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 comes with a mild decrease in the average high-temperature, moving subtly from 82.4°F (28°C) in August to a still warm 76.6°F (24.8°C). Westfield temperatures generally rest at a low of 55.4°F (13°C) during the September nights.Humidity
In Westfield, the average relative humidity in September is 78%.Rainfall
The month with the least rainfall in Westfield is September, when the rain falls for 13.2 days and typically collects 1.93" (49mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Westfield, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:51 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:17 am and sunset at 7:05 pm EDT.
Sunshine
In Westfield, the average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September in Westfield is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 4 during September translates into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Frequently asked questions
What are September temperatures in Westfield?
What is the average humidity in September in Westfield?
What is the driest month in Westfield?
How much does it rain in Westfield in September?
When it does not snow in Westfield?
Does it snow in Westfield in September?
How many hours of daylight does Westfield have in September?
When are sunrise and sunset in September in Westfield?
How many hours of sunshine does Westfield have in September?
What is the UV index intensity in September in Westfield?
Average temperature in September
Westfield, WV
- Average high temperature in September: 76.6°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in September: 55.4°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in September
Westfield, WV
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Westfield, WV
- Average wind speed in September: 4.3mph
The windiest months (with the highest average wind speed) are January and February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in September
Westfield, WV
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Westfield, WV
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in September
Westfield, WV
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is November (11.4 days).
Average snowfall in September
Westfield, WV
- Average snowfall in September: 0"
The month with the highest snowfall is January (8.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Westfield, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Westfield, WV
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Westfield, WV
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is October (14.1 days).
The months with the least sunshine days are January and February (7.6 days).
Average UV index in September
Westfield, WV
- Average UV index in September: 4
The months with the highest UV index are May, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Westfield, WV
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Westfield, WV
- Average visibility in September: 5mi
The month with the highest visibility is November (6mi).
The months with the lowest visibility are January and February (4mi).
Westfield, West Virginia, USA
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