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
As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a moderately hot 78.4°F (25.8°C) to an agreeable 71.8°F (22.1°C). During September, the average low-temperature is recorded at a cool 51.4°F (10.8°C).Humidity
The average relative humidity in September is 80%.Rainfall
The month with the least rainfall is September, when the rain falls for 10.3 days and typically collects 1.57" (40mm) of precipitation.Snowfall
In Greeley, Pennsylvania, snow does not fall in June through September.Daylight
In September, the average length of the day in Greeley, Pennsylvania, is 12h and 28min.On the first day of the month, sunrise is at 6:26 am and sunset at 7:32 pm. On the last day of September, in Greeley, sunrise is at 6:56 am and sunset at 6:43 pm EDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
The average daily maximum UV index in September in Greeley is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 3 in September interprets into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
What is the temperature in September in Greeley?
What is the average humidity in September in Greeley?
What is the driest month in Greeley?
How much does it rain in Greeley in September?
When it does not snow in Greeley?
Does it snow in Greeley in September?
What is the average length of the day in September in Greeley?
When are sunrise and sunset in September in Greeley?
How many hours of sunshine does Greeley have in September?
How high is the UV index in September in Greeley?
Average temperature in September
Greeley, PA
- Average high temperature in September: 71.8°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in September: 51.4°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in September
Greeley, PA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Greeley, PA
- Average wind speed in September: 5.7mph
The windiest months (with the highest average wind speed) are January and February (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Greeley, PA
- Average humidity in September: 80%
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is July (77%).
Average rainfall in September
Greeley, PA
- Average rainfall in September: 1.57"
The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in September
Greeley, PA
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in September
Greeley, PA
- Average snowfall in September: 0"
The month with the highest snowfall is December (5.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Greeley, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Greeley, PA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in September
Greeley, PA
- Average sunshine days in September: 18 days
The month with the most sunshine days is September (18 days).
The month with the least sunshine days is April (12.1 days).
Average UV index in September
Greeley, PA
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Greeley, PA
- Average cloud cover in September: 42
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in September
Greeley, PA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Greeley, Pennsylvania, USA
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