September weather forecastRumney, NH
September
Weather in September
September, the first month of the autumn in Rumney, is also an agreeable month, with an average temperature varying between 68.2°F (20.1°C) and 48.6°F (9.2°C).Temperature
September ushers in a minor alteration in Rumney's climate, with the average high-temperature moving from August's warm 75°F (23.9°C) to a pleasant 68.2°F (20.1°C). In September, Rumney reports a consistent average low-temperature of 48.6°F (9.2°C) during the nights.Humidity
In Rumney, the average relative humidity in September is 80%.Rainfall
In Rumney, in September, it is raining for 9.6 days, with typically 0.83" (21mm) of accumulated precipitation. Throughout the year, there are 136.5 rainfall days, and 13.54" (344mm) of precipitation is accumulated.Snowfall
In Rumney, snow does not fall in June through September.Daylight
The average length of the day in September in Rumney is 12h and 29min.On the first day of September, sunrise is at 6:11 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:29 pm EDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
In Rumney, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rumney, NH
- Average high temperature in September: 68.2°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (23.9°F).
- Average low temperature in September: 48.6°F
The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).
Average pressure in September
Rumney, 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 (29.91"Hg).
Average wind speed in September
Rumney, NH
- Average wind speed in September: 4.8mph
The windiest months (with the highest average wind speed) are January, February and April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in September
Rumney, NH
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (76%).
Average rainfall in September
Rumney, NH
- Average rainfall in September: 0.83"
The wettest month (with the highest rainfall) is October (1.5").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in September
Rumney, NH
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is July (14.2 days).
The month with the least rainy days is November (8.2 days).
Average snowfall in September
Rumney, NH
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Rumney, NH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Rumney, NH
- Average daylight in September: 12h and 30min
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: 8h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in September
Rumney, NH
- Average sunshine days in September: 17 days
The month with the most sunshine days is September (17 days).
The month with the least sunshine days is February (10.8 days).
Average UV index in September
Rumney, NH
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Rumney, NH
- Average cloud cover in September: 41
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Rumney, NH
- Average visibility in September: 4mi
The months with the highest visibility are April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February, March and September (4mi).
