Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The start of September signals a gentle decrease in the average high-temperature, transitioning from a warm 81.3°F (27.4°C) in August to a still moderately hot 74.8°F (23.8°C). Tarentum records a consistent low-temperature of 54.7°F (12.6°C) during September nights.Humidity
In September, the average relative humidity is 78%.Rainfall
In September, in Tarentum, the rain falls for 14.1 days. Throughout September, 2.56" (65mm) of precipitation is accumulated. In Tarentum, during the entire year, the rain falls for 185.5 days and collects up to 35.59" (904mm) of precipitation.Snowfall
In Tarentum, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 27min.On the first day of September in Tarentum, sunrise is at 6:46 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:02 pm EDT.
Sunshine
The average sunshine in September in Tarentum is 8.5h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Prioritize safety - Recommendations to avert sunburn are shared. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Frequently asked questions
What is the usual temperature for Tarentum in September?
What is the average humidity in September in Tarentum?
How many days does it rain in September in Tarentum?
When it does not snow in Tarentum?
Does it snow in Tarentum in September?
How many hours of daylight does Tarentum have in September?
When is the sunrise / sunset in September in Tarentum?
How many hours of sunshine does Tarentum have in September?
What is the UV index reading in September in Tarentum?
Average temperature in September
Tarentum, PA
- Average high temperature in September: 74.8°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in September: 54.7°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in September
Tarentum, PA
- 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 (29.95"Hg).
Average wind speed in September
Tarentum, PA
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Tarentum, PA
- Average humidity in September: 78%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (76%).
Average rainfall in September
Tarentum, PA
- Average rainfall in September: 2.56"
The wettest months (with the highest rainfall) are April and May (3.66").
The driest month (with the least rainfall) is November (2.2").
Average rainfall days in September
Tarentum, PA
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is January (11.1 days).
Average snowfall in September
Tarentum, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (6.73").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Tarentum, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Tarentum, 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 18min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
Tarentum, PA
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is November (14.8 days).
The month with the least sunshine days is January (7.3 days).
Average UV index in September
Tarentum, PA
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Tarentum, PA
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Tarentum, PA
- Average visibility in September: 5mi
The months with the highest visibility are April and August (6mi).
The months with the lowest visibility are January and February (4mi).
Tarentum, Pennsylvania, USA
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