September weather forecastGarrett, PA

September

Weather in September

September, the first month of the autumn in Garrett, is still a pleasant month, with an average temperature varying between 71.4°F (21.9°C) and 52°F (11.1°C).

Temperature

Garrett records a mild change in average high-temperature during September, easing from a moderately hot 77.5°F (25.3°C) in August to a pleasant 71.4°F (21.9°C). An average low-temperature of 52°F (11.1°C) is recorded during the nights in September.

Humidity

In September, the average relative humidity in Garrett is 81%.

Rainfall

In September, the rain falls for 15.6 days. Throughout September, 2.32" (59mm) of precipitation is accumulated. Throughout the year, there are 183.2 rainfall days, and 35.94" (913mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of September in Garrett, sunrise is at 6:44 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 6:59 pm EDT.

Sunshine

In September, the average sunshine is 8.2h.

UV index

In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index, 3 during September, leads to the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in September, in Garrett, records 71.4°F (21.9°C), while the low-temperature is 52°F (11.1°C).

In September, the average relative humidity is 81%.

In September, the rain falls for 15.6 days. Throughout September, 2.32" (59mm) of precipitation is accumulated.

In Garrett, snow does not fall in June through September.

In Garrett, in September, it doesn't snow. In October, it regularly snows.

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

On the first day of September, sunrise is at 6:44 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 6:59 pm EDT.

The average sunshine duration in September is 8.2h.

In Garrett, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health threat from 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Garrett, PA

  • Average high temperature in September: 71.4°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in September: 52°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in September
Garrett, PA

  • 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 (29.95"Hg).

Average wind speed in September
Garrett, PA

  • Average wind speed in September: 5.8mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in September
Garrett, PA

  • Average humidity in September: 81%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, June and July (79%).

Average rainfall in September
Garrett, PA

  • Average rainfall in September: 2.32"

The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is November (2.09").

Average rainfall days in September
Garrett, PA

  • Average rainfall days in September: 15.6 days

The month with the highest number of rainy days is May (22.8 days).
The month with the least rainy days is January (9.4 days).

Average snowfall in September
Garrett, PA

  • Average snowfall in September: 0"

The month with the highest snowfall is January (7.44").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Garrett, PA

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Garrett, PA

  • Average daylight in September: 12h and 24min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 8h and 12min

The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days in September
Garrett, PA

  • Average sunshine days in September: 11.8 days

The months with the most sunshine days are October and November (12.5 days).
The month with the least sunshine days is May (6.2 days).

Average UV index in September
Garrett, PA

  • Average UV index in September: 3

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in September
Garrett, PA

  • Average cloud cover in September: 45

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 40).

Average visibility in September
Garrett, PA

  • Average visibility in September: 5mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).