Grahamstown
September
Weather in Grahamstown for September 2026
Your guide to Grahamstown weather in September - trends and predictions
In general, the average temperature in Grahamstown at the beginning of September is 18.6 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 17.9 °C by the end of September.
Grahamstown in September brings notable rainfall, with an average of 17 rainy days and a total precipitation of 44.7 mm.
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Temperatures
Rain 🌧️
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13
Dry days
17
Rainy days
0
Snow days
18°/15°
Temperatures
36 km/h
Avg max wind
74 %
Avg humidity
Grahamstown Weather September
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Temperatures trend during September in Grahamstown
See the weather trend as well as the moving average line
September weather in Grahamstown day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 19° /15° | 1.5 mm | 6 | |
| 2 Sept. | Sunny | 20° /15° | 0 mm | 6 | |
| 3 Sept. |  Partly cloudy | 22° /16° | 0 mm | 7 | |
| 4 Sept. |  Patchy rain possible | 18° /15° | 0.1 mm | 6 | |
| 5 Sept. | Light rain shower | 17° /14° | 2.4 mm | 5 | |
| 6 Sept. | Sunny | 17° /14° | 0.2 mm | 6 | |
| 7 Sept. | Patchy rain possible | 17° /14° | 0.4 mm | 5 | |
| 8 Sept. | Light rain shower | 17° /14° | 5.8 mm | 5 | |
| 9 Sept. | Light rain shower | 18° /15° | 1.5 mm | 5 | |
| 10 Sept. | Sunny | 18° /14° | 0.1 mm | 6 | |
| 11 Sept. | Light rain shower | 18° /16° | 2.1 mm | 5 | |
| 12 Sept. | Light rain shower | 19° /17° | 3.6 mm | 5 | |
| 13 Sept. | Sunny | 18° /16° | 2.7 mm | 6 | |
| 14 Sept. | Patchy rain possible | 18° /15° | 0.3 mm | 6 | |
| 15 Sept. | Patchy rain possible | 19° /15° | 0.1 mm | 5 | |
| 16 Sept. | Patchy rain possible | 17° /14° | 1 mm | 5 | |
| 17 Sept. | Patchy rain possible | 18° /14° | 0.2 mm | 6 | |
| 18 Sept. |  Cloudy | 17° /13° | 0 mm | 5 | |
| 19 Sept. | Light rain shower | 17° /13° | 4.1 mm | 5 | |
| 20 Sept. | Patchy rain possible | 18° /15° | 5 mm | 6 | |
| 21 Sept. | Patchy rain possible | 18° /14° | 1 mm | 5 | |
| 22 Sept. | Patchy rain possible | 19° /15° | 1.2 mm | 5 | |
| 23 Sept. | Sunny | 18° /13° | 0.6 mm | 6 | |
| 24 Sept. | Patchy rain possible | 20° /16° | 0.9 mm | 6 | |
| 25 Sept. |  Overcast | 18° /15° | 0 mm | 6 | |
| 26 Sept. | Light rain shower | 17° /14° | 1.8 mm | 6 | |
| 27 Sept. | Sunny | 18° /14° | 0.1 mm | 6 | |
| 28 Sept. | Patchy rain possible | 18° /15° | 4.3 mm | 5 | |
| 29 Sept. | Light rain shower | 16° /14° | 2.7 mm | 5 | |
| 30 Sept. | Light rain shower | 18° /13° | 1 mm | 6 | |
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Important Notice
Our weather forecast for Grahamstown in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Grahamstown forecast closer to your planned date for the most up-to-date weather information.
Change Month
Grahamstown in September - FAQ
What are the expected maximum and minimum temperatures in Grahamstown during September?
During September, expect a variety of temperatures with highs around 18° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Grahamstown during September?
In September, Grahamstown can expect light to moderate rainfall, totaling 44.7 mm across approximately 17 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Grahamstown during September?
The average wind speed in Grahamstown during September is 36 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Grahamstown
Explore the daily rainfall trends and prepare for Grahamstowns September weather 💧
Typically, Grahamstown has 17 rainy days in September with a total of 44.7 mm of rainfall.
UV exposure in Grahamstown during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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