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
September's arrival signals a modest temperature shift, moving from a refreshing 16.2°C (61.2°F) in August to a still comfortable 19.5°C (67.1°F). During September, Calvinia records an average temperature of 8°C (46.4°F) at night.Humidity
The average relative humidity in September in Calvinia, South Africa, is 48%.Rainfall
The month with the least rainfall in Calvinia is September, when the rain falls for 3.7 days and typically collects 4mm (0.16") of precipitation.Snowfall
January through May, September through December are months without snowfall.Daylight
In September, the average length of the day in Calvinia is 11h and 55min.On the first day of September, sunrise is at 06:56 and sunset at 18:24. On the last day of the month, sunrise is at 06:19 and sunset at 18:42 SAST.
Sunshine
In Calvinia, South Africa, the average sunshine in September is 9.2h.UV index
May through September, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Stay sun-safe with clothing that is both closely woven and worn loosely. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What is the average September temperature in Calvinia?
What is the average humidity in September in Calvinia?
What is the driest month in Calvinia?
How much does it rain in Calvinia in September?
When it does not snow in Calvinia?
Does it snow in Calvinia in September?
How many hours of daylight does Calvinia have in September?
What time are sunrise and sunset in September in Calvinia?
How many hours of sunshine does Calvinia have in September?
What is the month with the lowest UV index in Calvinia?
What is the UV index intensity in September in Calvinia?
Average temperature in September
Calvinia, South Africa
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is January (29.7°C).
The months with the lowest average high temperature are June and July (15.1°C).
- Average low temperature in September: 8°C
The month with the highest average low temperature is February (17.7°C).
The coldest month (with the lowest average low temperature) is July (5.7°C).
Average pressure in September
Calvinia, South Africa
- Average pressure in September: 1018.9mbar
The month with the highest atmospheric pressure is July (1023mbar).
The month with the lowest atmospheric pressure is January (1011.6mbar).
Average wind speed in September
Calvinia, South Africa
- Average wind speed in September: 12.6km/h
The windiest month (with the highest average wind speed) is November (14.3km/h).
The calmest month (with the lowest average wind speed) is May (11.5km/h).
Average humidity in September
Calvinia, South Africa
- Average humidity in September: 48%
The month with the highest relative humidity is June (59%).
The month with the lowest relative humidity is November (38%).
Average rainfall in September
Calvinia, South Africa
- Average rainfall in September: 4mm
The wettest month (with the highest rainfall) is June (15mm).
The driest month (with the least rainfall) is September (4mm).
Average rainfall days in September
Calvinia, South Africa
- Average rainfall days in September: 3.7 days
The month with the highest number of rainy days is June (6.4 days).
The month with the least rainy days is November (2.8 days).
Average snowfall in September
Calvinia, South Africa
- Average snowfall in September: 0mm
The month with the highest snowfall is August (3mm).
The months with the least snowfall are January, February, March, April, May, September, October, November and December (0mm).
Average snowfall days in September
Calvinia, South Africa
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is August (0.5 days).
The months with the least snowfall days are January, February, March, April, May, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Calvinia, South Africa
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 14h and 12min).
The month with the shortest days is June (Average daylight: 10h and 6min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is December (Average sunshine: 11h and 54min).
The month with the least sunshine is June (Average sunshine: 6h and 36min).
Average sunshine days in September
Calvinia, South Africa
- Average sunshine days in September: 24.9 days
The month with the most sunshine days is March (26.2 days).
The month with the least sunshine days is February (22.9 days).
Average UV index in September
Calvinia, South Africa
- Average UV index in September: 4
The month with the highest UV index is December (UV index 7).
The months with the lowest UV index are May, June, July, August and September (UV index 4).
Average cloud cover in September
Calvinia, South Africa
- Average cloud cover in September: 19
The month with the most cloud cover is June (Cloud cover 26).
The months with the least cloud cover are January and February (Cloud cover 8).
Average visibility in September
Calvinia, South Africa
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Calvinia, South Africa
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