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
September's arrival signals a moderate reduction in the average high-temperature, easing from 83.3°F (28.5°C) in August to a still warm 76.1°F (24.5°C). During the nights in September, an average low-temperature of 59.2°F (15.1°C) is observed.Humidity
In Warminster, the average relative humidity in September is 76%.Rainfall
The month with the least rainfall in Warminster is September, when the rain falls for 6.7 days and typically collects 0.2" (5mm) of precipitation.Snowfall
In Warminster, snow does not fall in June through October.Daylight
The average length of the day in September in Warminster, Pennsylvania, is 12h and 27min.On the first day of the month, sunrise is at 6:28 am and sunset at 7:31 pm. On the last day of September, in Warminster, sunrise is at 6:56 am and sunset at 6:43 pm EDT.
Sunshine
The average sunshine in September in Warminster is 8.9h.UV index
The average daily maximum UV index in September in Warminster is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 4 in September transforms into the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. Minimize direct exposure to the Sun during midday when its radiation is at its peak. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Frequently asked questions
What are September temperatures in Warminster?
What is the average humidity in September in Warminster?
What is the driest month in Warminster?
How much does it rain in Warminster in September?
When it does not snow in Warminster?
How many hours of daylight does Warminster have in September?
When are sunrise and sunset in September in Warminster?
How long on average sun shines in September in Warminster?
How high is the UV index in September in Warminster?
Average temperature in September
Warminster, PA
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in September: 59.2°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in September
Warminster, 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
Warminster, PA
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Warminster, PA
- Average humidity in September: 76%
The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April, July and August (72%).
Average rainfall in September
Warminster, PA
- Average rainfall in September: 0.2"
The wettest month (with the highest rainfall) is December (0.75").
The driest month (with the least rainfall) is September (0.2").
Average rainfall days in September
Warminster, PA
- Average rainfall days in September: 6.7 days
The month with the highest number of rainy days is July (10.3 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in September
Warminster, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.43").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Warminster, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Warminster, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Warminster, PA
- Average sunshine days in September: 21.2 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is July (17.4 days).
Average UV index in September
Warminster, PA
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (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
Warminster, PA
- Average cloud cover in September: 38
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Warminster, 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).
Warminster, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location
