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 ushers in a minute temperature change, with average high-temperatures reducing from August's warm 81°F (27.2°C) to a still moderately hot 74.7°F (23.7°C). During the month of September, an average low-temperature of 56.3°F (13.5°C) is recorded.Humidity
In September, the average relative humidity is 79%.Rainfall
In York Haven, in September, during 10.5 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. Throughout the year, there are 134.1 rainfall days, and 17.83" (453mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in York Haven.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:38 pm. On the last day of September, sunrise is at 7:02 am and sunset at 6:50 pm EDT.
Sunshine
In York Haven, the average sunshine in September is 8.9h.UV index
In York Haven, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The average daily UV index of 4 in September transforms into the following instructions:
Guard yourself - Avoiding sunburn is suggested. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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?
How many days does it rain in September in York Haven?
When it does not snow in York Haven?
Does it snow in September?
How many hours of daylight does York Haven have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does York Haven have in September?
How high is the UV index in September?
Average temperature in September
York Haven, PA
- Average high temperature in September: 74.7°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in September
York Haven, 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 (29.94"Hg).
Average wind speed in September
York Haven, PA
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is March (8.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
York Haven, PA
- Average humidity in September: 79%
The months with the highest relative humidity are February, May and October (80%).
The months with the lowest relative humidity are March and April (76%).
Average rainfall in September
York Haven, PA
- Average rainfall in September: 1.22"
The wettest months (with the highest rainfall) are July and August (2.01").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in September
York Haven, PA
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is January (6 days).
Average snowfall in September
York Haven, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
York Haven, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
York Haven, 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: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
York Haven, PA
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in September
York Haven, PA
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
York Haven, PA
- Average cloud cover in September: 38
The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
York Haven, 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).
York Haven, Pennsylvania, USA
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