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 sea temperature 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
The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's warm 73.9°F (23.3°C) to a pleasant 68.5°F (20.3°C). Woods Hole registers a subtle dip to an average of 62.4°F (16.9°C) during the nights of September.Humidity
The average relative humidity in September is 78%.Rainfall
In Woods Hole, during September, the rain falls for 5.2 days and regularly aggregates up to 0.39" (10mm) of precipitation. In Woods Hole, during the entire year, the rain falls for 70 days and collects up to 5.39" (137mm) of precipitation.Snowfall
April through November are months without snowfall.Ocean temperature
In September, the average ocean temperature is 65.8°F (18.8°C).Note: Swimming in water of 65.8°F (18.8°C) is not enjoyable for the majority of individuals. Breathing control becomes increasingly challenging as the temperature dips from 69.8°F (21°C) to 59°F (15°C).
Daylight
In Woods Hole, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:09 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:25 pm EDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
What is the ocean temperature in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Woods Hole have in September?
How high is the UV index in September?
Average temperature in September
Woods Hole, MA
- Average high temperature in September: 68.5°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
Woods Hole, MA
- Average pressure in September: 30.06"Hg
The months with the highest atmospheric pressure are September and November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Woods Hole, MA
- Average wind speed in September: 11.9mph
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
Woods Hole, MA
- Average humidity in September: 78%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is November (74%).
Average rainfall in September
Woods Hole, MA
- Average rainfall in September: 0.39"
The wettest month (with the highest rainfall) is October (0.71").
The driest months (with the least rainfall) are July and August (0.31").
Average rainfall days in September
Woods Hole, MA
- Average rainfall days in September: 5.2 days
The month with the highest number of rainy days is July (7.7 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in September
Woods Hole, 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
Woods Hole, 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 sea temperature in September
Woods Hole, MA
- Average sea temperature in September: 65.8°F
The best month for swimming (with the highest average sea temperature) is August (68.4°F).
The coldest month (with the lowest average sea temperature) is February (38.2°F).
Average daylight in September /
Average sunshine in September
Woods Hole, 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 month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in September
Woods Hole, MA
- Average sunshine days in September: 23.5 days
The month with the most sunshine days is September (23.5 days).
The month with the least sunshine days is February (20.8 days).
Average UV index in September
Woods Hole, 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
Woods Hole, 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
Woods Hole, 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).
Woods Hole, Massachusetts, USA
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