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
Essex observes a small decrease in the average high-temperature with the arrival of September, falling from August's moderately hot 75°F (23.9°C) to an agreeable 69.1°F (20.6°C). In September, Essex experiences an average nighttime temperature of 58.6°F (14.8°C).Humidity
In September, the average relative humidity is 77%.Rainfall
In Essex, Massachusetts, during September, the rain falls for 9.5 days and regularly aggregates up to 0.63" (16mm) of precipitation. In Essex, during the entire year, the rain falls for 113.7 days and collects up to 9.69" (246mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:08 am and sunset at 7:17 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 in Essex is 8.6h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Essex have in September?
What is the UV index intensity in September?
Average temperature in September
Essex, MA
- Average high temperature in September: 69.1°F
The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in September: 58.6°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).
Average pressure in September
Essex, 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 (29.92"Hg).
Average wind speed in September
Essex, MA
- Average wind speed in September: 8.9mph
The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).
Average humidity in September
Essex, MA
- Average humidity in September: 77%
The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is November (73%).
Average rainfall in September
Essex, MA
- Average rainfall in September: 0.63"
The wettest month (with the highest rainfall) is July (1.1").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in September
Essex, MA
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is January (6.4 days).
Average snowfall in September
Essex, MA
- Average snowfall in September: 0"
The month with the highest snowfall is March (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Essex, MA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.6 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
Essex, MA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
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 48min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in September
Essex, MA
- Average sunshine days in September: 18.7 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (16 days).
Average UV index in September
Essex, 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
Essex, MA
- Average cloud cover in September: 32
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Essex, 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).
Essex, Massachusetts, USA
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