September weather forecast
Glendora, NJ

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Weather in September

September, the first month of the autumn in Glendora, is still a warm month, with an average temperature varying between 76.6°F (24.8°C) and 61.2°F (16.2°C).

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.
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Frequently asked questions

What are September temperatures in Glendora?

In September, the average high-temperature and low-temperature in Glendora, New Jersey, are 76.6°F (24.8°C) and 61.2°F (16.2°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in August is appraised at 89.6°F (32°C).

What is the average humidity in September in Glendora?

In September, the average relative humidity in Glendora, New Jersey, is 76%.

What is the driest month in Glendora?

January and September are months with the least rain in Glendora when the rain falls for 9.2 days and typically aggregates up to 0.67" (17mm) of rain.

How many days does it rain in September in Glendora?

In Glendora, New Jersey, in September, it is raining for 9.2 days, with typically 0.67" (17mm) of accumulated precipitation.

When it does not snow in Glendora?

In Glendora, New Jersey, snow does not fall in April, June through October.

How many hours of daylight does Glendora have in September?

In September, the average day length in Glendora is 12h and 26min.

When is the sunrise / sunset in September in Glendora?

On the first day of September in Glendora, New Jersey, sunrise is at 6:28 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:43 pm EDT.

How long on average sun shines in September in Glendora?

In September, the average sunshine duration is 8.9h.

How high is the UV index in September in Glendora?

The average daily maximum UV index in September in Glendora, New Jersey, is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Glendora, NJ

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).

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Average pressure in September
Glendora, NJ

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).

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Average wind speed in September
Glendora, NJ

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).

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Average humidity in September
Glendora, NJ

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%).

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Average rainfall in September
Glendora, NJ

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").

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Average rainfall days in September
Glendora, NJ

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).

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Average snowfall in September
Glendora, NJ

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").

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Average snowfall days in September
Glendora, NJ

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).

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Average daylight in September /
Average sunshine in September
Glendora, NJ

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).

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Average sunshine days in September
Glendora, NJ

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).

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Average UV index in September
Glendora, NJ

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).

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Average cloud cover in September
Glendora, NJ

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).

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Average visibility in September
Glendora, NJ

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).

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Glendora, New Jersey, USA

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