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 shift from August to September includes a small decrease in the average high-temperature, from a moderately hot 77.7°F (25.4°C) to a pleasant 72°F (22.2°C). Seward's nights in September cool down to an average low-temperature of 52.7°F (11.5°C).Humidity
In Seward, the average relative humidity in September is 80%.Rainfall
In Seward, Pennsylvania, during September, the rain falls for 16.1 days and regularly aggregates up to 2.24" (57mm) of precipitation. In Seward, during the entire year, the rain falls for 183.9 days and collects up to 33.03" (839mm) of precipitation.Snowfall
June through September are months without snowfall in Seward.Daylight
The average length of the day in September in Seward is 12h and 27min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:47 pm. On the last day of September, sunrise is at 7:12 am and sunset at 6:59 pm EDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 3 in September leads to these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
What is the usual temperature for Seward in September?
What is the average humidity in September in Seward?
How many days does it rain in September in Seward?
When it does not snow in Seward?
Does it snow in Seward in September?
What is the average length of the day in September in Seward?
What time are sunrise and sunset in September in Seward?
How many hours of sunshine does Seward have in September?
What is the UV index intensity in September in Seward?
Average temperature in September
Seward, PA
- Average high temperature in September: 72°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Seward, PA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Seward, PA
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Seward, PA
- Average humidity in September: 80%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is July (78%).
Average rainfall in September
Seward, PA
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is November (1.89").
Average rainfall days in September
Seward, PA
- Average rainfall days in September: 16.1 days
The month with the highest number of rainy days is May (21.4 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in September
Seward, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (7.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Seward, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Seward, 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 18min).
- Average sunshine in September: 8h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
Seward, PA
- Average sunshine days in September: 11.1 days
The month with the most sunshine days is November (13.2 days).
The month with the least sunshine days is February (7.4 days).
Average UV index in September
Seward, 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
Seward, PA
- Average cloud cover in September: 44
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Seward, PA
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Seward, Pennsylvania, USA
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