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 transition to September results in a modest reduction in average high-temperature, moving from an agreeable 73°F (22.8°C) in August to an enjoyable 66.2°F (19°C). Whiteface's nighttime temperature in September falls to an average of 47.5°F (8.6°C).Humidity
The average relative humidity in September is 81%.Rainfall
The month with the least rainfall in Whiteface is September, when the rain falls for 9.2 days and typically collects 0.71" (18mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Whiteface is 12h and 30min.On the first day of September in Whiteface, sunrise is at 6:09 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:27 pm EDT.
Sunshine
In Whiteface, the average sunshine in September is 7.7h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 3 suggests these recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Whiteface in September?
What is the average humidity in September in Whiteface?
What is the driest month in Whiteface?
How many days does it rain in September in Whiteface?
When it does not snow in Whiteface?
Does it snow in Whiteface in September?
How many hours of daylight does Whiteface have in September?
When is the sunrise / sunset in September in Whiteface?
How long on average sun shines in September in Whiteface?
What is the UV index intensity in September in Whiteface?
Average temperature in September
Whiteface, NH
- Average high temperature in September: 66.2°F
The warmest month (with the highest average high temperature) is July (74.8°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in September: 47.5°F
The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is January (9.5°F).
Average pressure in September
Whiteface, 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
Whiteface, NH
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Whiteface, NH
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (78%).
Average rainfall in September
Whiteface, NH
- Average rainfall in September: 0.71"
The wettest month (with the highest rainfall) is April (1.57").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in September
Whiteface, NH
- Average rainfall days in September: 9.2 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is February (6.6 days).
Average snowfall in September
Whiteface, NH
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (6.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Whiteface, NH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (18.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Whiteface, NH
- Average daylight in September: 12h and 3min
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: 7h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in September
Whiteface, NH
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is February (10.7 days).
Average UV index in September
Whiteface, NH
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
Whiteface, NH
- Average cloud cover in September: 46
The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in September
Whiteface, NH
- Average visibility in September: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
Whiteface, New Hampshire, USA
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