Baunatal weather in September

In September, Baunatal sees average daytime highs of 18°C and overnight lows near 9°C, with 58 mm of rain across 10.5 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 19°C in the first days to 16°C by the end. The sky is clear or mostly clear about 19% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 24 min at the start of September to 11 h 24 min by month's end. Set against the rest of the year, September is Baunatal's 4th-clearest and 8th-windiest month. For the whole year in context, see Baunatal's year-round climate.

Daytime high
18°
4th warmest
Overnight low
9th coldest
Rainfall
58 mm
10.5 wet days
Daylight
12 h 24 min
6:05 AM – 6:28 PM
Cloud cover
67%
4th clearest
Wind
11 km/h
8th windiest
Solar energy
2.99 kWh/m²
Travel score
5.4
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 19°C in the first days to 16°C by the end.

A typical September day in Baunatal reaches about 18°C in the afternoon and slips back to 9°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 23°C. Set against its neighbours, September runs about 4°C cooler than August and about 5°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12011
22011
31911
41911
51911
61910
71910
81910
91910
101810
111810
121810
131810
141810
15189
16189
17179
18179
19179
20179
21179
22179
23179
24168
25168
26168
27168
28168
29158
30158

How September really feels in Baunatal

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.

Baunatal weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°5812.54.78.20.0
Feb / -1°4610.459.60.0
Mar / 5512.52.611.51.3
Apr13° / 5011.20.413.53.4
May17° / 6812015.35.0
Jun20° / 11°7012.8016.35.7
Jul22° / 13°7813.6015.96.1
Aug22° / 13°7211.7014.46.3
Sep18° / 5810.5012.45.4
Oct12° / 5911.40.110.43.1
Nov / 5611.91.98.70.8
Dec / -0°6013.14.77.70.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 68%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13169
23367
33268
43268
53367
63466
73367
83367
93367
103466
113367
123367
133367
143367
153367
163367
173367
183367
193367
203367
213268
223268
233268
243169
253169
263268
273070
283070
292971
302872

Chance of precipitation in September

Any precipitation

Baunatal gets around 58 mm of rain over 10.5 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 36% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
136
236
336
436
536
636
737
837
937
1037
1136
1236
1336
1436
1535
1635
1735
1835
1935
2035
2135
2235
2335
2436
2536
2637
2738
2839
2940
3040

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 87% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
175205
275205
377194
478193
579183
680182
781172
881172
983161
1083161
1184151
1285141
1385141
1486131
1588120
1689110
1790100
189190
199280
209280
219370
229370
239460
249460
259460
269550
279550
289550
299550
309550

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 24 min at the start of September to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 120 minutes over September. Sunrise moves from 5:41 AM to 6:28 AM, and sunset from 7:03 PM to 5:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:417:03
213.35:427:01
313.25:446:59
413.25:466:57
513.15:476:54
613.15:496:52
713.05:506:50
812.95:526:47
912.95:546:45
1012.85:556:42
1112.75:576:40
1212.75:596:38
1312.66:006:35
1412.56:026:33
1512.56:046:31
1612.46:056:28
1712.36:076:26
1812.36:086:23
1912.26:106:21
2012.16:126:19
2112.16:136:16
2212.06:156:14
2311.96:176:12
2411.86:186:09
2511.86:206:07
2611.76:226:04
2711.66:236:02
2811.66:256:00
2911.56:275:57
3011.46:285:55

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.99 kWh/m².

For context, solar energy here swings from a low near 0.58 kWh/m² to a high of 5.29 kWh/m² in June across the year — September's 2.99 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.6Moderate
23.5Moderate
33.5Moderate
43.5Moderate
53.4Moderate
63.4Moderate
73.3Moderate
83.3Moderate
93.3Moderate
103.2Moderate
113.2Moderate
123.1Moderate
133.1Moderate
143.1Moderate
153.0Moderate
163.0Moderate
173.0Moderate
182.9Moderate
192.9Moderate
202.8Moderate
212.8Moderate
222.7Moderate
232.6Moderate
242.6Moderate
252.5Moderate
262.5Moderate
272.4Moderate
282.4Moderate
292.3Moderate
302.3Moderate
Planning a trip in September

Is September a good time to visit Baunatal?

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

5.4
Sightseeing
4th-best month of the year
1.6
Beach & pool
4th-best month of the year

September is a reasonable time to visit Baunatal for sightseeing.

What to pack for Baunatal in September

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

In September, Baunatal sees daytime highs around 18°C and nights near 9°C. Worth packing: rain gear. About 11 days see rain.

rain gear

UV index in Baunatal in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Baunatal peaks around July 12 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 12UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Baunatal in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Baunatal is worst in April — around 15 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (November, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1315 µg/m³Nov 219 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar15Moderate
Apr15Moderate
May14Moderate
Jun15Moderate
Jul12Moderate
Aug13Moderate
Sep12Moderate
Oct10Good
Nov9Good
Dec9Good
Location & terrain

Where is Baunatal?

Baunatal sits at 51.3°N, 9.4°E, 216 m above sea level, in Germany. The nearest listed city is Kassel, 10 km away.

Topography around Baunatal

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

Within 3 km, the terrain around Baunatal has significant variations in elevation — a maximum elevation change of 260 m around an average of 239 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 509 m; within 80 km, large variations in elevation — a maximum elevation change of 786 m.

The land around Baunatal is covered by cropland (31%), trees (29%) and artificial surfaces (25%) within 3 km, trees (41%) and cropland (33%) within 16 km, and trees (49%) and cropland (30%) within 80 km.

3 km
260 m
16 km
509 m
80 km
786 m
treesgrasslandcroplandartificial surfaces
September weather nearby: Kassel 10 km · Vellmar 13 km · Bad Wildungen 25 km · Hannoversch Münden 25 km · Hofgeismar 27 km · Bad Arolsen 31 km · Warburg 32 km · Witzenhausen 33 km

Germany travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 80% of US
price level, 2025
GDP per capita
$60,496
2025
Happiness
6.9 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.9
per 100k, 2023
Road deaths
3.8
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 615
Religion
none 44%Roman Catholic 25%Protestant 23%other 5%

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 Baunatal (51.2518°, 9.4075°, elevation 216 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).