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
In Alliance Furnace, the average high-temperature in September slightly decreases from 81.3°F (27.4°C) in August to a still moderately hot 75.2°F (24°C). In Alliance Furnace, an average temperature of 54.5°F (12.5°C) is noted during September nights.Humidity
In Alliance Furnace, the average relative humidity in September is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 9.9 days and typically collects 0.67" (17mm) of precipitation.Snowfall
June through September are months without snowfall in Alliance Furnace.Daylight
In Alliance Furnace, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:47 am and sunset at 7:50 pm. On the last day of September, sunrise is at 7:14 am and sunset at 7:02 pm EDT.
Sunshine
In Alliance Furnace, the average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Alliance Furnace in September?
What is the average humidity in September in Alliance Furnace?
What is the driest month in Alliance Furnace?
How much does it rain in Alliance Furnace in September?
When it does not snow in Alliance Furnace?
Does it snow in Alliance Furnace in September?
What is the average length of the day in September in Alliance Furnace?
When are sunrise and sunset in September in Alliance Furnace?
How long on average sun shines in September in Alliance Furnace?
What is the UV index reading in September in Alliance Furnace?
Average temperature in September
Alliance Furnace, PA
- Average high temperature in September: 75.2°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in September
Alliance Furnace, 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
Alliance Furnace, PA
- Average wind speed in September: 5.1mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Alliance Furnace, PA
- Average humidity in September: 78%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in September
Alliance Furnace, PA
- Average rainfall in September: 0.67"
The wettest month (with the highest rainfall) is May (1.57").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days in September
Alliance Furnace, PA
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in September
Alliance Furnace, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Alliance Furnace, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Alliance Furnace, 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 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Alliance Furnace, PA
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is January (9.7 days).
Average UV index in September
Alliance Furnace, 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
Alliance Furnace, 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 35).
Average visibility in September
Alliance Furnace, PA
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Alliance Furnace, Pennsylvania, USA
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