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 brings a slight decrease in the average high-temperature, shifting from a moderately hot 80.8°F (27.1°C) in August to a still warm 74.1°F (23.4°C). An average temperature of 55.2°F (12.9°C) is recorded in Glendon, Pennsylvania, during the nights in September.Humidity
In Glendon, the average relative humidity in September is 79%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.1 days and typically collects 1.97" (50mm) of precipitation.Snowfall
In Glendon, snow does not fall in June through September.Daylight
In Glendon, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:28 am and sunset at 7:32 pm. On the last day of September, in Glendon, sunrise is at 6:57 am and sunset at 6:44 pm EDT.
Sunshine
The average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index in Glendon, Pennsylvania, is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 4 in September leads to these recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
What is the average September temperature in Glendon?
What is the average humidity in September in Glendon?
What is the driest month in Glendon?
How much does it rain in Glendon in September?
When it does not snow in Glendon?
Does it snow in Glendon in September?
What is the average length of the day in September in Glendon?
When are sunrise and sunset in September in Glendon?
How long on average sun shines in September in Glendon?
What is the UV index reading in September in Glendon?
Average temperature in September
Glendon, PA
- Average high temperature in September: 74.1°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in September: 55.2°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in September
Glendon, PA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Glendon, PA
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in September
Glendon, PA
- Average humidity in September: 79%
The months with the highest relative humidity are February, October and December (81%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in September
Glendon, PA
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in September
Glendon, PA
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in September
Glendon, PA
- Average snowfall in September: 0"
The month with the highest snowfall is March (4.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Glendon, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Glendon, PA
- Average daylight in September: 12h and 3min
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 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Glendon, PA
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in September
Glendon, PA
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Glendon, PA
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in September
Glendon, PA
- Average visibility in September: 5mi
The months with the highest visibility are March, April and November (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September, October and December (5mi).
Glendon, Pennsylvania, USA
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