Diffa, Niger — Weather in September 2026

Climate Overview

Diffa, Niger in September has hot conditions, with highs reaching 34.8°C (95°F) and afternoons the warmest part of the day. Temperatures drop noticeably between day and night.

This month falls at the beginning of Autumn. Temperatures are at their seasonal peak.

Daily highs in September gradually rise from around 33°C (91°F) at the start to 37°C (98°F) by month's end.

Rainfall is heaviest during the first third of the month, while the last third tends to be drier.

Expect around 10.1h of sunshine at the start of September, increasing to 11.1h by the end.

The warmest days tend to fall around the 25th, averaging 36.7°C (98°F).

Compared to August, this month is about 3°C warmer with 11 fewer rainy days.

Monthly September Averages

Temperature

35°C / 25°C

Feels Like

40°C / 28°C

Rain

6 days · 39 mm

Sunshine

10.8h / day

Humidity

65% — Muggy

Wind

13 km/h

Wind Direction

SW (216°)

Gusts

30 km/h

Daylight

12.2 h

Cloud Cover

51%

Clear Sky Days

UV Index

7.3 — Very High

Dew Point

22°C — Muggy

Moon Phase

Waxing Crescent · 11%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

HighLow

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 06:00

Daylight 12.2h

Sunset 18:13

What to Expect

With midday temperatures reaching 35°C (95°F), schedule outdoor activities for early morning or late afternoon. Evenings remain warm enough for comfortable outdoor dining and night markets.

Rain usually comes in shorter passing showers rather than all-day rain.

1 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

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Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January best	30°C / 15°C	26°C / 11°C	0days (0 mm) Excellent	10.6h Excellent	20% Comfortable	6.3 High	Excellent	View Details
February best	32°C / 17°C	29°C / 12°C	0days (0 mm) Excellent	10.8h Excellent	16% Comfortable	7.2 Very High	Excellent	View Details
March	38°C / 22°C	35°C / 18°C	0days (0 mm) Excellent	11.1h Excellent	12% Comfortable	8 Very High	Good	View Details
April	41°C / 25°C	39°C / 21°C	0days (0 mm) Excellent	11.6h Excellent	13% Comfortable	8.3 Very High	Fair	View Details
May	41°C / 27°C	42°C / 26°C	1days (2 mm) Excellent	11.8h Excellent	27% Comfortable	8.3 Very High	Fair	View Details
June	38°C / 27°C	41°C / 29°C	3days (17 mm) Excellent	11.5h Excellent	45% Moderate	8 Very High	Poor	View Details
July	35°C / 26°C	39°C / 29°C	8days (54 mm) Wet	10.8h Excellent	62% Muggy	7.6 Very High	Poor	View Details
August	32°C / 24°C	36°C / 27°C	17days (166 mm) Wet	10h Excellent	76% Humid	7.1 Very High	Poor	View Details
September	35°C / 25°C	40°C / 28°C	6days (39 mm) Good	10.8h Excellent	65% Muggy	7.3 Very High	Poor	View Details
October	37°C / 24°C	37°C / 23°C	1days (5 mm) Excellent	10.8h Excellent	35% Comfortable	7.1 Very High	Good	View Details
November best	34°C / 20°C	32°C / 17°C	0days (0 mm) Excellent	10.5h Excellent	22% Comfortable	6.3 High	Excellent	View Details
December best	31°C / 16°C	27°C / 13°C	0days (0 mm) Excellent	10.3h Excellent	23% Comfortable	5.8 High	Excellent	View Details

What to Wear

Light, breathable fabrics like cotton and linen are essential. Opt for loose-fitting clothing in light colors to stay cool.

Temperatures drop significantly at night, so pack layers you can add or remove throughout the day.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

UmbrellaBreathable clothingSunscreen (SPF 30+)Sun hatSunglassesComfortable walking shoes

Frequently Asked Questions

Expand all

Is September a good time to visit Diffa?

September is typically poor for visiting Diffa, with average highs of 35°C (95°F) and around 6 rainy days. Diffa, Niger in September has hot conditions, with highs reaching 34.8°C (95°F) and afternoons the warmest part of the d

Does it rain a lot in Diffa in September?

Diffa typically sees around 6 rainy days in September with 39 mm (1.5 in) of total rainfall. An umbrella should suffice.

Does it get cold at night in Diffa in September?

Nights stay pleasantly warm in Diffa during September, around 25°C (76°F). Light evening wear is sufficient.

What should I pack for Diffa in September?

With highs of 35°C (95°F) and lows of 25°C (76°F) in September, we recommend: Umbrella, Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses. Comfortable walking shoes are essential.

Is September among the best months weather-wise in Diffa?

September is not the most favourable month weather-wise in Diffa. Consider visiting during months with milder temperatures or less rainfall for a better experience.

What is the UV index in Diffa in September?

The average UV index in Diffa during September is 7 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.

How many hours of daylight are there in Diffa in September?

Diffa gets approximately 12 hours of daylight per day in September, with around 11 hours of sunshine.

Does it snow in Diffa in September?

Snow is uncommon in Diffa during September based on 10-year climate averages.

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