September weather forecastLitchfield, NH
September
Weather in September
September, the first month of the autumn in Litchfield, is also an agreeable month, with an average temperature fluctuating between 72.5°F (22.5°C) and 53.8°F (12.1°C).Temperature
The beginning of September brings a slight decrease in the average high-temperature, transitioning from a warm 80.2°F (26.8°C) in August to a pleasant 72.5°F (22.5°C). Litchfield encounters a steady low-temperature average of 53.8°F (12.1°C) throughout the month of September.Humidity
The average relative humidity in September is 77%.Rainfall
September is the month with the least rainfall. Rain falls for 7 days and accumulates 0.28" (7mm) of precipitation.Snowfall
In Litchfield, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:11 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:28 pm EDT.
Sunshine
In Litchfield, New Hampshire, the average sunshine in September is 8.4h.UV index
In Litchfield, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Litchfield, NH
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in September: 53.8°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in September
Litchfield, 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
Litchfield, NH
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Litchfield, NH
- Average humidity in September: 77%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (71%).
Average rainfall in September
Litchfield, NH
- Average rainfall in September: 0.28"
The wettest month (with the highest rainfall) is November (0.79").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in September
Litchfield, NH
- Average rainfall days in September: 7 days
The month with the highest number of rainy days is June (10.4 days).
The month with the least rainy days is January (3.5 days).
Average snowfall in September
Litchfield, NH
- Average snowfall in September: 0"
The months with the highest snowfall are February and December (1.26").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Litchfield, NH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Litchfield, NH
- Average daylight in September: 12h and 30min
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 6min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Litchfield, NH
- Average sunshine days in September: 21.6 days
The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is July (17.3 days).
Average UV index in September
Litchfield, NH
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Litchfield, NH
- Average cloud cover in September: 37
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Litchfield, NH
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August, September and October (5mi).
