September weather forecast
Donovans Pier, MD

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Weather in September

September, the first month of the autumn in Donovans Pier, is also a moderately hot month, with an average temperature ranging between min 64.6°F (18.1°C) and max 77°F (25°C).

Temperature

The start of September signals a gentle decrease in the average high-temperature, transitioning from a warm 83.3°F (28.5°C) in August to a still moderately hot 77°F (25°C). An average low-temperature of 64.6°F (18.1°C) is recorded in the month of September.

Humidity

In Donovans Pier, the average relative humidity in September is 75%.

Rainfall

In September, in Donovans Pier, the rain falls for 10.5 days. Throughout September, 0.63" (16mm) of precipitation is accumulated. Throughout the year, there are 120.4 rainfall days, and 10.47" (266mm) of precipitation is accumulated.

Snowfall

In Donovans Pier, snow does not fall in April through October.

Daylight

In Donovans Pier, the average length of the day in September is 12h and 26min.
On the first day of September, 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 6:50 pm EDT.

Sunshine

In September, the average sunshine is 9.2h.

UV index

In Donovans Pier, Maryland, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 5 in September translates into this advice:
Be vigilant - Suggestions to stave off sun damage are provided. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

What is the average September temperature?

Donovans Pier in September has an average high-temperature of 77°F (25°C) and an average low-temperature of 64.6°F (18.1°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 89.6°F (32°C).

What is the average humidity in September in Donovans Pier?

The average relative humidity in September is 75%.

How much does it rain in Donovans Pier in September?

In Donovans Pier, in September, it is raining for 10.5 days, with typically 0.63" (16mm) of accumulated precipitation.

When it does not snow?

In Donovans Pier, snow does not fall in April through October.

How many hours of daylight does Donovans Pier have in September?

In Donovans Pier, the average day length in September is 12h and 26min.

When are sunrise and sunset in September in Donovans Pier?

In September, on the first day of the month, 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 6:50 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 9.2h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Donovans Pier, MD

Average temperature in September - Donovans Pier, MD
  • Average high temperature in September: 77°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 (40.3°F).

  • Average low temperature in September: 64.6°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

Average pressure in September
Donovans Pier, MD

Average pressure in September - Donovans Pier, 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
Donovans Pier, MD

Average wind speed in September - Donovans Pier, MD
  • Average wind speed in September: 7.6mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

Average humidity in September
Donovans Pier, MD

Average humidity in September - Donovans Pier, MD
  • Average humidity in September: 75%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).

Average rainfall in September
Donovans Pier, MD

Average rainfall in September - Donovans Pier, MD
  • Average rainfall in September: 0.63"

The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in September
Donovans Pier, MD

Average rainfall days in September - Donovans Pier, MD
  • Average rainfall days in September: 10.5 days

The months with the highest number of rainy days are July and August (14.3 days).
The month with the least rainy days is November (5.3 days).

Average snowfall in September
Donovans Pier, MD

Average snowfall in September - Donovans Pier, MD
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Donovans Pier, MD

Average snowfall days in September - Donovans Pier, MD
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.5 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
Donovans Pier, MD

Average daylight in September / Average sunshine in September - Donovans Pier, 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
Donovans Pier, MD

Average sunshine days in September - Donovans Pier, MD
  • Average sunshine days in September: 17.4 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is August (13.8 days).

Average UV index in September
Donovans Pier, MD

Average UV index in September - Donovans Pier, 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 and December (UV index 2).

Average cloud cover in September
Donovans Pier, MD

Average cloud cover in September - Donovans Pier, MD
  • Average cloud cover in September: 33

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in September
Donovans Pier, MD

Average visibility in September - Donovans Pier, 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).

Donovans Pier, Maryland, USA

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