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
A moderate decline in average high-temperatures is noted in September, moving from 83.7°F (28.7°C) in August to a still moderately hot 76.6°F (24.8°C). In Glendora, September nights cool down to an average of 61.2°F (16.2°C).Humidity
In Glendora, the average relative humidity in September is 76%.Rainfall
January and September are months with the least rain when the rain falls for 9.2 days and typically aggregates up to 0.67" (17mm) of rain.Snowfall
April, June through October are months without snowfall in Glendora.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 6:28 am and sunset at 7:31 pm. On the last day of September, in Glendora, sunrise is at 6:56 am and sunset at 6:43 pm EDT.
Sunshine
The average sunshine in September is 8.9h.UV index
In Glendora, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 5 in September transforms into this advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Glendora?
What is the average humidity in September in Glendora?
What is the driest month in Glendora?
How many days does it rain in September in Glendora?
When it does not snow in Glendora?
How many hours of daylight does Glendora have in September?
When is the sunrise / sunset in September in Glendora?
How long on average sun shines in September in Glendora?
How high is the UV index in September in Glendora?
Average temperature in September
Glendora, NJ
- Average high temperature in September: 76.6°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in September: 61.2°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in September
Glendora, NJ
- Average pressure in September: 30.05"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
Glendora, NJ
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Glendora, NJ
- Average humidity in September: 76%
The month with the highest relative humidity is October (77%).
The month with the lowest relative humidity is April (71%).
Average rainfall in September
Glendora, NJ
- Average rainfall in September: 0.67"
The wettest month (with the highest rainfall) is August (1.38").
The driest months (with the least rainfall) are January and September (0.67").
Average rainfall days in September
Glendora, NJ
- Average rainfall days in September: 9.2 days
The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in September
Glendora, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in September
Glendora, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Glendora, NJ
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in September
Glendora, NJ
- Average sunshine days in September: 18.7 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is July (14.3 days).
Average UV index in September
Glendora, NJ
- 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
Glendora, NJ
- Average cloud cover in September: 37
The months with the most cloud cover are February and March (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in September
Glendora, NJ
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Glendora, New Jersey, USA
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