Niamey Weather in September 2026: what to expect (5.1/10)

The month in detail

What to expect in September

Autumn marks the end of peak season in Niamey. Temperatures drop (34.0°F) and rain returns (23.0% of days). Rain risk remains low (23.0% of days), leaving good room for outdoor activities.

September ranks 8 out of 12 months in Niamey. Compared to August: +4°F daytime, 30 pts fewer rainy days, +1.0h of sun per day.

This month's conditions

What it's like in September

Feels like

very humid

22°

Daylight

12.1h of daylight

Compare

Is September the right month?

The best month in Niamey is January (8.8/10), 3.7 pts higher than September.

See January →See all 12 months →

Context

Our verdict

Niamey, capital of Niger on the Niger river : 1.3 million inhabitants. Poorest Sahelian country in the world according to UN HDI human ranking, extreme arid climate (75% of the territory in the Sahara ), former French colony (1922-1960), among the least touristic countries in the world (1500 visitors/year approximately).

Read Gilles' full review →

Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

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Stay

Hotels & rentals · Niamey

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Activities

Tours, tickets, experiences

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Flights

Multi-airline comparator

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🎟️ Activities & tours · Niamey

GetYourGuide selection · free cancellation

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Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a tropical stay.

Country · Niger

🗣️LanguageFrench

💶CurrencyWest African CFA Franc (FCFA)

🚗DrivingRight-hand

🛡️SafetyAt risk · 4/5

💰Cost of living ⓘCheap · 2/5

🌡️ Climate

🌍Climate typeTropical

📈Climate trend ⓘ+2.08°F/decade

🔥Hottest monthApril · 106°F

❄️Coolest monthJanuary · 90°F

🌧️Rainiest month ⓘAugust · 53%

🏝️ Tropical stay

🌞Dry season ⓘMay → Sep

🌧️Wet season ⓘDec → Mar

🌀Cyclones ⓘSeason Nov-Apr

Explore

Other destinations in September

If September doesn't convince you for this destination, compare with others.

Similar climate

Nearby

OuagadougouBurkina Faso414 km

AbujaNigeria758 km

LagosNigeria789 km

CotonouBenin794 km

Other top picks

Cape VerdeCape Verde5.3

SalCape Verde5.6

Marsa AlamEgypt5.8

Sharm el-SheikhEgypt5.8

HurghadaEgypt5.9

← August October →

🗺️ See all 754 destinations on the map

Location

Where is Niamey ?

Global position + regional geographic context.

🌍 World

🔍 Geographic context

Niger

Tropical climate with a 8.8 → 4.8 gap between best and worst month. 10 years of ERA5 data to choose by project.

13.51°N · 2.12°E

Questions

Frequently asked questions

What is the best time to visit Niamey?

January is the best month with 90°F highs, 61°F lows, 9.2h of sunshine and 0.0% rainy days. The months of January & December offer comparable conditions.

How many hours of sunshine does Niamey get in January?

Niamey averages 9.2 sunshine hours per day in January. It is the sunniest month with a climate score of 8.4/10.

What is the rainiest month in Niamey?

July is the most unfavourable month with July has the lowest climate score of the year and the lowest climate score of the year.

What are the temperatures at night in Niamey in January?

In January, overnight lows reach 61°F, while afternoon highs average 90°F.

Is Niamey good in winter?

In winter (December-February), Niamey scores 7.2/10 on average — Acceptable conditions for cultural visits.. The best month overall remains January with a score of 8.4/10.

When should you avoid Niamey?

July is the most difficult month to visit Niamey, with July has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.