September weather forecastSanbornton, NH
September
Weather in September
September, the first month of the autumn in Sanbornton, is also an agreeable month, with an average temperature ranging between max 69.8°F (21°C) and min 49.8°F (9.9°C).Temperature
September reveals a small adjustment in temperature, transitioning from an average high of a warm 77.9°F (25.5°C) in August to an agreeable 69.8°F (21°C). In Sanbornton, the September nights cool down to an average low of 49.8°F (9.9°C).Humidity
In September, the average relative humidity is 79%.Rainfall
September is the month with the least rainfall in Sanbornton. Rain falls for 10.9 days and accumulates 1.77" (45mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Sanbornton is 12h and 29min.On the first day of the month, sunrise is at 6:11 am and sunset at 7:21 pm. On the last day of September, sunrise is at 6:43 am and sunset at 6:28 pm EDT.
Sunshine
In September, the average sunshine is 8.1h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sanbornton, NH
- Average high temperature in September: 69.8°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in September: 49.8°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in September
Sanbornton, NH
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Sanbornton, NH
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is January (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Sanbornton, NH
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Sanbornton, NH
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in September
Sanbornton, NH
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is April (14.4 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in September
Sanbornton, NH
- Average snowfall in September: 0"
The month with the highest snowfall is February (10.63").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Sanbornton, NH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sanbornton, NH
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in September
Sanbornton, NH
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is March (12.8 days).
Average UV index in September
Sanbornton, NH
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Sanbornton, NH
- Average cloud cover in September: 40
The month with the most cloud cover is March (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Sanbornton, NH
- Average visibility in September: 4mi
The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).
