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
A subtle decrease in the average high-temperature marks September, falling from August's moderately hot 25.4°C (77.7°F) to a refreshing 19.4°C (66.9°F). In Hartney, an average temperature of 8.6°C (47.5°F) is noted during September nights.Humidity
May, August and September, with an average relative humidity of 62%, are the least humid months in Hartney, Canada.Rainfall
In Hartney, in September, it is raining for 6.7 days, with typically 27mm (1.06") of accumulated precipitation. Throughout the year, in Hartney, there are 78.2 rainfall days, and 277mm (10.91") of precipitation is accumulated.Snowfall
Months with snowfall in Hartney, Canada, are January through May, September through December. September is the first month it typically snows in Hartney. Throughout September, in the average 0.1 snowfall days, it receives 5mm (0.2") of snow. In Hartney, during the entire year, snow falls for 76.6 days and aggregates up to 544mm (21.42") of snow.Daylight
In September, the average length of the day in Hartney is 12h and 35min.On the first day of September, sunrise is at 6:59 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 7:21 pm CDT.
Sunshine
The average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 3 in September transforms into the following instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Hartney?
What is the least humid month in Hartney?
What is the average humidity in September in Hartney?
How many days does it rain in September in Hartney?
When does it start snowing in Hartney?
What is the average length of the day in September in Hartney?
When are sunrise and sunset in September in Hartney?
How long on average sun shines in September in Hartney?
What is the UV index intensity in September in Hartney?
Average temperature in September
Hartney, Canada
- Average high temperature in September: 19.4°C
The warmest month (with the highest average high temperature) is August (25.4°C).
The month with the lowest average high temperature is January (-10.8°C).
- Average low temperature in September: 8.6°C
The month with the highest average low temperature is July (13.8°C).
The coldest month (with the lowest average low temperature) is January (-18.4°C).
Average pressure in September
Hartney, Canada
- Average pressure in September: 1013.9mbar
The month with the highest atmospheric pressure is February (1021.6mbar).
The month with the lowest atmospheric pressure is June (1010.6mbar).
Average wind speed in September
Hartney, Canada
- Average wind speed in September: 14.3km/h
The windiest month (with the highest average wind speed) is October (16km/h).
The calmest month (with the lowest average wind speed) is August (12.9km/h).
Average humidity in September
Hartney, Canada
- Average humidity in September: 62%
The months with the highest relative humidity are January, February and December (91%).
The months with the lowest relative humidity are May, August and September (62%).
Average rainfall in September
Hartney, Canada
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is June (46mm).
The driest month (with the least rainfall) is February (11mm).
Average rainfall days in September
Hartney, Canada
- Average rainfall days in September: 6.7 days
The month with the highest number of rainy days is June (12.3 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in September
Hartney, Canada
- Average snowfall in September: 5mm
The month with the highest snowfall is November (110mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Hartney, Canada
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (15.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Hartney, Canada
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Hartney, Canada
- Average sunshine days in September: 22.2 days
The month with the most sunshine days is August (23 days).
The month with the least sunshine days is March (15.2 days).
Average UV index in September
Hartney, Canada
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Hartney, Canada
- Average cloud cover in September: 30
The month with the most cloud cover is March (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Hartney, Canada
- Average visibility in September: 10km
The months with the highest visibility are May, August and September (10km).
The months with the lowest visibility are January, February, March and December (8km).
