New Hampshire (North Conway)
September
Weather in New Hampshire for September 2027
Your guide to New Hampshire weather in September - trends and predictions
In general, the average temperature in New Hampshire at the beginning of September is 19.6 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 18.9 °F by the end of September.
New Hampshire experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 243.2 mm.
Is September a good time to visit New Hampshire? check out the best time to travel to New Hampshire page.
✨ Is September a good time to visit New Hampshire? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
20
Dry days
10
Rainy days
0
Snow days
19°/9°
Temperatures
11 km/h
Avg max wind
73 %
Avg humidity
New Hampshire Weather September
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What’s the Weather Like in New Hampshire This September?
Discover the average temperatures and weather trends across New Hampshire’s cities this September.
Temperatures trend during September in New Hampshire
See the weather trend as well as the moving average line
September weather in New Hampshire day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Partly cloudy | 21° /11° | 0.6 mm | 5 | |
| Sept. 2 |  Light rain | 19° /13° | 6.4 mm | 3 | |
| Sept. 3 |  Moderate rain | 21° /13° | 15 mm | 4 | |
| Sept. 4 |  Fog | 20° /13° | 0 mm | 5 | |
| Sept. 5 | Moderate rain | 18° /13° | 20.6 mm | 3 | |
| Sept. 6 |  Heavy rain | 20° /13° | 83.1 mm | 2 | |
| Sept. 7 |  Heavy rain at times | 18° /10° | 8.1 mm | 4 | |
| Sept. 8 | Light rain | 21° /11° | 5.5 mm | 4 | |
| Sept. 9 | Light rain | 17° /7° | 3 mm | 4 | |
| Sept. 10 | Moderate rain | 22° /10° | 10.4 mm | 5 | |
| Sept. 11 | Partly cloudy | 21° /8° | 0 mm | 6 | |
| Sept. 12 | Partly cloudy | 19° /5° | 0 mm | 6 | |
| Sept. 13 | Light rain | 18° /9° | 3.2 mm | 3 | |
| Sept. 14 | Fog | 19° /8° | 0 mm | 5 | |
| Sept. 15 | Fog | 19° /6° | 0 mm | 4 | |
| Sept. 16 |  Cloudy | 22° /11° | 0 mm | 3 | |
| Sept. 17 | Light rain | 21° /11° | 4.2 mm | 2 | |
| Sept. 18 | Partly cloudy | 23° /10° | 0.2 mm | 5 | |
| Sept. 19 | Partly cloudy | 18° /6° | 0 mm | 5 | |
| Sept. 20 | Light rain | 13° /5° | 3.7 mm | 3 | |
| Sept. 21 |  Sunny | 17° /6° | 0 mm | 4 | |
| Sept. 22 | Mist | 17° /7° | 0 mm | 3 | |
| Sept. 23 |  Overcast | 19° /9° | 0 mm | 3 | |
| Sept. 24 | Moderate rain | 17° /9° | 13.4 mm | 3 | |
| Sept. 25 | Heavy rain | 19° /9° | 41 mm | 1 | |
| Sept. 26 |  Patchy rain possible | 21° /13° | 1.5 mm | 3 | |
| Sept. 27 | Light rain | 17° /10° | 7.8 mm | 3 | |
| Sept. 28 | Moderate rain | 18° /12° | 11.6 mm | 2 | |
| Sept. 29 | Light rain | 21° /10° | 3.7 mm | 3 | |
| Sept. 30 | Sunny | 19° /10° | 0.3 mm | 3 | |
| Next | |||||
Important Notice
Our weather forecast for New Hampshire 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 New Hampshire forecast closer to your planned date for the most up-to-date weather information.
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New Hampshire in September - FAQ
What are the expected maximum and minimum temperatures in New Hampshire during September?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in New Hampshire during September?
Significant rainfall exceeding 243.2 mm is expected in New Hampshire during September, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in New Hampshire during September?
The average wind speed in New Hampshire during September is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in New Hampshire
Explore the daily rainfall trends and prepare for New Hampshires September weather 💧
Typically, New Hampshire has 10 rainy days in September with a total of 243.2 mm of rainfall.
UV exposure in New Hampshire during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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