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
Newton Upper Falls's September weather features a light decline in high-temperatures, reducing from a warm 81°F (27.2°C) in August to an agreeable 73°F (22.8°C). The average temperature during September nights dips to a mild 56.3°F (13.5°C).Humidity
In September, the average relative humidity in Newton Upper Falls is 76%.Rainfall
The month with the least rainfall in Newton Upper Falls is September, when the rain falls for 6.6 days and typically collects 0.24" (6mm) of precipitation.Snowfall
In Newton Upper Falls, snow does not fall in June through October.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 6:10 am and sunset at 7:18 pm. On the last day of September, in Newton Upper Falls, Massachusetts, sunrise is at 6:41 am and sunset at 6:27 pm EDT.
Sunshine
The average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September in Newton Upper Falls is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 4 in September leads to these recommendations:
Exercise prevention - Warding off sunburn is urged. The Sun's radiation is especially intense around midday; try to stay in shade during this period. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
What is the average September temperature in Newton Upper Falls?
What is the average humidity in September in Newton Upper Falls?
What is the driest month in Newton Upper Falls?
How much does it rain in Newton Upper Falls in September?
When it does not snow in Newton Upper Falls?
How many hours of daylight does Newton Upper Falls have in September?
What time are sunrise and sunset in September in Newton Upper Falls?
How many hours of sunshine does Newton Upper Falls have in September?
What is the UV index reading in September in Newton Upper Falls?
Average temperature in September
Newton Upper Falls, MA
- Average high temperature in September: 73°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in September
Newton Upper Falls, MA
- 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
Newton Upper Falls, MA
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in September
Newton Upper Falls, MA
- Average humidity in September: 76%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).
Average rainfall in September
Newton Upper Falls, MA
- Average rainfall in September: 0.24"
The wettest month (with the highest rainfall) is November (0.67").
The driest month (with the least rainfall) is September (0.24").
Average rainfall days in September
Newton Upper Falls, MA
- Average rainfall days in September: 6.6 days
The month with the highest number of rainy days is July (10.2 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in September
Newton Upper Falls, MA
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.91").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Newton Upper Falls, MA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Newton Upper Falls, MA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Newton Upper Falls, MA
- Average sunshine days in September: 21.4 days
The months with the most sunshine days are January and November (22.5 days).
The month with the least sunshine days is June (17.5 days).
Average UV index in September
Newton Upper Falls, MA
- 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, March, November and December (UV index 2).
Average cloud cover in September
Newton Upper Falls, MA
- Average cloud cover in September: 36
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Newton Upper Falls, MA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Newton Upper Falls, Massachusetts, USA
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