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 arrival of September corresponds with a light shift in temperature, down from a pleasant 22°C (71.6°F) in August to a refreshing 18°C (64.4°F). Langley's temperature tends to fall to an average low of 8.7°C (47.7°F) during the nights of September.Humidity
The average relative humidity in September is 80%.Rainfall
In September, in Langley, the rain falls for 11.6 days. Throughout September, 65mm (2.56") of precipitation is accumulated. In Langley, Canada, during the entire year, the rain falls for 184.4 days and collects up to 1508mm (59.37") of precipitation.Snowfall
In Langley, Canada, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 6:28 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:09 am and sunset at 6:50 pm PDT.
Sunshine
In Langley, the average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Heed the precautions - Suggestions to avoid sunburn are made. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Frequently asked questions
What are September temperatures in Langley?
What is the average humidity in September in Langley?
How many days does it rain in September in Langley?
When it does not snow in Langley?
What is the average length of the day in September in Langley?
What time are sunrise and sunset in September in Langley?
How many hours of sunshine does Langley have in September?
What is the UV index intensity in September in Langley?
Average temperature in September
Langley, Canada
- Average high temperature in September: 18°C
The warmest month (with the highest average high temperature) is August (22°C).
The month with the lowest average high temperature is December (3.2°C).
- Average low temperature in September: 8.7°C
The month with the highest average low temperature is August (11°C).
The coldest month (with the lowest average low temperature) is December (-0.9°C).
Average pressure in September
Langley, Canada
- Average pressure in September: 1016.1mbar
The month with the highest atmospheric pressure is January (1018.6mbar).
The month with the lowest atmospheric pressure is March (1015.8mbar).
Average wind speed in September
Langley, Canada
- Average wind speed in September: 5.5km/h
The windiest months (with the highest average wind speed) are February and March (7.6km/h).
The calmest month (with the lowest average wind speed) is August (5.2km/h).
Average humidity in September
Langley, Canada
- Average humidity in September: 80%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is July (74%).
Average rainfall in September
Langley, Canada
- Average rainfall in September: 65mm
The wettest month (with the highest rainfall) is January (250mm).
The driest month (with the least rainfall) is July (11mm).
Average rainfall days in September
Langley, Canada
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is March (22.1 days).
The month with the least rainy days is July (4.6 days).
Average snowfall in September
Langley, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is February (114mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Langley, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Langley, Canada
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 8h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The months with the least sunshine are January and December (Average sunshine: 3h and 36min).
Average sunshine days in September
Langley, Canada
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is July (26 days).
The month with the least sunshine days is March (7.1 days).
Average UV index in September
Langley, Canada
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Langley, Canada
- Average cloud cover in September: 40
The months with the most cloud cover are January, March and December (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in September
Langley, Canada
- Average visibility in September: 8km
The months with the highest visibility are July and August (9km).
The months with the lowest visibility are January, February, November and December (7km).
Langley, Canada
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