Niamey in September
In September, Niamey averages 34°C (94°F) during the day and 25°C (77°F) at night, with around 13 days of rain (35 mm total).
Off-peakConditions are very hot — early-morning and evening sightseeing recommended. Plan for unsettled weather and bring rain gear.
September in Niamey is outside the typical sweet spot for sightseeing weather. It can still be a great time to visit if you have specific reasons (festivals, off-season pricing, etc.).
How September compares to the rest of the year in Niamey
September is in the middle of the year for warmth in Niamey (9th of 12) and moderately rainy compared to the rest of the year (4th of 12). Daytime temperature runs 2°C below the annual average (36°C). September runs 2°C warmer than August (32°C) and warms a further 3°C into October (37°C).
September sunrise & sunset in Niamey
Times shown for Niamey local time (Africa/Niamey), calculated for the 15th of September. They shift by a few minutes day to day across the month.
Photography light in Niamey — September
Golden-hour and blue-hour windows for the 15th of September, in Niamey's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Niamey in September
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (Off-peak) and Niamey's popularity.
Crowds & pricing — September in Niamey
This is off-peak for Niamey — the lowest prices of the year and the fewest crowds, but with real trade-offs: some restaurants, hotels, and beach businesses may close for the season; weather conditions can make outdoor activities unpredictable; and a handful of seasonal sights run reduced hours or close entirely. Great if you prefer a quiet local rhythm and don't mind the climate giving you reasons to choose indoor activities.
Why this tier: challenging tourism weather
Sun & mosquito risk — September in Niamey
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Niamey in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 32°C / 90°F | 17°C / 62°F | 0 mm | 0 | — |
| February | 35°C / 95°F | 19°C / 66°F | 0 mm | 1 | — |
| March | 39°C / 102°F | 23°C / 73°F | 1 mm | 1 | — |
| April | 41°C / 105°F | 26°C / 79°F | 1 mm | 1 | — |
| May | 40°C / 105°F | 29°C / 83°F | 7 mm | 5 | — |
| June | 38°C / 100°F | 28°C / 82°F | 31 mm | 13 | — |
| July | 34°C / 94°F | 26°C / 78°F | 69 mm | 20 | — |
| August | 32°C / 89°F | 24°C / 76°F | 156 mm | 23 | — |
| September | 34°C / 94°F | 25°C / 77°F | 35 mm | 13 | — |
| October | 37°C / 99°F | 24°C / 76°F | 5 mm | 3 | — |
| November | 37°C / 98°F | 20°C / 68°F | 0 mm | 0 | — |
| December | 33°C / 91°F | 17°C / 63°F | 0 mm | 0 | — |
Other cities with similar September weather
🌍 See the full ranked list of climate twins for Niamey in September →
Frequently asked questions
How hot is Niamey in September?
In September, Niamey averages a high of 34°C (94°F) and a low of 25°C (77°F) — generally hot.
Does it rain a lot in Niamey in September?
September can be fairly wet in Niamey, with about 13 rainy days on average.
Is September a good time to visit Niamey?
September is hot. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Niamey in September?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full September packing list for Niamey for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.