Mwanza Weather in September
Mwanza in September sees high temperatures, with highs around 27°C (81°F) and overnight lows of 21°C (70°F). Rainfall is fairly high at around 114 mm (4.5 in) on average, so pack waterproofs just in case.
Rainfall in Mwanza in September
Historically, approximately 6 days this month are expected to have rain, averaging 114 mm (4.5 in). Rainfall tends to arrive in short, intense showers this month. Rain days are few, but the showers can be surprisingly heavy.
Temperature in Mwanza in September
If you're visiting Mwanza in September, expect highs of 27°C (81°F) and overnight lows around 21°C (70°F). This kind of day-to-night contrast is typical for this time of year. Nights remain mild at 21°C (70°F), making evenings a pleasant time to be outdoors.
Sunshine in Mwanza in September
With approximately 252 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.If your ideal day consists of dry skies and pleasant temperatures, May, June, July and August typically offer the best circumstances for Mwanza.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Tanzania, check out our Mwanza's climate page.
Mwanza Temperature in September
Min Temperature
21°C (70°F)
Max Temperature
27°C (81°F)
Chance of Rain
20%
Precipitation
114 mm (4.5 in)
Rainy days
6 days
Humidity
58%
Sunshine
252 hours
Percentage Sunshine
Daily Historical Temperatures
35-year average (1985-2025)
Based on our historical records, temperatures in Mwanza typically stay consistent throughout September, with daily highs averaging around 27°C (81°F). Nights are pleasant, with lows around 20°C (68°F).
Average temperatures in September
Daily Historical Precipitation
35-year average (1985-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Mwanza in September
Browse day-by-day weather records for Mwanza spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mwanza historical weather extremes in September
Based on weather observations in Mwanza between 2003 and 2025, these are the recorded extremes during September.
- The warmest day in September was on September 23, 2024, with a maximum of 32°C (90°F).
- The coldest September day was on September 4, 2004, with a maximum of 20°C (68°F).
- Nighttime temperatures dropped to 13°C (55°F) on September 8, 2009, marking the coldest September night on record.
Best Places in Tanzania in September
Find out more about the weather in Tanzania and which places have the best travel conditions in this month. See all of Tanzania in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Mwanza in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Mwanza in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Tanzania, check out our Mwanza's climate page.
Temperature Rainfall Sunshine Humidity
See the full Mwanza climate overview or explore weather in Tanzania.
