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
September witnesses a gentle descent in average high-temperature, descending from August's 28.7°C (83.7°F) to a still moderately hot 24.8°C (76.6°F). Glenolden, during the nights of September, experiences an average temperature drop to a refreshing 16°C (60.8°F).Humidity
In September, the average relative humidity is 76%.Rainfall
In Glenolden, in September, it is raining for 12.3 days, with typically 40mm (1.57") of accumulated precipitation. Throughout the year, there are 142 rainfall days, and 620mm (24.41") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:29 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:44 pm EDT.
Sunshine
In Glenolden, the average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Glenolden, PA
- Average high temperature in September: 24.8°C
The warmest month (with the highest average high temperature) is July (30°C).
The month with the lowest average high temperature is January (3°C).
- Average low temperature in September: 16°C
The month with the highest average low temperature is July (20.3°C).
The coldest month (with the lowest average low temperature) is January (-3.5°C).
Average pressure in September
Glenolden, PA
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is November (1020mbar).
The month with the lowest atmospheric pressure is June (1013.8mbar).
Average wind speed in September
Glenolden, PA
- Average wind speed in September: 9.6km/h
The windiest months (with the highest average wind speed) are March and April (13.7km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).
Average humidity in September
Glenolden, PA
- Average humidity in September: 76%
The months with the highest relative humidity are February, October and December (77%).
The month with the lowest relative humidity is April (71%).
Average rainfall in September
Glenolden, PA
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is August (75mm).
The driest month (with the least rainfall) is January (37mm).
Average rainfall days in September
Glenolden, PA
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in September
Glenolden, PA
- Average snowfall in September: 0mm
The month with the highest snowfall is March (52mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Glenolden, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Glenolden, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in September
Glenolden, PA
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is July (12.1 days).
Average UV index in September
Glenolden, PA
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Glenolden, PA
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Glenolden, PA
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Glenolden, Pennsylvania, USA
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