Devlethan, Turkey — Weather in September 2026

Monthly climate averages for Devlethan, Turkey. Based on 10-year ERA5 reanalysis data.

Csa Hot-Summer Mediterranean
9.7 /10
Excellent

September is an excellent month in Devlethan

Climate Overview

Devlethan, Turkey in September has warm conditions, with highs averaging 26.7°C (80°F). Temperatures drop noticeably between day and night.

This month falls at the beginning of Autumn.

Daily highs in September gradually drop from around 29°C (85°F) at the start to 25°C (76°F) by month's end.

September sees fairly even rainfall, totalling about 19 mm across the month.

Expect around 11.7h of sunshine at the start of September, decreasing to 10.6h by the end.

The warmest days tend to fall around the 1th, averaging 30°C (86°F).

Compared to August, this month is about 5°C cooler with 0 fewer rainy days. Temperatures begin dropping heading into October.

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Monthly September Averages

Temperature
27°C / 14°C
Feels Like
25°C / 12°C
Rain
4 days · 20 mm
Sunshine
11.3h / day
Humidity
48% — Comfortable
Wind
13 km/h
Wind Direction
NNE (20°)
Gusts
35 km/h
Daylight
12.4 h
Cloud Cover
20%
Clear Sky Days
17.7
UV Index
6.5 — High
Dew Point
9°C — Dry
Moon Phase
Waxing Crescent · 11%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

36°C 31°C 26°C 21°C 16°C 11°C 6°C 151015202530
HighLow

Daily Precipitation

0 mm 1 mm 2 mm 3 mm 4 mm 151015202530
Rainfall

Daily Sunshine

0h 3h 6h 9h 12h 151015202530
Sunshine

Daily Wind Speed

0 4 8 12 16 20 151015202530
Wind Speed
Sun Position
Sunrise 06:43
Daylight 12.5h
Sunset 19:11

What to Expect

Daytime temperatures around 27°C (80°F) are ideal for full-day outdoor exploration.

Rain is uncommon in this month, so most days stay dry from morning through evening.

Recent yearly records for September have stayed close to the long-run average.

Compare Months

January
Poor
Temp
6°C / -2°C
Feels Like
2°C / -6°C
Rain
10days (76 mm) Wet
Sun
7h Good
Humidity
79% Humid
UV
2.7 Moderate
Snow Days
10days
View Details
February
Poor
Temp
9°C / -1°C
Feels Like
5°C / -4°C
Rain
7days (41 mm) Good
Sun
8.3h Good
Humidity
73% Muggy
UV
3.9 Moderate
Snow Days
5days
View Details
March
Poor
Temp
12°C / 1°C
Feels Like
9°C / -2°C
Rain
11days (67 mm) Wet
Sun
9.6h Good
Humidity
67% Muggy
UV
5.4 High
Snow Days
6days
View Details
April
Fair
Temp
18°C / 5°C
Feels Like
15°C / 3°C
Rain
9days (51 mm) Wet
Sun
10.9h Excellent
Humidity
59% Moderate
UV
6.7 High
Snow Days
1days
View Details
May
Good
Temp
22°C / 10°C
Feels Like
20°C / 8°C
Rain
13days (74 mm) Wet
Sun
11.9h Excellent
Humidity
58% Moderate
UV
7.1 Very High
View Details
June best
Excellent
Temp
26°C / 14°C
Feels Like
26°C / 13°C
Rain
9days (49 mm) Wet
Sun
13.2h Excellent
Humidity
56% Moderate
UV
8.1 Very High
View Details
July best
Excellent
Temp
31°C / 17°C
Feels Like
31°C / 16°C
Rain
3days (10 mm) Excellent
Sun
13.5h Excellent
Humidity
44% Moderate
UV
8.3 Very High
View Details
August best
Excellent
Temp
31°C / 17°C
Feels Like
31°C / 17°C
Rain
4days (13 mm) Good
Sun
12.3h Excellent
Humidity
44% Moderate
UV
7.7 Very High
View Details
September best
Excellent
Temp
27°C / 14°C
Feels Like
25°C / 12°C
Rain
4days (20 mm) Good
Sun
11.3h Excellent
Humidity
48% Moderate
UV
6.5 High
View Details
October best
Excellent
Temp
20°C / 9°C
Feels Like
18°C / 7°C
Rain
5days (27 mm) Good
Sun
9.7h Good
Humidity
58% Moderate
UV
4.9 Moderate
View Details
November
Fair
Temp
14°C / 4°C
Feels Like
11°C / 1°C
Rain
6days (39 mm) Good
Sun
7.9h Good
Humidity
67% Muggy
UV
3.3 Moderate
Snow Days
2days
View Details
December
Poor
Temp
8°C / 0°C
Feels Like
5°C / -3°C
Rain
9days (61 mm) Wet
Sun
6.6h Fair
Humidity
79% Humid
UV
2.4 Moderate
Snow Days
5days
View Details
Month Temp Feels Like Rain Sun Humidity UV Status
January 6°C / -2°C 2°C / -6°C 10days (76 mm) Wet 7h Good 79% Humid 2.7 Moderate Poor View Details
February 9°C / -1°C 5°C / -4°C 7days (41 mm) Good 8.3h Good 73% Muggy 3.9 Moderate Poor View Details
March 12°C / 1°C 9°C / -2°C 11days (67 mm) Wet 9.6h Good 67% Muggy 5.4 High Poor View Details
April 18°C / 5°C 15°C / 3°C 9days (51 mm) Wet 10.9h Excellent 59% Moderate 6.7 High Fair View Details
May 22°C / 10°C 20°C / 8°C 13days (74 mm) Wet 11.9h Excellent 58% Moderate 7.1 Very High Good View Details
June best 26°C / 14°C 26°C / 13°C 9days (49 mm) Wet 13.2h Excellent 56% Moderate 8.1 Very High Excellent View Details
July best 31°C / 17°C 31°C / 16°C 3days (10 mm) Excellent 13.5h Excellent 44% Moderate 8.3 Very High Excellent View Details
August best 31°C / 17°C 31°C / 17°C 4days (13 mm) Good 12.3h Excellent 44% Moderate 7.7 Very High Excellent View Details
September best 27°C / 14°C 25°C / 12°C 4days (20 mm) Good 11.3h Excellent 48% Moderate 6.5 High Excellent View Details
October best 20°C / 9°C 18°C / 7°C 5days (27 mm) Good 9.7h Good 58% Moderate 4.9 Moderate Excellent View Details
November 14°C / 4°C 11°C / 1°C 6days (39 mm) Good 7.9h Good 67% Muggy 3.3 Moderate Fair View Details
December 8°C / 0°C 5°C / -3°C 9days (61 mm) Wet 6.6h Fair 79% Humid 2.4 Moderate Poor View Details

What to Wear

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces.

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

Packing List

Breathable clothingSunscreen (SPF 30+)Sun hatSunglassesComfortable walking shoes

Frequently Asked Questions

September is typically excellent for visiting Devlethan, with average highs of 27°C (80°F) and around 4 rainy days. Devlethan, Turkey in September has warm conditions, with highs averaging 26.7°C (80°F). Temperatures drop noticeably bet
Devlethan typically sees around 4 rainy days in September with 20 mm (0.8 in) of total rainfall. An umbrella should suffice.
Evenings in Devlethan during September are mild at 14°C (56°F). A light cardigan is usually enough.
With highs of 27°C (80°F) and lows of 14°C (56°F) in September, we recommend: Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses, Comfortable walking shoes. Comfortable walking shoes are essential.
Yes, September offers some of the best weather conditions in Devlethan with comfortable temperatures and lower chances of rain.
The average UV index in Devlethan during September is 7 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.
Devlethan gets approximately 12 hours of daylight per day in September, with around 11 hours of sunshine.
Snow is uncommon in Devlethan during September based on 10-year climate averages.

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