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
In East Falmouth, the average high-temperature in September slightly decreases from a moderately hot 73.9°F (23.3°C) in August to an agreeable 68.4°F (20.2°C). Recording a slight drop from the daily maximum, East Falmouth notes an average low temperature of 62.4°F (16.9°C) in the month of September.Humidity
In September, the average relative humidity is 79%.Rainfall
The months with the least rainfall are July through September Rain falls for 4.6 days and accumulates 0.31" (8mm) of rain.Snowfall
April through November are months without snowfall.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 6:09 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 6:25 pm EDT.
Sunshine
In East Falmouth, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In September, a regular UV index of 5 translates into these guidelines:
Take precautions - Protection against sun damage is advised. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for East Falmouth in September?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does East Falmouth have in September?
How high is the UV index in September?
Average temperature in September
East Falmouth, MA
- Average high temperature in September: 68.4°F
The warmest month (with the highest average high temperature) is August (73.9°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in September: 62.4°F
The month with the highest average low temperature is August (68.5°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in September
East Falmouth, MA
- 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 (29.93"Hg).
Average wind speed in September
East Falmouth, MA
- Average wind speed in September: 11.8mph
The windiest month (with the highest average wind speed) is January (15.3mph).
The calmest months (with the lowest average wind speed) are July and August (10.2mph).
Average humidity in September
East Falmouth, MA
- Average humidity in September: 79%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is November (74%).
Average rainfall in September
East Falmouth, MA
- Average rainfall in September: 0.31"
The wettest month (with the highest rainfall) is October (0.71").
The driest months (with the least rainfall) are July, August and September (0.31").
Average rainfall days in September
East Falmouth, MA
- Average rainfall days in September: 4.6 days
The month with the highest number of rainy days is July (7.7 days).
The month with the least rainy days is September (4.6 days).
Average snowfall in September
East Falmouth, MA
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
East Falmouth, MA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
East Falmouth, MA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).
Average sunshine days in September
East Falmouth, MA
- Average sunshine days in September: 23.9 days
The month with the most sunshine days is September (23.9 days).
The month with the least sunshine days is February (20.8 days).
Average UV index in September
East Falmouth, MA
- Average UV index in September: 5
The months with the highest UV index are 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
East Falmouth, MA
- Average cloud cover in September: 32
The months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
East Falmouth, 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).
East Falmouth, Massachusetts, USA
Weather forecast for your location
2. Allow the app to use your location