Weather in Pietermaritzburg in September

Prime time. September is about as good as Pietermaritzburg gets. Highs average 25.9 °C, lows 11.8 °C, and rain falls on 10 days — nothing in the month is working against you.

September ranks 5 of 12 in Pietermaritzburg: past the worst of the year but short of June, which is the month to book if the dates are open.

Rain on 10 days, 2 of them heavy. Enough to need a plan B, not enough to need a plan around it. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.

What the averages hide

Averages flatten a month, and this one hides a few things: 8 days top 30 °C — hot spells arrive, but they break. Across the twenty years measured, the hottest September day reached 39 °C and the coldest night fell to 4.5 °C, and the wettest single day dropped 112 mm — roughly 156% of the month's rain in one day.

This is the volatile part. September rainfall has ranged from 16 mm to 292 mm across the twenty years measured — a 276 mm spread around an average of 72 mm. The average is real but almost no individual September looks like it, so treat the figure as the middle of a wide range rather than a forecast.

Wind is light at 4.2 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 68%.

How September sits in the year

Temperatures hold steady either side: 23.8 °C in August, 25.9 here, 26.5 in October. Nothing about the timing within the month matters much. Rain is the thing that moves: October brings 8 days more of it, so the earlier half of a flexible trip is the safer half.

Daylight in September

11.9 hours of daylight, gaining 0.9 hours across the month. That is between Pietermaritzburg's extremes of 14 and 10.3 hours, so days are long enough not to constrain the plan.

An inland climate

Despite being inland, the year stays fairly even: 19.7 °C between the year's warmest afternoons and coldest nights. Within September itself the daily swing is 14.1 °C, so mornings and afternoons need different clothes.

How busy it gets

Shoulder. The value months — prices ease off and you get the place closer to itself. September is the value pick for Pietermaritzburg: it scores within 14 points of June without carrying June's prices.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

September in Pietermaritzburg versus nearby

If Pietermaritzburg is one option among several, the nearby comparison is worth making. Durban is close enough to be a coin toss — 4.4 °C cooler, 1 day less rain. Johannesburg is a better bet in September — within a degree on temperature, 8 days less rain.

So: September works, with June the better month by 14 points if the dates can move. If they cannot, nothing here should stop you booking.

Every month in Pietermaritzburg

See all twelve months in Pietermaritzburg, or where else to go in September.