Nungwi weather in September
Tanzania

September in Nungwi: warm, a little rain, with clean air — one of the best months to visit.
#1 of 12 months in Nungwi · #190 of 1383 destinations to visit in September · comfort 91/100 (tier S)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Nungwi in September
No notes yet. Open Nungwi on the map to add the first one.
Nungwi climate normals — September
| Daytime high | 27°C / 81°F | 🌤 warm |
|---|---|---|
| Nighttime low | 24°C / 75°F | |
| Sea temperature | 27°C / 80°F | 😎 warm sea |
| Rainfall | 30 mm / 1.2 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 21°C / 70°F | |
| Sunshine | 11.1 h/day | |
| Daylight | 12.1 h | |
| Wind | 23 km/h / 14 mph | |
| Air quality (US AQI) | 43 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Nungwi in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusySeptember short break in Tanzania, school holidays in 2 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Nungwi's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Best weatherNungwi's best weather comes in February, August and September — separate windows, not one continuous season.
Best weatherFair weatherToughest weather
What's on in Nungwi in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Kusi, the windy season
1 Jun – 30 SepWind seasonThe southeast monsoon turns the point into Zanzibar's steadiest kitesurfing water, with wind reliable most afternoons even as it chops up the swimming shallows at low tide.
Nearby, and something's on
Within 300 km of Nungwi — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Nungwi?
Nungwi in September — FAQ
- Is September a good time to visit Nungwi?
- September in Nungwi: warm, a little rain, with clean air — one of the best months to visit. It ranks #1 of 12 months for Nungwi on SeasonMap's comfort score (91/100).
- What is the weather like in Nungwi in September?
- In September, Nungwi averages a daily high of 27.1°C and a low of 24.1°C, with about 30.3 mm of rain over roughly 9.2 rainy days.
- What is the air quality in Nungwi in September?
- Nungwi has a mean US Air Quality Index of about 43 in September.
Other months in Nungwi
Compare Nungwi in September
Warmer or cooler than Nungwi in September
Similar destinations in East Africa — September
Within 300 km: Zanzibar's Kusi, the cool monsoon around 1 Jun – 30 Sep, and Mombasa's Kusi, the cool monsoon around 15 Jun – 30 Sep.