September weather forecast
Cockeysville, MD

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Weather in September

September marks the transition from the dog days of summer to the crisp, cooler weather of fall in Cockeysville. Although the temperature starts to drop, it remains comfortably warm. As rainfall is reduced and the clouds retreat, more sky is exposed, contributing to 9 hours of daily sunlight. The UV index starts its downslide, and the relatively clear skies, combined with a pleasant breeze, make outdoor activities enticing. September brings a contrast to the high pressure and windy conditions observed in the previous months.

Temperature

The arrival of September in Cockeysville is marked by a minor reduction in average high-temperature, sliding from 82.8°F in August to a still moderately hot 76.3°F. The average low-temperature during September nights is a refreshing 60.1°F.

Humidity

In Cockeysville, the average relative humidity in September is 77%.

Rainfall

The month with the least rainfall in Cockeysville is September, when the rain falls for 7.5 days and typically collects 0.43" of precipitation.

Snowfall

In Cockeysville, snow does not fall in May through October.

Daylight

In Cockeysville, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:34 am and sunset at 7:38 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:51 pm EDT.

Sunshine

The average sunshine in September is 9h.

UV index

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: A daily maximum UV index of 5 in September translates into the following instructions:
Act with care - The suggestion to avoid sunburn is emphasized. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
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FAQ

What is the usual temperature for Cockeysville in September?

The average high-temperature and low-temperature in Cockeysville during September are 76.3°F and 60.1°F respectively. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is estimated at 89.6°F.

What is the average humidity in September in Cockeysville?

In Cockeysville, Maryland, the average relative humidity in September is 77%.

What is the driest month in Cockeysville?

September is the month with the least rainfall. Rain falls for 7.5 days and accumulates 0.43" of precipitation.

How many days does it rain in September in Cockeysville?

In Cockeysville, Maryland, in September, it is raining for 7.5 days, with typically 0.43" of accumulated precipitation.

When it does not snow in Cockeysville?

In Cockeysville, snow does not fall in May through October.

What is the average length of the day in September in Cockeysville?

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

When are sunrise and sunset in September in Cockeysville?

In September, on the first day of the month, sunrise is at 6:34 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:51 pm EDT.

How long on average sun shines in September in Cockeysville?

In Cockeysville, the average sunshine duration in September is 9h.

What is the UV index reading in September in Cockeysville?

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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
Cockeysville, MD

Average temperature in September - Cockeysville, MD
  • Average high temperature in September: 76.3°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 (37.9°F).

  • Average low temperature in September: 60.1°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).

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Average pressure in September
Cockeysville, MD

Average pressure in September - Cockeysville, MD
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in September
Cockeysville, MD

Average wind speed in September - Cockeysville, MD
  • Average wind speed in September: 6.3mph

The windiest month (with the highest average wind speed) is March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity in September
Cockeysville, MD

Average humidity in September - Cockeysville, MD
  • Average humidity in September: 77%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in September
Cockeysville, MD

Average rainfall in September - Cockeysville, MD
  • Average rainfall in September: 0.43"

The wettest month (with the highest rainfall) is August (1.46").
The driest month (with the least rainfall) is September (0.43").

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Average rainfall days in September
Cockeysville, MD

Average rainfall days in September - Cockeysville, MD
  • Average rainfall days in September: 7.5 days

The month with the highest number of rainy days is July (12.6 days).
The month with the least rainy days is January (5.2 days).

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Average snowfall in September
Cockeysville, MD

Average snowfall in September - Cockeysville, MD
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.55").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Cockeysville, MD

Average snowfall days in September - Cockeysville, MD
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3.8 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
Cockeysville, MD

Average daylight in September / Average sunshine in September - Cockeysville, 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 24min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

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Average sunshine days in September
Cockeysville, MD

Average sunshine days in September - Cockeysville, MD
  • Average sunshine days in September: 20.1 days

The month with the most sunshine days is November (22.9 days).
The month with the least sunshine days is July (15.2 days).

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Average UV index in September
Cockeysville, MD

Average UV index in September - Cockeysville, 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).

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Average cloud cover in September
Cockeysville, MD

Average cloud cover in September - Cockeysville, MD
  • Average cloud cover in September: 36

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in September
Cockeysville, MD

Average visibility in September - Cockeysville, 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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Cockeysville, Maryland, USA

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