September weather forecastOcean Bluff, MA
September
Weather in September
September, the first month of the autumn in Ocean Bluff, is still a pleasant month, with an average temperature varying between 69.3°F (20.7°C) and 59.9°F (15.5°C).Temperature
The arrival of September is marked by a minor reduction in average high-temperature, sliding from a moderately hot 75.7°F (24.3°C) in August to a pleasant 69.3°F (20.7°C). An average low-temperature of 59.9°F (15.5°C) marks the nights throughout September.Humidity
The average relative humidity in September is 78%.Rainfall
In September, the rain falls for 10.1 days. Throughout September, 0.83" (21mm) of precipitation is accumulated. Throughout the year, there are 120.2 rainfall days, and 12.24" (311mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 6:08 am and sunset at 7:15 pm. On the last day of September, sunrise is at 6:39 am and sunset at 6:25 pm EDT.
Sunshine
In Ocean Bluff, the average sunshine in September is 8.6h.UV index
In Ocean Bluff, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The average daily UV index of 4 in September transforms into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. 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
Average temperature in September
Ocean Bluff, MA
- Average high temperature in September: 69.3°F
The warmest months (with the highest average high temperature) are July and August (75.7°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in September: 59.9°F
The months with the highest average low temperature are July and August (65.8°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in September
Ocean Bluff, 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
Ocean Bluff, MA
- Average wind speed in September: 9.4mph
The windiest month (with the highest average wind speed) is January (13mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).
Average humidity in September
Ocean Bluff, MA
- Average humidity in September: 78%
The months with the highest relative humidity are June and July (80%).
The months with the lowest relative humidity are March and November (74%).
Average rainfall in September
Ocean Bluff, MA
- Average rainfall in September: 0.83"
The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in September
Ocean Bluff, MA
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in September
Ocean Bluff, MA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Ocean Bluff, MA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ocean Bluff, MA
- Average daylight in September: 12h and 30min
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 12min).
- Average sunshine in September: 8h and 36min
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
Ocean Bluff, MA
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is December (18.9 days).
The month with the least sunshine days is July (15.7 days).
Average UV index in September
Ocean Bluff, MA
- Average UV index in September: 4
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
Ocean Bluff, MA
- Average cloud cover in September: 33
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Ocean Bluff, 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).
