September weather forecast
Latrobe, PA

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Latrobe, Pennsylvania, with an average temperature ranging between max 73.8°F (23.2°C) and min 53.8°F (12.1°C).

Temperature

In Latrobe, the average high-temperature in September gently drops from a warm 79.7°F (26.5°C) in August to a still moderately hot 73.8°F (23.2°C). During September, Latrobe witnesses a consistent average low-temperature of 53.8°F (12.1°C).

Humidity

In September, the average relative humidity is 79%.

Rainfall

In Latrobe, in September, during 14.5 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. Throughout the year, there are 173.8 rainfall days, and 25.55" (649mm) of precipitation is accumulated.

Snowfall

In Latrobe, Pennsylvania, snow does not fall in May through September.

Daylight

In Latrobe, the average length of the day in September is 12h and 27min.
On the first day of September, sunrise is at 6:45 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:00 pm EDT.

Sunshine

In September, the average sunshine is 8.7h.

UV index

In Latrobe, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

What is the temperature in September?

Latrobe in September has an average high-temperature of 73.8°F (23.2°C) and an average low-temperature of 53.8°F (12.1°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is computed to be 87.8°F (31°C).

What is the average humidity in September?

The average relative humidity in September is 79%.

How many days does it rain in September?

In Latrobe, in September, it is raining for 14.5 days, with typically 1.73" (44mm) of accumulated precipitation.

When it does not snow?

May through September are months without snowfall.

Does it snow in September?

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

How many hours of daylight does Latrobe have in September?

In Latrobe, the average day length in September is 12h and 27min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:45 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:00 pm EDT.

How many hours of sunshine does Latrobe have in September?

The average sunshine duration in September is 8.7h.

What is the UV index intensity in September?

In Latrobe, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health risk from 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
Latrobe, PA

Average temperature in September - Latrobe, PA
  • Average high temperature in September: 73.8°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in September: 53.8°F

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

Average pressure in September
Latrobe, PA

Average pressure in September - Latrobe, 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
Latrobe, PA

Average wind speed in September - Latrobe, PA
  • Average wind speed in September: 5.4mph

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in September
Latrobe, PA

Average humidity in September - Latrobe, PA
  • Average humidity in September: 79%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, June, July and August (78%).

Average rainfall in September
Latrobe, PA

Average rainfall in September - Latrobe, PA
  • Average rainfall in September: 1.73"

The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is November (1.38").

Average rainfall days in September
Latrobe, PA

Average rainfall days in September - Latrobe, PA
  • Average rainfall days in September: 14.5 days

The month with the highest number of rainy days is May (20.4 days).
The month with the least rainy days is January (9.5 days).

Average snowfall in September
Latrobe, PA

Average snowfall in September - Latrobe, PA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (4.96").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Latrobe, PA

Average snowfall days in September - Latrobe, PA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Latrobe, PA
  • Average daylight in September: 12h and 2min

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 4min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in September
Latrobe, PA

Average sunshine days in September - Latrobe, PA
  • Average sunshine days in September: 13.4 days

The month with the most sunshine days is November (14.4 days).
The month with the least sunshine days is January (7 days).

Average UV index in September
Latrobe, PA

Average UV index in September - Latrobe, PA
  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in September
Latrobe, PA

Average cloud cover in September - Latrobe, PA
  • Average cloud cover in September: 39

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in September
Latrobe, PA

Average visibility in September - Latrobe, PA
  • Average visibility in September: 5mi

The month with the highest visibility is April (6mi).
The month with the lowest visibility is January (4mi).

Latrobe, Pennsylvania, USA

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