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
Bessemer in September undergoes a slight reduction in the average high-temperature, shifting from August's 80.6°F (27°C) to a still moderately hot 73.8°F (23.2°C). During September, Bessemer records an average temperature of 54°F (12.2°C) at night.Humidity
The average relative humidity in September is 79%.Rainfall
In September, the rain falls for 15.1 days. Throughout September, 2.48" (63mm) of precipitation is accumulated. In Bessemer, during the entire year, the rain falls for 177.6 days and collects up to 34.92" (887mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:54 pm. On the last day of September, sunrise is at 7:18 am and sunset at 7:05 pm EDT.
Sunshine
The average sunshine in September is 8.2h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The UV index of 3 during September leads to these advisories:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September in Bessemer?
How many days does it rain in September in Bessemer?
When it does not snow in Bessemer?
Does it snow in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Bessemer have in September?
What is the UV index reading in September?
Average temperature in September
Bessemer, PA
- Average high temperature in September: 73.8°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in September: 54°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 (18.9°F).
Average pressure in September
Bessemer, PA
- 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
Bessemer, PA
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).
Average humidity in September
Bessemer, PA
- Average humidity in September: 79%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, May, June, July and August (78%).
Average rainfall in September
Bessemer, PA
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is June (3.66").
The driest month (with the least rainfall) is November (2.24").
Average rainfall days in September
Bessemer, PA
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in September
Bessemer, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (6.93").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Bessemer, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bessemer, 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 18min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in September
Bessemer, PA
- Average sunshine days in September: 13.1 days
The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is February (7 days).
Average UV index in September
Bessemer, PA
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Bessemer, PA
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Bessemer, PA
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February and December (4mi).
Bessemer, Pennsylvania, USA
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