September weather forecast
Curtis Bay, MD

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Weather in September

The first month of the autumn, September, is still a warm month in Curtis Bay, Maryland, with an average temperature fluctuating between 76.8°F (24.9°C) and 62.4°F (16.9°C).

Temperature

September indicates a minor shift in the average high-temperature, from August's moderately hot 82.9°F (28.3°C) to a still warm 76.8°F (24.9°C). During September nights, Curtis Bay records an average temperature of 62.4°F (16.9°C).

Humidity

The average relative humidity in September is 75%.

Rainfall

The month with the least rainfall in Curtis Bay is September, when the rain falls for 6 days and typically collects 0.24" (6mm) of precipitation.

Snowfall

April through October are months without snowfall in Curtis Bay.

Daylight

In Curtis Bay, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:35 am and sunset at 7:36 pm. On the last day of September, sunrise is at 7:02 am and sunset at 6:50 pm EDT.

Sunshine

In Curtis Bay, the average sunshine in September is 9.2h.

UV index

In September, the average daily maximum UV index in Curtis Bay is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The average daily UV index of 5 in September transforms into the following instructions:
Make use of precautions - It is urged to ward off sun damage. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
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Frequently asked questions

What are the temperatures in Curtis Bay in September?

In September, in Curtis Bay, the average high-temperature is 76.8°F (24.9°C), and the average low-temperature is 62.4°F (16.9°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is estimated at 89.6°F (32°C).

What is the average humidity in September in Curtis Bay?

The average relative humidity in September in Curtis Bay is 75%.

What is the driest month in Curtis Bay?

September is the month with the least rainfall. Rain falls for 6 days and accumulates 0.24" (6mm) of precipitation.

How much does it rain in Curtis Bay in September?

In Curtis Bay, Maryland, during September, the rain falls for 6 days and regularly aggregates up to 0.24" (6mm) of precipitation.

When it does not snow in Curtis Bay?

In Curtis Bay, Maryland, snow does not fall in April through October.

What is the average length of the day in September in Curtis Bay?

In Curtis Bay, the average day length in September is 12h and 26min.

What time are sunrise and sunset in September in Curtis Bay?

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 7:02 am and sunset at 6:50 pm EDT.

How many hours of sunshine does Curtis Bay have in September?

In Curtis Bay, the average sunshine duration in September is 9.2h.

What is the UV index intensity in September in Curtis Bay?

In September, the average daily maximum UV index in Curtis Bay, Maryland, is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Curtis Bay, MD

Average temperature in September - Curtis Bay, MD
  • Average high temperature in September: 76.8°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in September: 62.4°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

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Average pressure in September
Curtis Bay, MD

Average pressure in September - Curtis Bay, 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).

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Average wind speed in September
Curtis Bay, MD

Average wind speed in September - Curtis Bay, MD
  • Average wind speed in September: 6.8mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in September
Curtis Bay, MD

Average humidity in September - Curtis Bay, MD
  • Average humidity in September: 75%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in September
Curtis Bay, MD

Average rainfall in September - Curtis Bay, MD
  • Average rainfall in September: 0.24"

The wettest month (with the highest rainfall) is August (1.06").
The driest month (with the least rainfall) is September (0.24").

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Average rainfall days in September
Curtis Bay, MD

Average rainfall days in September - Curtis Bay, MD
  • Average rainfall days in September: 6 days

The month with the highest number of rainy days is July (10.3 days).
The month with the least rainy days is November (4.1 days).

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Average snowfall in September
Curtis Bay, MD

Average snowfall in September - Curtis Bay, MD
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Curtis Bay, MD

Average snowfall days in September - Curtis Bay, MD
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Curtis Bay, MD

Average daylight in September / Average sunshine in September - Curtis Bay, 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 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in September
Curtis Bay, MD

Average sunshine days in September - Curtis Bay, MD
  • Average sunshine days in September: 21.5 days

The month with the most sunshine days is January (24.7 days).
The month with the least sunshine days is July (16.9 days).

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Average UV index in September
Curtis Bay, MD

Average UV index in September - Curtis Bay, 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).

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Average cloud cover in September
Curtis Bay, MD

Average cloud cover in September - Curtis Bay, MD
  • Average cloud cover in September: 34

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 29).

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Average visibility in September
Curtis Bay, MD

Average visibility in September - Curtis Bay, 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).

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Curtis Bay, Maryland, USA

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