September weather forecast
Towson, MD

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Weather in September

September, the first month of the autumn in Towson, is still a warm month, with an average temperature ranging between min 60.1°F (15.6°C) and max 76.3°F (24.6°C).

Temperature

September is characterized by a slight reduction in average high-temperature, easing from 82.8°F (28.2°C) in August to a still moderately hot 76.3°F (24.6°C). An average low-temperature of 60.1°F (15.6°C) marks the nights throughout September.

Humidity

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

Rainfall

September is the month with the least rainfall. Rain falls for 7.5 days and accumulates 0.43" (11mm) of precipitation.

Snowfall

May through October are months without snowfall in Towson.

Daylight

In Towson, Maryland, 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, in Towson, sunrise is at 7:02 am and sunset at 6:50 pm EDT.

Sunshine

In Towson, the average sunshine in September is 9h.

UV index

In September, the average daily maximum UV index in Towson is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 5 during September translates into the following guidance:
Be vigilant - A duty to shield skin and eyes from injury exists. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
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Frequently asked questions

What is the average September temperature in Towson?

The high-temperature, in September, in Towson, records 76.3°F (24.6°C), while the low-temperature is 60.1°F (15.6°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is calculated to be 89.6°F (32°C).

What is the average humidity in September in Towson?

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

What is the driest month in Towson?

September is the month with the least rainfall in Towson. Rain falls for 7.5 days and accumulates 0.43" (11mm) of precipitation.

How much does it rain in Towson in September?

In Towson, in September, during 7.5 rainfall days, 0.43" (11mm) of precipitation is typically accumulated.

When it does not snow in Towson?

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

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

The average day length in September in Towson is 12h and 26min.

What time are sunrise and sunset in September in Towson?

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, in Towson, sunrise is at 7:02 am and sunset at 6:50 pm EDT.

How many hours of sunshine does Towson have in September?

In September, the average sunshine duration is 9h.

What is the UV index intensity in September in Towson?

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health risk 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
Towson, MD

Average temperature in September - Towson, 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
Towson, MD

Average pressure in September - Towson, 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
Towson, MD

Average wind speed in September - Towson, 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
Towson, MD

Average humidity in September - Towson, 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
Towson, MD

Average rainfall in September - Towson, 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
Towson, MD

Average rainfall days in September - Towson, 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
Towson, MD

Average snowfall in September - Towson, 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
Towson, MD

Average snowfall days in September - Towson, 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
Towson, MD

Average daylight in September / Average sunshine in September - Towson, 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
Towson, MD

Average sunshine days in September - Towson, 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
Towson, MD

Average UV index in September - Towson, 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
Towson, MD

Average cloud cover in September - Towson, 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
Towson, MD

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

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