September weather forecastTlell, Canada
September
Weather in September
September, the first month of the autumn in Tlell, is still a mild month, with an average temperature varying between 14.5°C (58.1°F) and 10.6°C (51.1°F).Temperature
The arrival of September sees a recorded average high-temperature of a mild 14.5°C (58.1°F), showing little divergence from the previous month's conditions. Night temperatures during September experience a slight downturn, averaging a cool 10.6°C (51.1°F).Humidity
The average relative humidity in September is 85%.Rainfall
In Tlell, in September, it is raining for 16.1 days, with typically 56mm (2.2") of accumulated precipitation. Throughout the year, there are 211.6 rainfall days, and 916mm (36.06") of precipitation is accumulated.Snowfall
In Tlell, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 40min.On the first day of September, sunrise is at 6:58 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 7:25 pm PDT.
Sunshine
In September, the average sunshine is 6.2h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In September, a regular UV index of 3 translates into these guidelines:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. It's recommended to limit sun exposure when its radiation is at its peak during midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tlell, Canada
- Average high temperature in September: 14.5°C
The warmest month (with the highest average high temperature) is August (16.4°C).
The month with the lowest average high temperature is February (5.3°C).
- Average low temperature in September: 10.6°C
The month with the highest average low temperature is August (12.2°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).
Average pressure in September
Tlell, Canada
- Average pressure in September: 1013.6mbar
The month with the highest atmospheric pressure is July (1018.5mbar).
The month with the lowest atmospheric pressure is November (1008.8mbar).
Average wind speed in September
Tlell, Canada
- Average wind speed in September: 13.5km/h
The windiest month (with the highest average wind speed) is January (19.7km/h).
The calmest month (with the lowest average wind speed) is July (11.6km/h).
Average humidity in September
Tlell, Canada
- Average humidity in September: 85%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are February and March (81%).
Average rainfall in September
Tlell, Canada
- Average rainfall in September: 56mm
The wettest month (with the highest rainfall) is January (141mm).
The driest month (with the least rainfall) is May (33mm).
Average rainfall days in September
Tlell, Canada
- Average rainfall days in September: 16.1 days
The month with the highest number of rainy days is January (22.8 days).
The month with the least rainy days is May (14.5 days).
Average snowfall in September
Tlell, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is March (53mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Tlell, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (4.8 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
Tlell, Canada
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 6h and 12min
The month with the most sunshine is July (Average sunshine: 7h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Tlell, Canada
- Average sunshine days in September: 11.9 days
The months with the most sunshine days are May and July (13.9 days).
The month with the least sunshine days is January (5 days).
Average UV index in September
Tlell, Canada
- Average UV index in September: 3
The months with the highest UV index are July and August (UV index 4).
The months with the lowest UV index are January, February, March, April, November and December (UV index 2).
Average cloud cover in September
Tlell, Canada
- Average cloud cover in September: 51
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is September (Cloud cover 51).
Average visibility in September
Tlell, Canada
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
