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
September in Lancaster implies a soft temperature shift, with average high-temperatures reducing from August's moderately hot 73.8°F (23.2°C) to an enjoyable 66.6°F (19.2°C). During September, the average low-temperature in Lancaster is a frosty 45.7°F (7.6°C).Humidity
In Lancaster, the average relative humidity in September is 81%.Rainfall
In September, in Lancaster, the rain falls for 12.5 days. Throughout September, 2.05" (52mm) of precipitation is accumulated. In Lancaster, during the entire year, the rain falls for 150.5 days and collects up to 27.99" (711mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 30min.On the first day of the month, sunrise is at 6:09 am and sunset at 7:22 pm. On the last day of September, sunrise is at 6:43 am and sunset at 6:28 pm EDT.
Sunshine
In Lancaster, the average sunshine in September is 7.9h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 3 in September translates into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. To avoid the Sun's strongest rays, limit exposure around the mid-day period. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
What are the temperatures in Lancaster in September?
What is the average humidity in September in Lancaster?
How many days does it rain in September in Lancaster?
When it does not snow in Lancaster?
Does it snow in Lancaster in September?
What is the average length of the day in September in Lancaster?
When is the sunrise / sunset in September in Lancaster?
How many hours of sunshine does Lancaster have in September?
How high is the UV index in September in Lancaster?
Average temperature in September
Lancaster, NH
- Average high temperature in September: 66.6°F
The warmest month (with the highest average high temperature) is July (75.6°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in September: 45.7°F
The month with the highest average low temperature is July (53.2°F).
The coldest month (with the lowest average low temperature) is January (9°F).
Average pressure in September
Lancaster, 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
Lancaster, NH
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Lancaster, NH
- Average humidity in September: 81%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is May (76%).
Average rainfall in September
Lancaster, NH
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is August (1.97").
Average rainfall days in September
Lancaster, NH
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (5 days).
Average snowfall in September
Lancaster, NH
- Average snowfall in September: 0"
The month with the highest snowfall is February (13.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Lancaster, NH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (21.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lancaster, NH
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The months with the least sunshine are January and February (Average sunshine: 2h and 36min).
Average sunshine days in September
Lancaster, NH
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is February (6.3 days).
Average UV index in September
Lancaster, 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
Lancaster, NH
- Average cloud cover in September: 44
The month with the most cloud cover is February (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in September
Lancaster, NH
- Average visibility in September: 4mi
The months with the highest visibility are May, June, July and November (5mi).
The months with the lowest visibility are January, February, March, April, August, September, October and December (4mi).
Lancaster, New Hampshire, USA
Weather forecast for your location
2. Allow the app to use your location
