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
Petrolia in September experiences a gentle temperature dip, with average high-temperatures reducing from 79.7°F (26.5°C) in August to a still warm 73.6°F (23.1°C). During September nights, Petrolia witnesses a consistent average temperature of 53.2°F (11.8°C).Humidity
In Petrolia, Pennsylvania, the average relative humidity in September is 80%.Rainfall
In September, the rain falls for 12.3 days. Throughout September, 1.14" (29mm) of precipitation is accumulated. In Petrolia, Pennsylvania, during the entire year, the rain falls for 140.7 days and collects up to 15.43" (392mm) of precipitation.Snowfall
In Petrolia, Pennsylvania, snow does not fall in June through October.Daylight
In Petrolia, Pennsylvania, the average length of the day in September is 12h and 28min.On the first day of September, 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
In September, the average sunshine in Petrolia, Pennsylvania, is 8h.UV index
In September, the average daily maximum UV index in Petrolia is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 3 translates into these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
What are the temperatures in Petrolia in September?
What is the average humidity in September in Petrolia?
How many days does it rain in September in Petrolia?
When it does not snow in Petrolia?
How many hours of daylight does Petrolia have in September?
When are sunrise and sunset in September in Petrolia?
How many hours of sunshine does Petrolia have in September?
How high is the UV index in September in Petrolia?
Average temperature in September
Petrolia, PA
- Average high temperature in September: 73.6°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in September: 53.2°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in September
Petrolia, 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 (29.94"Hg).
Average wind speed in September
Petrolia, PA
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in September
Petrolia, PA
- Average humidity in September: 80%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April, June, July and August (78%).
Average rainfall in September
Petrolia, PA
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is June (1.89").
The driest month (with the least rainfall) is November (0.87").
Average rainfall days in September
Petrolia, PA
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in September
Petrolia, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.93").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Petrolia, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Petrolia, PA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in September
Petrolia, PA
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is December (17.1 days).
The month with the least sunshine days is July (12.2 days).
Average UV index in September
Petrolia, 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 and December (UV index 1).
Average cloud cover in September
Petrolia, PA
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Petrolia, PA
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Petrolia, Pennsylvania, USA
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