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 is characterized by a slight reduction in average high-temperature, easing from 81.5°F (27.5°C) in August to a still warm 74.3°F (23.5°C). West Fairview in September anticipates an average nighttime temperature of 55.6°F (13.1°C).Humidity
In West Fairview, the average relative humidity in September is 78%.Rainfall
In West Fairview, Pennsylvania, in September, it is raining for 9.7 days, with typically 0.79" (20mm) of accumulated precipitation. Throughout the year, in West Fairview, there are 122.3 rainfall days, and 11.73" (298mm) of precipitation is accumulated.Snowfall
In West Fairview, Pennsylvania, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 6:35 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:51 pm EDT.
Sunshine
The average sunshine in September is 9h.UV index
In September, the average daily maximum UV index in West Fairview is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What are the temperatures in West Fairview in September?
What is the average humidity in September in West Fairview?
How much does it rain in West Fairview in September?
When it does not snow in West Fairview?
What is the average length of the day in September in West Fairview?
What time are sunrise and sunset in September in West Fairview?
How long on average sun shines in September in West Fairview?
How high is the UV index in September in West Fairview?
Average temperature in September
West Fairview, PA
- Average high temperature in September: 74.3°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in September: 55.6°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in September
West Fairview, PA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
West Fairview, PA
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in September
West Fairview, PA
- Average humidity in September: 78%
The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are March and April (75%).
Average rainfall in September
West Fairview, PA
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is August (1.3").
The driest months (with the least rainfall) are January and February (0.71").
Average rainfall days in September
West Fairview, PA
- Average rainfall days in September: 9.7 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in September
West Fairview, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
West Fairview, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
West Fairview, 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: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
West Fairview, PA
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is July (14.1 days).
Average UV index in September
West Fairview, PA
- Average UV index in September: 4
The months with the highest UV index are May, June and 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
West Fairview, PA
- Average cloud cover in September: 37
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
West Fairview, PA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
West Fairview, Pennsylvania, USA
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