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
With the onset of September, Rennerdale experiences a modest temperature adjustment, with the average high-temperature gently receding from a moderately hot 82.4°F (28°C) in August to a still warm 75.7°F (24.3°C). Rennerdale records an average low of 55.8°F (13.2°C) throughout the nights in September.Humidity
In September, the average relative humidity is 77%.Rainfall
In Rennerdale, Pennsylvania, in September, during 10.6 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. In Rennerdale, during the entire year, the rain falls for 132.6 days and collects up to 11.5" (292mm) of precipitation.Snowfall
In Rennerdale, snow does not fall in May through October.Daylight
In Rennerdale, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:52 pm. On the last day of September, in Rennerdale, sunrise is at 7:16 am and sunset at 7:03 pm EDT.
Sunshine
In Rennerdale, the average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September in Rennerdale, Pennsylvania, is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 4 during September translates into the following directions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Rennerdale?
What is the average humidity in September in Rennerdale?
How many days does it rain in September in Rennerdale?
When it does not snow in Rennerdale?
How many hours of daylight does Rennerdale have in September?
When are sunrise and sunset in September in Rennerdale?
How long on average sun shines in September in Rennerdale?
How high is the UV index in September in Rennerdale?
Average temperature in September
Rennerdale, PA
- Average high temperature in September: 75.7°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in September: 55.8°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in September
Rennerdale, 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
Rennerdale, PA
- Average wind speed in September: 5.1mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in September
Rennerdale, PA
- Average humidity in September: 77%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July and August (75%).
Average rainfall in September
Rennerdale, PA
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is November (0.67").
Average rainfall days in September
Rennerdale, PA
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in September
Rennerdale, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Rennerdale, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Rennerdale, 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 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Rennerdale, PA
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (12.2 days).
Average UV index in September
Rennerdale, PA
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Rennerdale, PA
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Rennerdale, PA
- Average visibility in September: 5mi
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).
Rennerdale, Pennsylvania, USA
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