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 commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a warm 78.4°F (25.8°C) in August to a pleasant 72.1°F (22.3°C). The low-temperature average for Sandy Lake during September stands at a cool 52.9°F (11.6°C).Humidity
In September, the average relative humidity is 81%.Rainfall
September is the month with the least rainfall. Rain falls for 14.3 days and accumulates 2.28" (58mm) of precipitation.Snowfall
In Sandy Lake, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:47 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 7:03 pm EDT.
Sunshine
In September, the average sunshine in Sandy Lake is 8h.UV index
In Sandy Lake, Pennsylvania, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Take precautions - Protection against sunburn is recommended. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
What is the driest month?
How much 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?
What is the UV index reading in September?
Average temperature in September
Sandy Lake, PA
- Average high temperature in September: 72.1°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in September: 52.9°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in September
Sandy Lake, 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
Sandy Lake, PA
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in September
Sandy Lake, PA
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (79%).
Average rainfall in September
Sandy Lake, PA
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is September (2.28").
Average rainfall days in September
Sandy Lake, PA
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in September
Sandy Lake, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (10.31").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Sandy Lake, 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
Sandy Lake, 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 12min).
- Average sunshine in September: 8h and 0min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in September
Sandy Lake, PA
- Average sunshine days in September: 12.8 days
The month with the most sunshine days is September (12.8 days).
The month with the least sunshine days is February (5.8 days).
Average UV index in September
Sandy Lake, PA
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Sandy Lake, PA
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Sandy Lake, PA
- Average visibility in September: 4mi
The months with the highest visibility are March, April, May, June, July, August, October and November (5mi).
The months with the lowest visibility are January, February, September and December (4mi).
Sandy Lake, Pennsylvania, USA
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