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 move into September indicates a slight reduction in the average high-temperature, down from August's warm 78.4°F (25.8°C) to a pleasant 72.5°F (22.5°C). The nighttime temperature dips to a fresh 53.6°F (12°C) on average during September.Humidity
The average relative humidity in September in Still Creek is 80%.Rainfall
September is the month with the least rainfall in Still Creek. Rain falls for 4.6 days and accumulates 0.2" (5mm) of precipitation.Snowfall
In Still Creek, snow does not fall in April through September.Daylight
In Still Creek, the average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 6:31 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:47 pm EDT.
Sunshine
In Still Creek, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
What is the usual temperature for Still Creek in September?
What is the average humidity in September in Still Creek?
What is the driest month in Still Creek?
How many days does it rain in September in Still Creek?
When it does not snow in Still Creek?
Does it snow in Still Creek in September?
What is the average length of the day in September in Still Creek?
When are sunrise and sunset in September in Still Creek?
How many hours of sunshine does Still Creek have in September?
What is the UV index reading in September in Still Creek?
Average temperature in September
Still Creek, PA
- Average high temperature in September: 72.5°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 (31.8°F).
- Average low temperature in September: 53.6°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
Still Creek, PA
- Average pressure in September: 30.06"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
Still Creek, PA
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Still Creek, PA
- Average humidity in September: 80%
The months with the highest relative humidity are February and December (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Still Creek, PA
- Average rainfall in September: 0.2"
The wettest month (with the highest rainfall) is May (0.71").
The driest month (with the least rainfall) is September (0.2").
Average rainfall days in September
Still Creek, PA
- Average rainfall days in September: 4.6 days
The month with the highest number of rainy days is April (8.1 days).
The month with the least rainy days is November (3.5 days).
Average snowfall in September
Still Creek, PA
- Average snowfall in September: 0"
The months with the highest snowfall are January and November (0.71").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in September
Still Creek, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Still Creek, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in September
Still Creek, PA
- Average sunshine days in September: 23.5 days
The month with the most sunshine days is December (24.9 days).
The month with the least sunshine days is May (19.9 days).
Average UV index in September
Still Creek, 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
Still Creek, PA
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in September
Still Creek, PA
- Average visibility in September: 5mi
The months with the highest visibility are March and April (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September, October, November and December (5mi).
Still Creek, Pennsylvania, USA
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