September weather forecastMiddletown, PA
September
Weather in September
September, the first month of the autumn in Middletown, is also a moderately hot month, with temperature in the range of an average low of 55.8°F (13.2°C) and an average high of 74.3°F (23.5°C).Temperature
September's onset introduces a mild reduction in the average high-temperature, from a moderately hot 80.8°F (27.1°C) in August to a still warm 74.3°F (23.5°C). The average low-temperature, in September, in Middletown, is a moderate 55.8°F (13.2°C).Humidity
The average relative humidity in September in Middletown is 79%.Rainfall
In Middletown, during September, the rain falls for 13.5 days and regularly aggregates up to 2.32" (59mm) of precipitation. In Middletown, Pennsylvania, during the entire year, the rain falls for 160.1 days and collects up to 30.75" (781mm) of precipitation.Snowfall
In Middletown, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 27min.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 7:03 am and sunset at 6:50 pm EDT.
Sunshine
In September, the average sunshine is 9h.UV index
In Middletown, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, a daily UV index of 4 turns into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Middletown, PA
- Average high temperature in September: 74.3°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 (35.2°F).
- Average low temperature in September: 55.8°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in September
Middletown, 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
Middletown, PA
- Average wind speed in September: 5.5mph
The windiest months (with the highest average wind speed) are February and March (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Middletown, PA
- Average humidity in September: 79%
The months with the highest relative humidity are February, May and October (80%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Middletown, PA
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is August (3.46").
The driest months (with the least rainfall) are January and February (1.97").
Average rainfall days in September
Middletown, PA
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in September
Middletown, PA
- Average snowfall in September: 0"
The month with the highest snowfall is March (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Middletown, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Middletown, PA
- Average daylight in September: 12h and 24min
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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Middletown, PA
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (10 days).
Average UV index in September
Middletown, 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
Middletown, PA
- Average cloud cover in September: 37
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Middletown, 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).
