September weather forecast
Elk Mills, MD

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Weather in September

The first month of the autumn, September, is still a warm month in Elk Mills, Maryland, with an average temperature varying between 75.2°F (24°C) and 58.1°F (14.5°C).

Temperature

September ushers in a minor alteration in Elk Mills's climate, with the average high-temperature moving from August's 81.3°F (27.4°C) to a still moderately hot 75.2°F (24°C). In Elk Mills, September nights witness a steady temperature drop to a refreshing 58.1°F (14.5°C).

Humidity

In Elk Mills, the average relative humidity in September is 80%.

Rainfall

In Elk Mills, in September, during 11.4 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. Throughout the year, there are 130.4 rainfall days, and 16.3" (414mm) of precipitation is accumulated.

Snowfall

In Elk Mills, snow does not fall in May through October.

Daylight

In Elk Mills, the average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 6:32 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:46 pm EDT.

Sunshine

In Elk Mills, the average sunshine in September is 8.9h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 4 during September, leads to the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Around midday, solar radiation is most harmful; hence, exposure should be limited. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

Elk Mills in September has an average high-temperature of 75.2°F (24°C) and an average low-temperature of 58.1°F (14.5°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in August is calculated to be 87.8°F (31°C).

What is the average humidity in September?

The average relative humidity in September is 80%.

How much does it rain in September?

In Elk Mills, in September, during 11.4 rainfall days, 1.1" (28mm) of precipitation is typically accumulated.

When it does not snow?

In Elk Mills, snow does not fall in May through October.

How many hours of daylight does Elk Mills have in September?

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

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:32 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:46 pm EDT.

How many hours of sunshine does Elk Mills have in September?

In Elk Mills, the average sunshine duration in September is 8.9h.

How high is the UV index in September?

In Elk Mills, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to 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
Elk Mills, MD

Average temperature in September - Elk Mills, MD
  • Average high temperature in September: 75.2°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in September: 58.1°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

Average pressure in September
Elk Mills, MD

Average pressure in September - Elk Mills, MD
  • Average pressure in September: 30.06"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
Elk Mills, MD

Average wind speed in September - Elk Mills, MD
  • Average wind speed in September: 5.8mph

The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in September
Elk Mills, MD

Average humidity in September - Elk Mills, MD
  • Average humidity in September: 80%

The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are January, March, April and November (76%).

Average rainfall in September
Elk Mills, MD

Average rainfall in September - Elk Mills, MD
  • Average rainfall in September: 1.1"

The wettest month (with the highest rainfall) is August (2.36").
The driest month (with the least rainfall) is January (0.91").

Average rainfall days in September
Elk Mills, MD

Average rainfall days in September - Elk Mills, MD
  • Average rainfall days in September: 11.4 days

The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is January (6 days).

Average snowfall in September
Elk Mills, MD

Average snowfall in September - Elk Mills, MD
  • Average snowfall in September: 0"

The month with the highest snowfall is March (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Elk Mills, MD

Average snowfall days in September - Elk Mills, MD
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.8 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
Elk Mills, MD

Average daylight in September / Average sunshine in September - Elk Mills, 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: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in September
Elk Mills, MD

Average sunshine days in September - Elk Mills, MD
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is June (13.2 days).

Average UV index in September
Elk Mills, MD

Average UV index in September - Elk Mills, MD
  • Average UV index in September: 4

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
Elk Mills, MD

Average cloud cover in September - Elk Mills, MD
  • Average cloud cover in September: 37

The months with the most cloud cover are February, March and May (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in September
Elk Mills, MD

Average visibility in September - Elk Mills, MD
  • Average visibility in September: 5mi

The months with the highest visibility are January, February, March, April, June, July, October, November and December (6mi).
The months with the lowest visibility are May, August and September (5mi).

Elk Mills, Maryland, USA

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