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
The beginning of September brings a slight decrease in the average high-temperature, transitioning from 80.6°F (27°C) in August to a still warm 74.5°F (23.6°C). September nights cool down to an average low-temperature of 54.1°F (12.3°C).Humidity
April, June through September and November, with an average relative humidity of 78%, are the least humid months.Rainfall
In Hopwood, in September, during 15.3 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, there are 168.2 rainfall days, and 29.8" (757mm) of precipitation is accumulated.Snowfall
In Hopwood, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 6:47 am and sunset at 7:49 pm. On the last day of September, in Hopwood, sunrise is at 7:14 am and sunset at 7:02 pm EDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
In Hopwood, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 4 during September leads to these advisories:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Around midday, solar radiation is most harmful; hence, exposure should be limited. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What are the least humid months?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September in Hopwood?
How high is the UV index in September in Hopwood?
Average temperature in September
Hopwood, PA
- Average high temperature in September: 74.5°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in September: 54.1°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in September
Hopwood, PA
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Hopwood, PA
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in September
Hopwood, PA
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, June, July, August, September and November (78%).
Average rainfall in September
Hopwood, PA
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is November (1.3").
Average rainfall days in September
Hopwood, PA
- Average rainfall days in September: 15.3 days
The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in September
Hopwood, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Hopwood, PA
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hopwood, 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 4min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Hopwood, PA
- Average sunshine days in September: 13 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (8.9 days).
Average UV index in September
Hopwood, PA
- Average UV index in September: 4
The month with the highest UV index is 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
Hopwood, PA
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Hopwood, PA
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Hopwood, Pennsylvania, USA
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