Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The start of September comes with a small reduction in the average high-temperature, subtly receding from a warm 78.4°F (25.8°C) in August to an agreeable 70.5°F (21.4°C). During the month of September, Contoocook's nighttime temperature lowers to an average of 50.9°F (10.5°C).Humidity
The average relative humidity in September is 79%.Rainfall
September is the month with the least rainfall. Rain falls for 11.8 days and accumulates 1.97" (50mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Contoocook is 12h and 29min.On the first day of September, sunrise is at 6:11 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:29 pm EDT.
Sunshine
The average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Exercise prevention - Protecting skin and eyes from harm is required. When the Sun is at its strongest around midday, find shade and limit exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
What are September temperatures in Contoocook?
What is the average humidity in September in Contoocook?
What is the driest month in Contoocook?
How many days does it rain in September in Contoocook?
When it does not snow in Contoocook?
Does it snow in Contoocook in September?
How many hours of daylight does Contoocook have in September?
When is the sunrise / sunset in September in Contoocook?
How many hours of sunshine does Contoocook have in September?
How high is the UV index in September in Contoocook?
Average temperature in September
Contoocook, NH
- Average high temperature in September: 70.5°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in September
Contoocook, 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 (29.92"Hg).
Average wind speed in September
Contoocook, NH
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in September
Contoocook, NH
- Average humidity in September: 79%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Contoocook, NH
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in September
Contoocook, NH
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is February (7.4 days).
Average snowfall in September
Contoocook, NH
- Average snowfall in September: 0"
The month with the highest snowfall is February (8.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Contoocook, NH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Contoocook, NH
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
Contoocook, NH
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is January (16.6 days).
The month with the least sunshine days is March (12.7 days).
Average UV index in September
Contoocook, NH
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Contoocook, NH
- Average cloud cover in September: 39
The months with the most cloud cover are February and March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Contoocook, NH
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Contoocook, New Hampshire, USA
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