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 arrival of September signals a subtle shift in temperature, down from 81.7°F (27.6°C) in August to a still moderately hot 75.4°F (24.1°C). During September, West Middletown sees a mean low-temperature of 55°F (12.8°C).Humidity
In September, the average relative humidity is 79%.Rainfall
In West Middletown, in September, during 14 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. Throughout the year, in West Middletown, there are 182.9 rainfall days, and 33.07" (840mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In West Middletown, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:53 pm. On the last day of September, sunrise is at 7:17 am and sunset at 7:05 pm EDT.
Sunshine
The average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index in West Middletown is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 4 in September transforms into this advice:
Exercise prevention - Warding off sunburn is urged. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in West Middletown in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September in West Middletown?
Average temperature in September
West Middletown, PA
- Average high temperature in September: 75.4°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in September: 55°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in September
West Middletown, PA
- Average pressure in September: 30.05"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 Middletown, PA
- Average wind speed in September: 5.1mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in September
West Middletown, PA
- Average humidity in September: 79%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in September
West Middletown, PA
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is April (3.5").
The driest month (with the least rainfall) is November (2.17").
Average rainfall days in September
West Middletown, PA
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is November (11.1 days).
Average snowfall in September
West Middletown, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.04").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
West Middletown, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
West Middletown, 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
West Middletown, PA
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is January (8.5 days).
Average UV index in September
West Middletown, PA
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
West Middletown, PA
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
West Middletown, PA
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January and February (4mi).
West Middletown, Pennsylvania, USA
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