September weather forecastHinsdale, NH
September
Weather in September
September, the first month of the autumn in Hinsdale, is still a pleasant month, with temperature in the range of an average high of 71.1°F (21.7°C) and an average low of 51.3°F (10.7°C).Temperature
Hinsdale's September weather features a light decline in high-temperatures, reducing from a moderately hot 79°F (26.1°C) in August to a pleasant 71.1°F (21.7°C). During September, the temperature in Hinsdale is averaged to a low of 51.3°F (10.7°C) at night.Humidity
In September, the average relative humidity in Hinsdale is 78%.Rainfall
In Hinsdale, during September, the rain falls for 10.5 days and regularly aggregates up to 1.65" (42mm) of precipitation. Throughout the year, in Hinsdale, there are 141.4 rainfall days, and 24.45" (621mm) of precipitation is accumulated.Snowfall
In Hinsdale, 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 the month, sunrise is at 6:15 am and sunset at 7:24 pm. On the last day of September, sunrise is at 6:46 am and sunset at 6:32 pm EDT.
Sunshine
In Hinsdale, New Hampshire, the average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September in Hinsdale is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 4 during September translates into these guidelines:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hinsdale, NH
- Average high temperature in September: 71.1°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in September: 51.3°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in September
Hinsdale, NH
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Hinsdale, NH
- Average wind speed in September: 5.3mph
The windiest months (with the highest average wind speed) are February and March (7.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Hinsdale, NH
- Average humidity in September: 78%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Hinsdale, NH
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is October (2.6").
The driest month (with the least rainfall) is August (1.57").
Average rainfall days in September
Hinsdale, NH
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in September
Hinsdale, NH
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.3").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Hinsdale, NH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hinsdale, 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 48min
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
Hinsdale, NH
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is January (16.9 days).
The month with the least sunshine days is April (12.7 days).
Average UV index in September
Hinsdale, NH
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Hinsdale, NH
- Average cloud cover in September: 36
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Hinsdale, NH
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).





