September weather forecastCanaan, NH
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Canaan, New Hampshire, with an average temperature fluctuating between 68.7°F (20.4°C) and 48.6°F (9.2°C).Temperature
Canaan, New Hampshire, in September undergoes a slight reduction in the average high-temperature, shifting from August's warm 76.5°F (24.7°C) to a pleasant 68.7°F (20.4°C). Throughout September, Canaan registers a consistent average low-temperature of 48.6°F (9.2°C).Humidity
In September, the average relative humidity is 80%.Rainfall
August and September are months with the least rain when the rain falls for 11.6 days and typically aggregates up to 1.97" (50mm) of rain.Snowfall
In Canaan, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 6:12 am and sunset at 7:23 pm. On the last day of September, sunrise is at 6:45 am and sunset at 6:30 pm EDT.
Sunshine
In Canaan, New Hampshire, the average sunshine in September is 8.3h.UV index
In Canaan, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 3 during September translates into these guidelines:
Take precautions - Protection against sunburn is recommended. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Canaan, NH
- Average high temperature in September: 68.7°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in September: 48.6°F
The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in September
Canaan, NH
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Canaan, NH
- Average wind speed in September: 5.1mph
The windiest months (with the highest average wind speed) are January, March and April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Canaan, NH
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (75%).
Average rainfall in September
Canaan, NH
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is October (3.27").
The driest months (with the least rainfall) are August and September (1.97").
Average rainfall days in September
Canaan, NH
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is June (16.4 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in September
Canaan, NH
- Average snowfall in September: 0"
The month with the highest snowfall is February (11.22").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Canaan, NH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Canaan, 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 18min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in September
Canaan, NH
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is February (10.4 days).
Average UV index in September
Canaan, NH
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in September
Canaan, NH
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Canaan, NH
- Average visibility in September: 4mi
The months with the highest visibility are April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February, March and September (4mi).
