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
September's arrival subtly correlates with a reduction in the average high-temperature, down from a warm 75.7°F (24.3°C) in August to an agreeable 70.2°F (21.2°C). In September, Spartansburg's temperature tends to fall to an average low of 53.4°F (11.9°C) during the night.Humidity
In Spartansburg, Pennsylvania, the average relative humidity in September is 81%.Rainfall
The month with the least rainfall in Spartansburg is September, when the rain falls for 16.3 days and typically collects 2.64" (67mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 6:45 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:01 pm EDT.
Sunshine
The average sunshine in September in Spartansburg is 8.2h.UV index
In Spartansburg, Pennsylvania, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 3 in September transforms into this advice:
Exercise prevention - Protecting skin and eyes from harm is required. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What is the average September temperature in Spartansburg?
What is the average humidity in September in Spartansburg?
What is the driest month in Spartansburg?
How much does it rain in Spartansburg in September?
When it does not snow in Spartansburg?
Does it snow in Spartansburg in September?
How many hours of daylight does Spartansburg have in September?
When is the sunrise / sunset in September in Spartansburg?
How many hours of sunshine does Spartansburg have in September?
How high is the UV index in September in Spartansburg?
Average temperature in September
Spartansburg, PA
- Average high temperature in September: 70.2°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in September: 53.4°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in September
Spartansburg, PA
- Average pressure in September: 30.05"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
Spartansburg, PA
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in September
Spartansburg, PA
- Average humidity in September: 81%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (80%).
Average rainfall in September
Spartansburg, PA
- Average rainfall in September: 2.64"
The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is September (2.64").
Average rainfall days in September
Spartansburg, PA
- Average rainfall days in September: 16.3 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in September
Spartansburg, PA
- Average snowfall in September: 0"
The month with the highest snowfall is December (12.01").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Spartansburg, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (21.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Spartansburg, PA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 0min).
Average sunshine days in September
Spartansburg, PA
- Average sunshine days in September: 10.5 days
The month with the most sunshine days is October (10.9 days).
The month with the least sunshine days is January (5.4 days).
Average UV index in September
Spartansburg, PA
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Spartansburg, PA
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 80).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in September
Spartansburg, PA
- Average visibility in September: 5mi
The month with the highest visibility is October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Spartansburg, Pennsylvania, USA
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