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 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 start of September brings a subtle rise in the average high-temperature, moving from an agreeable 21.3°C (70.3°F) in August to a warm 25.7°C (78.3°F). Three Rivers registers a significant drop in temperature in September, with average nighttime lows of 11.3°C (52.3°F).Humidity
With an average relative humidity of 32%, September is the least humid month.Rainfall
In September, the rain falls for 3.5 days. Throughout September, 7mm (0.28") of precipitation is accumulated. Throughout the year, there are 106.6 rainfall days, and 364mm (14.33") of precipitation is accumulated.Snowfall
In Three Rivers, snow does not fall in January through July, September through December.Daylight
The average length of the day in September in Three Rivers is 11h and 56min.On the first day of the month, sunrise is at 06:20 and sunset at 17:55. On the last day of September, in Three Rivers, sunrise is at 05:47 and sunset at 18:07 SAST.
Sunshine
In September, the average sunshine in Three Rivers is 9.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
What is the usual temperature for Three Rivers in September?
What is the least humid month in Three Rivers?
What is the average humidity in September in Three Rivers?
How many days does it rain in September in Three Rivers?
When it does not snow in Three Rivers?
Does it snow in Three Rivers in September?
What is the average length of the day in September in Three Rivers?
When are sunrise and sunset in September in Three Rivers?
How long on average sun shines in September in Three Rivers?
How high is the UV index in September in Three Rivers?
Average temperature in September
Three Rivers, South Africa
- Average high temperature in September: 25.7°C
The warmest month (with the highest average high temperature) is January (28°C).
The months with the lowest average high temperature are June and July (17.6°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is December (16.4°C).
The coldest month (with the lowest average low temperature) is July (5.4°C).
Average pressure in September
Three Rivers, South Africa
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is July (1024.8mbar).
The month with the lowest atmospheric pressure is January (1013.3mbar).
Average wind speed in September
Three Rivers, South Africa
- Average wind speed in September: 12.7km/h
The windiest months (with the highest average wind speed) are September, October and November (12.7km/h).
The calmest month (with the lowest average wind speed) is May (8.4km/h).
Average humidity in September
Three Rivers, South Africa
- Average humidity in September: 32%
The month with the highest relative humidity is February (63%).
The month with the lowest relative humidity is September (32%).
Average rainfall in September
Three Rivers, South Africa
- Average rainfall in September: 7mm
The wettest month (with the highest rainfall) is December (83mm).
The driest months (with the least rainfall) are July and August (2mm).
Average rainfall days in September
Three Rivers, South Africa
- Average rainfall days in September: 3.5 days
The month with the highest number of rainy days is January (18.3 days).
The months with the least rainy days are June, July and August (1.8 days).
Average snowfall days in September
Three Rivers, South Africa
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is August (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Three Rivers, South Africa
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 30min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is October (Average sunshine: 11h and 48min).
The month with the least sunshine is August (Average sunshine: 7h and 30min).
Average sunshine days in September
Three Rivers, South Africa
- Average sunshine days in September: 25.6 days
The months with the most sunshine days are July and August (28.9 days).
The month with the least sunshine days is January (9.4 days).
Average UV index in September
Three Rivers, South Africa
- Average UV index in September: 5
The months with the highest UV index are January, October, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in September
Three Rivers, South Africa
- Average cloud cover in September: 9
The month with the most cloud cover is January (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in September
Three Rivers, South Africa
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Three Rivers, South Africa
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