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
Essex records a mild change in average high-temperature during September, easing from 82.9°F (28.3°C) in August to a still moderately hot 76.6°F (24.8°C). The low-temperature averages to a comfortable 61.3°F (16.3°C) during the nights of September.Humidity
In September, the average relative humidity in Essex is 76%.Rainfall
In Essex, Maryland, in September, it is raining for 9.8 days, with typically 0.71" (18mm) of accumulated precipitation. Throughout the year, in Essex, there are 127.2 rainfall days, and 12.32" (313mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall.Ocean temperature
In Essex, in September, the average water temperature is 73°F (22.8°C).Note: Factor in your tolerance to cold, the sunshine, the wind, and the air's warmth, and a swim in 73°F (22.8°C) might be tempting. It is interesting to note that Olympians compete in 77°F (25°C) to 82.4°F (28°C) water temperatures.
Daylight
In Essex, the average length of the day in September is 12h and 26min.On the first day of September in Essex, sunrise is at 6:35 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:49 pm EDT.
Sunshine
In September, the average sunshine in Essex, Maryland, is 9.2h.UV index
In September, the average daily maximum UV index in Essex is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Caution! The Sun's UV intensity grows with reflections off sand and water.
Frequently asked questions
What is the temperature in September in Essex?
What is the average humidity in September in Essex?
How much does it rain in Essex in September?
When it does not snow in Essex?
How warm is the water in September in Essex?
What is the average length of the day in September in Essex?
When is the sunrise / sunset in September in Essex?
How long on average sun shines in September in Essex?
What is the UV index reading in September in Essex?
Average temperature in September
Essex, MD
- Average high temperature in September: 76.6°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (38.5°F).
- Average low temperature in September: 61.3°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in September
Essex, MD
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Essex, MD
- Average wind speed in September: 6.6mph
The windiest months (with the highest average wind speed) are January, February and March (9.3mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in September
Essex, MD
- Average humidity in September: 76%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are March, April and November (73%).
Average rainfall in September
Essex, MD
- Average rainfall in September: 0.71"
The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in September
Essex, MD
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is November (6.3 days).
Average snowfall in September
Essex, MD
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.75").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Essex, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Essex, MD
- Average sea temperature in September: 73.1°F
The best month for swimming (with the highest average sea temperature) is August (77.2°F).
The coldest month (with the lowest average sea temperature) is February (43.7°F).
Average daylight in September /
Average sunshine in September
Essex, MD
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in September
Essex, MD
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is July (12.9 days).
Average UV index in September
Essex, MD
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Essex, MD
- Average cloud cover in September: 34
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in September
Essex, MD
- 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, Maryland, USA
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