | Sunny | 26° /13° | 0 mm | 4 | |
| Sept. 30 | Overcast | 22° /13° | 0 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Concord 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 Concord forecast closer to your planned date for the most up-to-date weather information.
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Concord in September - FAQ
What are the expected maximum and minimum temperatures in Concord during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Concord during September?
Significant rainfall exceeding 302 mm is expected in Concord during September, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Concord during September?
The average wind speed in Concord during September is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Concord
Explore the daily rainfall trends and prepare for Concords September weather 💧
Typically, Concord has 6 rainy days in September with a total of 302 mm of rainfall.
UV exposure in Concord during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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