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
September
Weather in September
Temperature
With the onset of September, the average high-temperature subtly recedes from August's refreshing 16.3°C (61.3°F) to a cool 11.9°C (53.4°F). Firvale's temperature drops to an average low of 5.4°C (41.7°F) during the nights of September.Humidity
In September, the average relative humidity in Firvale is 77%.Rainfall
In Firvale, Canada, during September, the rain falls for 17.5 days and regularly aggregates up to 107mm (4.21") of precipitation. Throughout the year, in Firvale, there are 219.8 rainfall days, and 1473mm (57.99") of precipitation is accumulated.Snowfall
May through September are months without snowfall in Firvale.Daylight
In September, the average length of the day in Firvale is 12h and 38min.On the first day of September, sunrise is at 6:37 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:03 pm PDT.
Sunshine
In September, the average sunshine is 8.3h.UV index
In September, the average daily maximum UV index in Firvale is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 2 in September transforms into this advice:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Around midday, solar radiation is most harmful; hence, exposure should be limited. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Firvale?
What is the average humidity in September in Firvale?
How many days does it rain in September in Firvale?
When it does not snow in Firvale?
Does it snow in Firvale in September?
How many hours of daylight does Firvale have in September?
What time are sunrise and sunset in September in Firvale?
How many hours of sunshine does Firvale have in September?
What is the UV index intensity in September in Firvale?
Average temperature in September
Firvale, Canada
- Average high temperature in September: 11.9°C
The warmest months (with the highest average high temperature) are July and August (16.3°C).
The month with the lowest average high temperature is December (-2.7°C).
- Average low temperature in September: 5.4°C
The month with the highest average low temperature is August (8.5°C).
The coldest month (with the lowest average low temperature) is February (-9.1°C).
Average pressure in September
Firvale, Canada
- Average pressure in September: 1015.2mbar
The month with the highest atmospheric pressure is July (1017.2mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).
Average wind speed in September
Firvale, Canada
- Average wind speed in September: 9.3km/h
The windiest month (with the highest average wind speed) is January (12km/h).
The calmest month (with the lowest average wind speed) is May (8.5km/h).
Average humidity in September
Firvale, Canada
- Average humidity in September: 77%
The month with the highest relative humidity is March (93%).
The month with the lowest relative humidity is July (71%).
Average rainfall in September
Firvale, Canada
- Average rainfall in September: 107mm
The wettest month (with the highest rainfall) is November (223mm).
The driest month (with the least rainfall) is May (48mm).
Average rainfall days in September
Firvale, Canada
- Average rainfall days in September: 17.5 days
The month with the highest number of rainy days is November (21.8 days).
The month with the least rainy days is February (14.6 days).
Average snowfall in September
Firvale, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is January (281mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Firvale, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (8.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Firvale, Canada
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Firvale, Canada
- Average sunshine days in September: 10.8 days
The month with the most sunshine days is August (13.5 days).
The month with the least sunshine days is November (6.1 days).
Average UV index in September
Firvale, Canada
- Average UV index in September: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Firvale, Canada
- Average cloud cover in September: 44
The months with the most cloud cover are January and March (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Firvale, Canada
- Average visibility in September: 9km
The months with the highest visibility are June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, April and December (7km).
