September weather forecast
Conowingo, MD

englishespañol中文
Share

Weather in September

The first month of the autumn, September, is still a warm month in Conowingo, Maryland, with temperature in the range of an average high of 76.5°F (24.7°C) and an average low of 59.7°F (15.4°C).

Temperature

September implies a soft temperature shift, with average high-temperatures reducing from August's warm 82.6°F (28.1°C) to a still moderately hot 76.5°F (24.7°C). In the month of September, Conowingo records a consistent average low-temperature of 59.7°F (15.4°C).

Humidity

The average relative humidity in September in Conowingo is 78%.

Rainfall

In Conowingo, during September, the rain falls for 12.2 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, there are 149.9 rainfall days, and 29.41" (747mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In Conowingo, Maryland, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:33 am and sunset at 7:35 pm. On the last day of September, in Conowingo, sunrise is at 7:00 am and sunset at 6:48 pm EDT.

Sunshine

The average sunshine in September in Conowingo, Maryland, is 9.1h.

UV index

In Conowingo, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, the maximum UV index of 5 suggests these recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
[Resources]

Frequently asked questions

What are September temperatures in Conowingo?

In Conowingo, 76.5°F (24.7°C) is the average high-temperature and 59.7°F (15.4°C) is the average low-temperature during September. In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is appraised at 89.6°F (32°C).

What is the average humidity in September in Conowingo?

In September, the average relative humidity in Conowingo, Maryland, is 78%.

How much does it rain in Conowingo in September?

In Conowingo, in September, during 12.2 rainfall days, 2.01" (51mm) of precipitation is typically accumulated.

When it does not snow in Conowingo?

May through October are months without snowfall in Conowingo, Maryland.

How many hours of daylight does Conowingo have in September?

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

When is the sunrise / sunset in September in Conowingo?

In September, on the first day of the month, sunrise is at 6:33 am and sunset at 7:35 pm. On the last day of the month, in Conowingo, sunrise is at 7:00 am and sunset at 6:48 pm EDT.

How many hours of sunshine does Conowingo have in September?

The average sunshine duration in September is 9.1h.

What is the UV index intensity in September in Conowingo?

The average daily maximum UV index in September in Conowingo, Maryland, is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Conowingo, MD

Average temperature in September - Conowingo, MD
  • Average high temperature in September: 76.5°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (37.6°F).

  • Average low temperature in September: 59.7°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

[Resources]

Average pressure in September
Conowingo, MD

Average pressure in September - Conowingo, 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).

[Resources]

Average wind speed in September
Conowingo, MD

Average wind speed in September - Conowingo, MD
  • Average wind speed in September: 6mph

The windiest months (with the highest average wind speed) are February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

[Resources]

Average humidity in September
Conowingo, MD

Average humidity in September - Conowingo, MD
  • Average humidity in September: 78%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is April (74%).

[Resources]

Average rainfall in September
Conowingo, MD

Average rainfall in September - Conowingo, MD
  • Average rainfall in September: 2.01"

The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.85").

[Resources]

Average rainfall days in September
Conowingo, MD

Average rainfall days in September - Conowingo, MD
  • Average rainfall days in September: 12.2 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (8.3 days).

[Resources]

Average snowfall in September
Conowingo, MD

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

The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August, September and October (0").

[Resources]

Average snowfall days in September
Conowingo, MD

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

The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

Average daylight in September /
Average sunshine in September
Conowingo, MD

Average daylight in September / Average sunshine in September - Conowingo, 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 1min

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).

[Resources]

Average sunshine days in September
Conowingo, MD

Average sunshine days in September - Conowingo, MD
  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (11.1 days).

[Resources]

Average UV index in September
Conowingo, MD

Average UV index in September - Conowingo, 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).

[Resources]

Average cloud cover in September
Conowingo, MD

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

The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 31).

[Resources]

Average visibility in September
Conowingo, MD

Average visibility in September - Conowingo, MD
  • Average visibility in September: 6mi

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

[Resources]

Conowingo, Maryland, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location