Otepää weather in September

In September, Otepää sees average daytime highs of 16°C and overnight lows near 8°C, with 55 mm of rain across 10.8 wet days and about 12.5 hours of daylight. It is the 5th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 18°C in the first days to 13°C by the end. The sky is clear or mostly clear about 15% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 48 min at the start of September to 11 h 18 min by month's end. Set against the rest of the year, September is Otepää's 6th-clearest and 7th-windiest month. For the whole year in context, see Otepää's year-round climate.

Daytime high
16°
5th warmest
Overnight low
9th coldest
Rainfall
55 mm
10.8 wet days
Daylight
12 h 30 min
5:53 AM – 6:23 PM
Cloud cover
70%
6th clearest
Wind
13 km/h
7th windiest
Solar energy
2.52 kWh/m²
Travel score
4.5
out of 10

Otepää is town in Estonia.

Density
348/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 18°C in the first days to 13°C by the end.

A typical September day in Otepää reaches about 16°C in the afternoon and slips back to 8°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 20°C. Set against its neighbours, September runs about 5°C cooler than August and about 7°C warmer than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11810
21810
31810
41810
5189
6189
7179
8179
9179
10179
11179
12168
13168
14168
15168
16168
17158
18158
19157
20157
21157
22147
23147
24147
25147
26146
27136
28136
29136
30136

How September really feels in Otepää

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Otepää weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-3° / -7°4511.3106.90.0
Feb-2° / -8°409.58.68.90.0
Mar / -4°4010.1711.40.0
Apr10° / 42102142.3
May16° / 6010.90.216.44.9
Jun20° / 11°8813.3017.75.6
Jul22° / 13°7613017.26.1
Aug21° / 12°8313.1015.15.9
Sep16° / 5510.8012.54.5
Oct / 6612.31.19.91.6
Nov / -1°5511.44.97.60.0
Dec-1° / -4°4711.68.76.30.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 69%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13169
23169
33169
43169
53169
63169
73169
83169
93169
103268
113268
123268
133367
143367
153367
163367
173367
183367
193367
203367
213268
223169
233169
243169
253169
263070
273070
282971
292971
302773

Chance of precipitation in September

Any precipitation

Otepää gets around 55 mm of rain over 10.8 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 37% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
140
240
339
439
539
639
739
839
938
1038
1138
1238
1337
1437
1537
1636
1736
1835
1935
2034
2134
2234
2334
2434
2535
2635
2735
2836
2936
3037

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the dry band about 91% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
179192
280182
382171
483161
583161
684151
785141
886131
987121
1088111
1188111
1289101
139091
149280
159370
169370
179460
189550
199640
209640
219730
229730
239730
249820
259820
269820
279820
289820
299820
309820

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 48 min at the start of September to 11 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 150 minutes over September. Sunrise moves from 5:20 AM to 6:25 AM, and sunset from 7:07 PM to 5:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:207:07
213.75:237:04
313.65:257:01
413.55:276:58
513.45:296:56
613.45:316:53
713.35:346:50
813.25:366:47
913.15:386:44
1013.05:406:41
1112.95:426:38
1212.85:456:35
1312.85:476:32
1412.75:496:29
1512.65:516:26
1612.55:536:23
1712.45:566:20
1812.35:586:17
1912.26:006:14
2012.26:026:11
2112.16:056:08
2212.06:076:05
2311.96:096:03
2411.86:116:00
2511.76:135:57
2611.66:165:54
2711.56:185:51
2811.56:205:48
2911.46:225:45
3011.36:255:42

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.52 kWh/m².

For context, solar energy here swings from a low near 0.23 kWh/m² to a high of 5.44 kWh/m² in June across the year — September's 2.52 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.2Moderate
23.2Moderate
33.1Moderate
43.1Moderate
53.0Moderate
63.0Moderate
72.9Moderate
82.9Moderate
92.8Moderate
102.8Moderate
112.7Moderate
122.7Moderate
132.6Moderate
142.6Moderate
152.5Moderate
162.5Moderate
172.5Moderate
182.4Moderate
192.4Moderate
202.3Moderate
212.3Moderate
222.2Moderate
232.2Moderate
242.1Moderate
252.1Moderate
262.0Moderate
272.0Dim
281.9Dim
291.9Dim
301.8Dim
Planning a trip in September

Is September a good time to visit Otepää?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.5
Sightseeing
5th-best month of the year
0.7
Beach & pool
5th-best month of the year

September is a reasonable time to visit Otepää for sightseeing.

What to pack for Otepää in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Otepää sees daytime highs around 16°C and nights near 8°C. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

UV index in Otepää in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Otepää peaks around June 21 at about 6 (high) — a little sun protection helps at midday. It bottoms out near December 17 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 5 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 21UV 6Dec 17UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May4Moderate
Jun6High
Jul5High
Aug5Moderate
Sep3Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Otepää?

Otepää sits at 58.1°N, 26.5°E, 0 m above sea level, in Estonia. The nearest listed city is Tartu, 38 km away.

TartuValgaViljandiValmieraPskovPärnu

Topography around Otepää

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Otepää.

Within 3 km, the terrain around Otepää has only modest variations in elevation — a maximum elevation change of 108 m around an average of 135 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 176 m; within 80 km, significant variations in elevation — a maximum elevation change of 309 m.

The land around Otepää is covered by trees (55%) and grassland (31%) within 3 km, trees (63%) and grassland (21%) within 16 km, and trees (60%) within 80 km.

3 km
108 m
16 km
176 m
80 km
309 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Tartu 38 km · Valga 41 km · Viljandi 63 km · Valmiera 86 km · Cēsis 110 km · Pskov 112 km · Pärnu 123 km · Madona 135 km

Estonia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 66% of US
price level, 2025
GDP per capita
$34,418
2025
Happiness
6.4 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
1.5
per 100k, 2023
Road deaths
4.5
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 561
Religion
none 58%Orthodox 17%Protestant 9%other 3%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Otepää (58.0583°, 26.4967°, elevation 0 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).