September weather forecast
McKenzies Discovery, MD

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Weather in September

September, the first month of the autumn in McKenzies Discovery, is also a moderately hot month, with an average temperature fluctuating between 76.8°F (24.9°C) and 60.4°F (15.8°C).

Temperature

As September arrives, McKenzies Discovery's weather displays a minor decrease in high-temperatures, transitioning from August's moderately hot 83.5°F (28.6°C) to a still warm 76.8°F (24.9°C). McKenzies Discovery records an average low-temperature of 60.4°F (15.8°C) throughout the month of September.

Humidity

In September, the average relative humidity in McKenzies Discovery is 75%.

Rainfall

In McKenzies Discovery, in September, during 13.1 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. In McKenzies Discovery, during the entire year, the rain falls for 165.5 days and collects up to 31.65" (804mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:36 am and sunset at 7:37 pm. On the last day of September, sunrise is at 7:03 am and sunset at 6:51 pm EDT.

Sunshine

In September, the average sunshine is 9.1h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: During September, 5 as the daily maximum UV index converts into the following advice:
Prioritize safety - Recommendations to avert sunburn are shared. Avoiding the Sun during its peak radiation time around midday is a healthy practice. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.

Frequently asked questions

What is the usual temperature for McKenzies Discovery in September?

An average high-temperature, in September, in McKenzies Discovery, is 76.8°F (24.9°C) and the average low-temperature is 60.4°F (15.8°C). The average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is estimated at 89.6°F (32°C).

What is the average humidity in September?

In September, the average relative humidity is 75%.

How much does it rain in September?

In McKenzies Discovery, in September, it is raining for 13.1 days, with typically 2.17" (55mm) of accumulated precipitation.

When it does not snow?

In McKenzies Discovery, snow does not fall in May through October.

What is the average length of the day in September?

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

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:36 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:51 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 9.1h.

How high is the UV index in September?

The average daily maximum UV index in September 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 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
McKenzies Discovery, MD

Average temperature in September - McKenzies Discovery, MD
  • Average high temperature in September: 76.8°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in September: 60.4°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

Average pressure in September
McKenzies Discovery, MD

Average pressure in September - McKenzies Discovery, MD
  • Average pressure in September: 30.05"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).

Average wind speed in September
McKenzies Discovery, MD

Average wind speed in September - McKenzies Discovery, MD
  • Average wind speed in September: 6.2mph

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in September
McKenzies Discovery, MD

Average humidity in September - McKenzies Discovery, MD
  • Average humidity in September: 75%

The months with the highest relative humidity are May and October (77%).
The month with the lowest relative humidity is July (71%).

Average rainfall in September
McKenzies Discovery, MD

Average rainfall in September - McKenzies Discovery, MD
  • Average rainfall in September: 2.17"

The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is January (2.05").

Average rainfall days in September
McKenzies Discovery, MD

Average rainfall days in September - McKenzies Discovery, MD
  • Average rainfall days in September: 13.1 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (9.7 days).

Average snowfall in September
McKenzies Discovery, MD

Average snowfall in September - McKenzies Discovery, MD
  • Average snowfall in September: 0"

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
McKenzies Discovery, MD

Average snowfall days in September - McKenzies Discovery, MD
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.9 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
McKenzies Discovery, MD

Average daylight in September / Average sunshine in September - McKenzies Discovery, 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
McKenzies Discovery, MD

Average sunshine days in September - McKenzies Discovery, MD
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.4 days).

Average UV index in September
McKenzies Discovery, MD

Average UV index in September - McKenzies Discovery, 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
McKenzies Discovery, MD

Average cloud cover in September - McKenzies Discovery, MD
  • Average cloud cover in September: 35

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
McKenzies Discovery, MD

Average visibility in September - McKenzies Discovery, 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).

McKenzies Discovery, Maryland, USA

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