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
A mild shift in the average high-temperature occurs in September, reducing from a warm 78.8°F (26°C) in August to a pleasant 72.3°F (22.4°C). The mean low-temperature during September nights in Gilbert, Pennsylvania, is a fresh 53.1°F (11.7°C).Humidity
In September, the average relative humidity is 80%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.4 days and typically collects 1.46" (37mm) of precipitation.Snowfall
In Gilbert, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 27min.On the first day of September, sunrise is at 6:29 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:44 pm EDT.
Sunshine
In Gilbert, the average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index in Gilbert, Pennsylvania, is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 4 in September transforms into this advice:
Take necessary precautions - Defending against sun damage is advocated. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Frequently asked questions
What are September temperatures in Gilbert?
What is the average humidity in September in Gilbert?
What is the driest month in Gilbert?
How much does it rain in Gilbert in September?
When it does not snow in Gilbert?
Does it snow in Gilbert in September?
How many hours of daylight does Gilbert have in September?
What time are sunrise and sunset in September in Gilbert?
How many hours of sunshine does Gilbert have in September?
What is the UV index intensity in September in Gilbert?
Average temperature in September
Gilbert, PA
- Average high temperature in September: 72.3°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in September: 53.1°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Gilbert, PA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Gilbert, PA
- Average wind speed in September: 5.8mph
The windiest months (with the highest average wind speed) are January, February and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Gilbert, PA
- Average humidity in September: 80%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in September
Gilbert, PA
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is July (2.83").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in September
Gilbert, PA
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Gilbert, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Gilbert, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Gilbert, PA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in September
Gilbert, PA
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in September
Gilbert, PA
- Average UV index in September: 4
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
Gilbert, PA
- Average cloud cover in September: 44
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in September
Gilbert, PA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Gilbert, Pennsylvania, USA
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