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 onset of September entails a subtle temperature shift, as the average high-temperature eases from a warm 80.6°F (27°C) in August to a still moderately hot 74.5°F (23.6°C). Narvon in September experiences a low-temperature average of 56.3°F (13.5°C).Humidity
In September, the average relative humidity in Narvon is 80%.Rainfall
September is the month with the least rainfall in Narvon, Pennsylvania. Rain falls for 13 days and accumulates 2.28" (58mm) of precipitation.Snowfall
June through September are months without snowfall in Narvon.Daylight
In Narvon, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:35 pm. On the last day of September, in Narvon, Pennsylvania, sunrise is at 6:59 am and sunset at 6:47 pm EDT.
Sunshine
In September, the average sunshine in Narvon is 8.8h.UV index
In Narvon, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, an average UV index of 4 transforms into the following instructions:
Guard yourself - Avoiding sunburn is suggested. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
What are the temperatures in Narvon in September?
What is the average humidity in September in Narvon?
What is the driest month in Narvon?
How many days does it rain in September in Narvon?
When it does not snow in Narvon?
Does it snow in Narvon in September?
How many hours of daylight does Narvon have in September?
What time are sunrise and sunset in September in Narvon?
How many hours of sunshine does Narvon have in September?
What is the UV index reading in September in Narvon?
Average temperature in September
Narvon, PA
- Average high temperature in September: 74.5°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in September
Narvon, 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
Narvon, PA
- Average wind speed in September: 5.6mph
The windiest months (with the highest average wind speed) are January, February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Narvon, PA
- Average humidity in September: 80%
The months with the highest relative humidity are February, May and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Narvon, PA
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is September (2.28").
Average rainfall days in September
Narvon, PA
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (9.5 days).
Average snowfall in September
Narvon, PA
- Average snowfall in September: 0"
The month with the highest snowfall is March (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Narvon, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Narvon, 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 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in September
Narvon, PA
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in September
Narvon, 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
Narvon, PA
- Average cloud cover in September: 38
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 32).
Average visibility in September
Narvon, PA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, July, November and December (6mi).
The months with the lowest visibility are May, August, September and October (5mi).
Narvon, Pennsylvania, USA
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